Cortina Asset Management, LLC
Reported holdings as of Q2 2019, from 3 quarterly filings.
This filer last reported in Q2 2019; the most recent quarter on file across all filers is Q2 2026. Firms that restructure stop filing under one CIK and start under another, so a successor entity may hold these positions now under a similar name.
Holdings
| Security | Ticker | Value | Shares | Weight | Weight change | Held | Change |
|---|---|---|---|---|---|---|---|
| CHART INDS INC | GTLS | $29.6M | 384,897 | -0.24pp | 3q | +5.1%+$1.4M | |
| AVALARA INC | AVLR | $28.9M | 399,665 | +0.39pp | 3q | HELD | |
| ALTAIR ENGR INC | ALTR | $24.5M | 607,365 | +0.11pp | 3q | -0.9%-$226.9K | |
| INTER PARFUMS INC | IPAR | $24.4M | 366,908 | -0.25pp | 3q | -1.0%-$236.0K | |
| OLLIES BARGAIN OUTLET HLDGS | OLLI | $24.1M | 276,102 | flat | 3q | -0.9%-$226.5K | |
| PROPETRO HLDG CORP | PUMP | $23.6M | 1,142,244 | -0.19pp | 3q | -2.6%-$640.7K | |
| SANDERSON FARMS INC | SAFM | $23.1M | 169,359 | +0.02pp | 3q | -1.0%-$223.7K | |
| MADDEN STEVEN LTD | SHOO | $22.2M | 653,312 | -0.02pp | 3q | -1.0%-$213.0K | |
| KRATOS DEFENSE & SEC SOLUTIO | KTOS | $21.9M | 955,160 | +0.50pp | 3q | +8.9%+$1.8M | |
| APPIAN CORP | APPN | $21.8M | 603,737 | +0.08pp | 3q | +2.6%+$546.0K | |
| FIVE9 INC | FIVN | $21.1M | 411,241 | +0.17pp | 3q | +19.6%+$3.5M | |
| SOTHEBYS | BID | $20.9M | 358,672 | +0.44pp | 3q | -1.0%-$200.5K | |
| CARDIOVASCULAR SYS INC DEL | CSII | $20.3M | 472,653 | +0.02pp | 3q | -7.8%-$1.7M | |
| ZIFF DAVIS INC | ZD | $19.8M | 222,960 | +0.01pp | 3q | -1.0%-$190.2K | |
| BRINKS CO | BCO | $19.7M | 242,893 | +0.07pp | 3q | -0.9%-$188.7K | |
| INGEVITY CORP | NGVT | $19.6M | 186,035 | -0.34pp | 3q | -21.0%-$5.2M | |
| REALPAGE INC | RP | $19.5M | 330,915 | -0.07pp | 3q | -1.3%-$262.8K | |
| ARGO GROUP INTL HLDGS LTD | ARGO | $19.1M | 257,405 | +0.28pp | 3q | +26.1%+$3.9M | |
| CALAVO GROWERS INC | CVGW | $18.9M | 195,546 | +0.14pp | 3q | -1.0%-$181.5K | |
| MERCURY SYS INC | MRCY | $18.3M | 259,619 | +0.08pp | 3q | -0.9%-$174.9K | |
| WINGSTOP INC | WING | $18.0M | 190,219 | +0.04pp | 3q | -15.6%-$3.3M | |
| MASTEC INC | MTZ | $17.9M | 347,033 | +0.05pp | 3q | -1.2%-$210.7K | |
| TACTILE SYS TECHNOLOGY INC | TCMD | $17.4M | 305,650 | +0.21pp | 3q | +16.5%+$2.5M | |
| JAMES RIV GROUP LTD | JRVR | $16.7M | 356,357 | +0.13pp | 3q | -1.0%-$160.5K | |
| EPLUS INC | PLUS | $16.6M | 241,442 | flat | 2q | +30.0%+$3.8M | |
| NOVANTA INC | NOVT | $16.6M | 175,509 | +0.09pp | 3q | -1.0%-$159.1K | |
| KINSALE CAP GROUP INC | KNSL | $16.3M | 178,315 | +0.24pp | 3q | -1.1%-$189.1K | |
| RADNET INC | RDNT | $16.1M | 1,167,254 | +0.31pp | 2q | +32.5%+$3.9M | |
| SIMPLY GOOD FOODS CO | SMPL | $15.7M | 652,097 | +0.13pp | 3q | -0.9%-$150.4K | |
| LHC GROUP INC | LHCG | $15.6M | 130,195 | +0.05pp | 3q | -1.0%-$149.5K | |
| RBC BEARINGS INC | RBC | $14.9M | 89,467 | +0.21pp | 3q | -1.0%-$143.5K | |
| EMERGENT BIOSOLUTIONS INC | EBS | $13.6M | 282,255 | -0.01pp | 3q | +4.6%+$603.6K | |
| BANCORPSOUTH BK TUPELO MISS | BXS | $13.6M | 467,240 | +0.01pp | 3q | -1.0%-$130.6K | |
| NATIONAL VISION HLDGS INC | EYE | $13.4M | 436,381 | -0.03pp | 3q | -0.6%-$76.6K | |
| EVOLENT HEALTH INC | EVH | $13.3M | 1,677,508 | -0.31pp | 3q | +15.9%+$1.8M | |
| TRISTATE CAP HLDGS INC | TSC | $13.3M | 621,215 | +0.02pp | 3q | -1.1%-$141.2K | |
| CUBIC CORP | CUB | $13.1M | 202,550 | +0.09pp | 3q | -1.0%-$129.0K | |
| CASELLA WASTE SYS INC | CWST | $13.0M | 328,286 | +0.20pp | 2q | +21.4%+$2.3M | |
| ADDUS HOMECARE CORP | ADUS | $12.9M | 171,740 | +0.15pp | 3q | +5.5%+$670.6K | |
| CHEMICAL FINL CORP | CHFC | $12.9M | 312,678 | -0.02pp | 3q | -1.0%-$124.3K | |
| VIEWRAY INC | VRAYQ | $12.8M | 1,448,946 | +0.11pp | 3q | -1.0%-$123.4K | |
| COLUMBIA BKG SYS INC | COLB | $12.6M | 348,072 | +0.06pp | 3q | -1.0%-$121.8K | |
| PAYLOCITY HLDG CORP | PCTY | $12.6M | 134,060 | +0.02pp | 3q | -1.0%-$120.8K | |
| KORN FERRY | KFY | $12.5M | 311,584 | -0.11pp | 3q | -1.0%-$119.8K | |
| PRA GROUP INC | PRAA | $12.3M | 438,473 | +0.02pp | 3q | -1.1%-$143.3K | |
| WORLD KINECT CORPORATION | WKC | $12.3M | 342,661 | +0.29pp | 2q | +30.4%+$2.9M | |
| MKS INC. | MKSI | $12.2M | 156,382 | -0.17pp | 3q | -1.4%-$169.0K | |
| HOME BANCSHARES INC | HOMB | $12.0M | 624,696 | +0.05pp | 3q | -0.9%-$115.1K | |
| OXFORD INDS INC | OXM | $12.0M | 158,689 | -0.01pp | 3q | -1.1%-$139.6K | |
| HANGER INC | HNGR | $11.8M | 614,401 | -0.01pp | 3q | -1.1%-$136.2K | |
| NCR VOYIX CORPORATION | VYX | $11.7M | 375,062 | -0.60pp | 3q | -51.8%-$12.5M | |
| CACI INTL INC | CACI | $11.6M | 56,938 | +0.07pp | 3q | -1.0%-$113.3K | |
| PLAYAGS INC | AGS | $11.2M | 574,087 | -0.22pp | 3q | -6.2%-$739.9K | |
| ICF INTL INC | ICFI | $10.9M | 150,193 | -0.04pp | 2q | -1.0%-$105.6K | |
| CARDTRONICS PLC | CATM | $10.7M | 390,593 | +0.25pp | 2q | +111.3%+$5.6M | |
| BROOKDALE SR LIVING INC | BKD | $10.6M | 1,463,372 | +0.05pp | 3q | -1.0%-$101.3K | |
| CAREDX INC | CDNA | $10.1M | 279,306 | +0.19pp | 3q | +27.5%+$2.2M | |
| AMEDISYS INC | AMED | $10.0M | 82,556 | -0.02pp | 3q | -1.0%-$97.0K | |
| WEBSTER FINL CORP | WBS | $10.0M | 209,442 | -0.05pp | 3q | -1.3%-$135.5K | |
| MERITOR INC | MTOR | $9.9M | 406,333 | +0.16pp | 3q | +14.2%+$1.2M | |
| GRANITE CONSTR INC | GVA | $9.8M | 203,426 | +0.05pp | 3q | -1.0%-$94.0K | |
| ATRICURE INC | ATRC | $9.6M | 320,660 | +0.11pp | 3q | +11.2%+$967.1K | |
| SOUTHSTATE CORPORATION | SSBXXXX | $9.6M | 129,652 | +0.03pp | 3q | -1.0%-$91.6K | |
| OCEANEERING INTL INC | OII | $9.5M | 463,779 | +0.12pp | 3q | -1.1%-$110.0K | |
| WILLDAN GROUP INC | WLDN | $9.2M | 248,090 | - | new | NEW | |
| PACIRA BIOSCIENCES INC | PCRX | $9.1M | 208,471 | +0.13pp | 3q | +14.5%+$1.1M | |
| NOVOCURE LTD | NVCR | $8.9M | 141,352 | +0.18pp | 3q | +13.0%+$1.0M | |
| AIR TRANSPORT SERVICES GRP I | ATSG | $8.5M | 348,985 | -0.04pp | 3q | -11.6%-$1.1M | |
| KORNIT DIGITAL LTD | KRNT | $8.5M | 268,582 | +0.04pp | 3q | -17.6%-$1.8M | |
| PATHWARD FINANCIAL INC | CASH | $8.4M | 300,969 | +0.26pp | 2q | +41.7%+$2.5M | |
| SAIA INC | SAIA | $8.2M | 126,556 | +0.10pp | 3q | +18.3%+$1.3M | |
| INPHI CORP | IPHI | $8.2M | 162,957 | +0.07pp | 3q | +2.0%+$160.0K | |
| VERRA MOBILITY CORP | VRRM | $8.1M | 622,039 | - | new | NEW | |
| EXPONENT INC | EXPO | $8.1M | 138,915 | +0.16pp | 2q | +45.2%+$2.5M | |
| AMERISAFE INC | AMSF | $8.0M | 124,695 | +0.03pp | 3q | -1.0%-$76.3K | |
| CHAMPION HOMES INC | SKY | $8.0M | 290,375 | -0.04pp | 3q | -34.9%-$4.3M | |
| TPI COMPOSITES INC | TPICQ | $7.9M | 320,711 | -0.03pp | 3q | +9.5%+$690.0K | |
| STAAR SURGICAL CO | STAA | $7.9M | 268,448 | +0.10pp | 3q | +47.3%+$2.5M | |
| MODEL N INC | MODN | $7.9M | 403,133 | +0.04pp | 3q | -0.7%-$58.5K | |
| MATERIALISE NV | MTLS | $7.7M | 395,079 | +0.15pp | 3q | +17.1%+$1.1M | |
| BURLINGTON STORES INC | BURL | $7.4M | 43,651 | +0.03pp | 3q | -1.3%-$95.1K | |
| TECHTARGET INC | TTGT | $7.3M | 345,787 | +0.12pp | 3q | +5.7%+$396.5K | |
| CENTENNIAL RESOURCE DEV INC | CDEV | $7.3M | 966,102 | -0.08pp | 3q | -0.9%-$67.3K | |
| COLUMBIA SPORTSWEAR CO | COLM | $7.2M | 72,095 | -0.03pp | 3q | -1.3%-$97.6K | |
| NINE ENERGY SERVICE INC | NINEQ | $7.0M | 406,424 | -0.14pp | 3q | -0.9%-$67.5K | |
| MARINEMAX INC | HZO | $7.0M | 427,072 | -0.02pp | 3q | +13.2%+$817.7K | |
| BIOTELEMETRY INC | BEAT | $6.9M | 143,816 | -0.04pp | 3q | +21.3%+$1.2M | |
| VERACYTE INC | VCYT | $6.9M | 241,956 | -0.04pp | 3q | -19.4%-$1.7M | |
| LIVEPERSON INC | LPSNXXXX | $6.9M | 245,215 | -0.11pp | 3q | -17.5%-$1.5M | |
| ANTARES PHARMA INC | ATRS | $6.8M | 2,072,605 | +0.23pp | 2q | +100.3%+$3.4M | |
| COLLEGIUM PHARMACEUTICAL INC | COLL | $6.7M | 509,701 | +0.15pp | 3q | +81.0%+$3.0M | |
| PLURALSIGHT INC | PS | $6.7M | 220,702 | -0.03pp | 3q | -0.8%-$57.1K | |
| RUDOLPH TECHNOLOGIES INC | RTEC | $6.7M | 241,350 | +0.09pp | 3q | +5.6%+$355.7K | |
| FRESHPET INC | FRPT | $6.7M | 146,467 | +0.02pp | 3q | -0.8%-$56.0K | |
| TOWER SEMICONDUCTOR LTD | TSEM | $6.6M | 419,884 | flat | 3q | +5.2%+$327.8K | |
| FLOOR & DECOR HLDGS INC | FND | $6.6M | 157,951 | flat | 3q | -1.3%-$84.6K | |
| MIMECAST LTD | MIME | $6.5M | 138,949 | +0.03pp | 3q | +11.6%+$673.0K | |
| RAPID7 INC | RPD | $6.5M | 111,879 | -0.08pp | 3q | -25.7%-$2.2M | |
| PINNACLE FINL PARTNERS INC | PNFP | $6.4M | 112,201 | +0.01pp | 3q | -0.9%-$57.3K | |
| ENVESTNET INC | ENV | $6.4M | 93,951 | +0.01pp | 3q | -0.9%-$55.9K | |
| CASTLIGHT HEALTH INC | CSLT | $6.4M | 1,980,813 | -0.07pp | 3q | -0.7%-$47.6K | |
| CHEGG INC | CHGG | $6.3M | 164,551 | flat | 3q | -0.8%-$53.4K | |
| RUSH ENTERPRISES INC | RUSHA | $6.1M | 167,693 | +0.12pp | 2q | +67.5%+$2.5M | |
| OXFORD IMMUNOTEC GLOBAL PLC | OXFD | $6.1M | 442,723 | -0.21pp | 3q | -19.3%-$1.5M | |
| AXON ENTERPRISE INC | AXON | $6.1M | 94,426 | +0.03pp | 3q | -7.2%-$473.5K | |
| VOCERA COMMUNICATIONS INC | VCRA | $6.1M | 189,928 | +0.04pp | 3q | +13.1%+$700.2K | |
| QUAKER HOUGHTON | KWR | $6.0M | 29,742 | flat | 3q | -0.9%-$57.8K | |
| BIODELIVERY SCIENCES INTL IN | BDSI | $6.0M | 1,291,404 | -0.06pp | 3q | -0.7%-$44.6K | |
| NOODLES & CO | NDLS | $6.0M | 761,373 | +0.05pp | 3q | -0.7%-$44.7K | |
| ADVANCED ENERGY INDS | AEIS | $5.9M | 105,417 | +0.02pp | 3q | -5.6%-$352.1K | |
| UPLAND SOFTWARE INC | UPLD | $5.9M | 130,052 | - | new | NEW | |
| FIVE BELOW INC | FIVE | $5.9M | 48,904 | -0.07pp | 3q | -12.2%-$815.2K | |
| DULUTH HLDGS INC | DLTH | $5.8M | 429,307 | -0.28pp | 3q | -1.0%-$56.4K | |
| AAR CORP | AIR | $5.8M | 158,442 | +0.04pp | 3q | -0.8%-$49.6K | |
| MYRIAD GENETICS INC | MYGN | $5.8M | 207,419 | +0.04pp | 2q | +34.5%+$1.5M | |
| FORMFACTOR INC | FORM | $5.7M | 365,870 | -0.11pp | 3q | -21.2%-$1.5M | |
| CRYOPORT INC | CYRX | $5.7M | 312,400 | - | new | NEW | |
| SPIRIT AIRLS INC | SAVEQ | $5.7M | 119,811 | -0.13pp | 3q | -17.9%-$1.2M | |
| ROSETTA STONE INC | RST | $5.7M | 249,052 | +0.05pp | 3q | +11.5%+$585.5K | |
| COHERENT INC | COHR | $5.6M | 41,310 | +0.04pp | 2q | +19.4%+$913.7K | |
| ENERGY RECOVERY INC | ERII | $5.6M | 538,561 | +0.05pp | 2q | -0.7%-$41.4K | |
| AMPHASTAR PHARMACEUTICALS IN | AMPH | $5.5M | 261,771 | +0.01pp | 3q | -0.8%-$47.1K | |
| FORWARD AIR CORP | FWRDXXXX | $5.5M | 92,876 | +0.03pp | 3q | +21.5%+$971.5K | |
| WERNER ENTERPRISES INC | WERN | $5.5M | 175,370 | -0.04pp | 3q | -0.9%-$46.9K | |
| BLACKLINE INC | BL | $5.4M | 100,736 | - | new | NEW | |
| PATTERSON-UTI ENERGY INC | PTEN | $5.4M | 465,981 | -0.08pp | 3q | -0.9%-$51.4K | |
| CLARUS CORP NEW | CLAR | $5.4M | 370,561 | - | new | NEW | |
| CHUYS HLDGS INC | CHUY | $5.3M | 232,494 | +0.05pp | 3q | +18.6%+$834.8K | |
| LIMONEIRA CO | LMNR | $5.3M | 263,962 | -0.07pp | 3q | -0.7%-$39.2K | |
| GLU MOBILE INC | GLUU | $5.2M | 728,449 | -0.18pp | 3q | -0.7%-$38.8K | |
| TOPBUILD COR | BLD | $5.2M | 62,576 | - | new | NEW | |
| SEACOAST BKG CORP FLA | SBCF | $5.2M | 203,306 | -0.02pp | 3q | -0.7%-$38.2K | |
| REXNORD CORP | RXN | $5.2M | 170,424 | -0.01pp | 3q | -18.1%-$1.1M | |
| MAXLINEAR INC | MXL | $5.1M | 219,674 | +0.04pp | 2q | +25.1%+$1.0M | |
| NEOGEN CORP | NEOG | $5.1M | 81,873 | +0.02pp | 3q | -0.9%-$45.1K | |
| INTRICON CORP | IIN | $5.1M | 216,680 | +0.01pp | 3q | +13.5%+$601.8K | |
| LIGAND PHARMACEUTICALS INC | LGND | $5.0M | 43,919 | -0.04pp | 3q | -0.8%-$42.2K | |
| APYX MEDICAL CORPORATION | APYX | $5.0M | 742,822 | +0.03pp | 3q | +5.4%+$256.8K | |
| AXOGEN INC | AXGN | $5.0M | 251,850 | +0.06pp | 2q | +35.0%+$1.3M | |
| CHEMBIO DIAGNOSTICS INC | CEMI | $4.9M | 808,673 | +0.02pp | 3q | -0.7%-$36.2K | |
| MIX TELEMATICS LTD | MIXT | $4.9M | 326,846 | +0.14pp | 2q | +105.3%+$2.5M | |
| BENEFITFOCUS INC | BNFT | $4.9M | 178,986 | -0.26pp | 3q | -0.8%-$41.5K | |
| NEOGENOMICS INC | NEO | $4.8M | 220,020 | -0.09pp | 3q | -27.7%-$1.8M | |
| EGAIN CORP | EGAN | $4.8M | 585,565 | +0.08pp | 2q | +78.1%+$2.1M | |
| NEURONETICS INC | STIM | $4.8M | 380,717 | +0.01pp | 3q | +25.7%+$975.2K | |
| QAD INC | QADA | $4.8M | 118,444 | - | new | NEW | |
| GLAUKOS CORP | GKOS | $4.7M | 62,928 | -0.08pp | 3q | -17.6%-$1.0M | |
| MELLANOX TECHNOLOGIES LTD | MLNX | $4.7M | 42,060 | -0.03pp | 3q | -1.3%-$59.8K | |
| CRAY INC | CRAY | $4.6M | 132,660 | -0.32pp | 3q | -64.3%-$8.3M | |
| CENTERSTATE BK CORP | CSFL | $4.6M | 200,279 | +0.04pp | 2q | +19.9%+$765.3K | |
| COLUMBUS MCKINNON CORP N Y | CMCO | $4.5M | 108,203 | -0.20pp | 3q | -51.8%-$4.9M | |
| MATADOR RES CO | MTDR | $4.4M | 222,117 | flat | 3q | -0.8%-$37.1K | |
| INDEPENDENT BANK GROUP INC | IBTX | $4.4M | 80,236 | +0.01pp | 3q | -0.7%-$32.9K | |
| LATTICE SEMICONDUCTOR CORP | LSCC | $4.4M | 298,627 | - | new | NEW | |
| AGILYSYS INC | AGYS | $4.4M | 202,734 | +0.12pp | 2q | +74.8%+$1.9M | |
| BALCHEM CORP | BCPC | $4.3M | 43,133 | +0.01pp | 3q | -1.0%-$41.5K | |
| ALLEGIANCE BANCSHARES INC | ABTX | $4.2M | 126,070 | +0.03pp | 3q | +14.1%+$518.6K | |
| QUINSTREET INC | QNST | $3.9M | 243,441 | - | new | NEW | |
| FOX FACTORY HLDG CORP | FOXF | $3.8M | 46,067 | - | new | NEW | |
| NLIGHT INC | LASR | $3.7M | 194,607 | -0.02pp | 2q | +9.4%+$321.8K | |
| FRANKLIN COVEY CO | FC | $3.5M | 101,589 | - | new | NEW | |
| APPFOLIO INC | APPF | $3.4M | 32,851 | flat | 2q | -21.9%-$944.9K | |
| MANITEX INTL INC | MNTX | $3.4M | 549,918 | -0.06pp | 3q | -0.7%-$24.6K | |
| PHOTRONICS INC | PLAB | $3.2M | 395,493 | -0.17pp | 3q | -37.5%-$1.9M | |
| AQUANTIA CORP | AQ | $2.2M | 170,441 | -0.13pp | 3q | -63.5%-$3.9M | |
| STERLING BANCORP INC | SBT | $2.2M | 218,480 | flat | 3q | -0.7%-$15.9K | |
| ALLIENT INC | ALNT | $2.0M | 52,840 | - | new | NEW | |
| PROFIRE ENERGY INC | PFIE | $1.9M | 1,287,709 | -0.02pp | 3q | -0.7%-$14.1K | |
| INSULET CORP | PODD | $292.0K | 2,447 | flat | 2q | +5.4%+$15.0K | |
| DEXCOM INC | DXCM | $263.0K | 1,757 | - | new | NEW | |
| TERADYNE INC | TER | $254.0K | 5,306 | flat | 2q | +4.3%+$10.4K | |
| UNDER ARMOUR INC | UA | $247.0K | 11,104 | flat | 3q | -5.1%-$13.2K | |
| TWILIO INC | TWLO | $202.0K | 1,485 | flat | 2q | -25.5%-$69.2K | |
| EVERPURE INC | P | $160.0K | 10,455 | flat | 2q | +12.5%+$17.8K |
By sector
Industry comes from the SIC code on each company's own SEC filings, which is self-reported and sometimes out of date. Derivative exposure is counted with the shares. Securities the SEC assigns no industry - funds, trusts, foreign issues - are shown as not classified rather than dropped.
| Sector | Value | Share |
|---|---|---|
| Retail & Consumer | $128.6M | 8.0% |
| Software & IT Services | $105.3M | 6.5% |
| Medical Devices | $84.2M | 5.2% |
| Business Services | $72.6M | 4.5% |
| Semiconductors & Electronics | $69.6M | 4.3% |
| Banks & Lending | $67.0M | 4.1% |
| Biotech & Pharma | $56.5M | 3.5% |
| Healthcare Services | $56.5M | 3.5% |
| Energy | $48.9M | 3.0% |
| Chemicals | $48.3M | 3.0% |
| Industrials | $45.0M | 2.8% |
| Transport & Logistics | $41.5M | 2.6% |
| Other sectors | $277.4M | 17.2% |
| Not classified | $514.1M | 31.8% |
Quarter by quarter
| Quarter | Value | Positions | New | Added | Trimmed | Exited | Top 10 | Days to file |
|---|---|---|---|---|---|---|---|---|
| Q2 2019 | $1.6B | 174 | 14 | 55 | 104 | 21 | 15.1% | 2 |
| Q1 2019 | $1.6B | 181 | 31 | 43 | 107 | 68 | 15.5% | 43 |
| Q4 2018 | $1.6B | 218 | 0 | 0 | 0 | 0 | 14.3% | 43 |
Rows marked UNVERIFIED ID, PLACEHOLDER ID, TICKER AS ID or NON-CUSIP ID carry an identifier that is not a valid CUSIP. They are shown because the filer reported that money, but treat the security named with caution - hover the chip for what is wrong with it, and see the methodology.
Held counts consecutive filings in which this manager reported the position, and can reach further back than the quarters listed above: the tabs begin at Q4 2018 because earlier coverage is too sparse to describe a market, but tenure is counted over every filing we hold, some reaching to 2007. A position sold and later rebought starts again from one.
Weight change is the shift in this position's share of the whole book, in percentage points. It is the more useful column: when money flows into or out of a broad fund, almost every holding is bought or sold at once, so added and trimmed largely track flows. A weight that rose while the book shrank is a decision. Both compare with the previous quarter this filer reported, not the previous calendar quarter.