Tekla Capital Management LLC
Reported holdings as of Q2 2023, from 19 quarterly filings.
This filer last reported in Q2 2023; 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 |
|---|---|---|---|---|---|---|---|
| AMGEN INC | AMGN | $136.9M | 616,539 | +0.24pp | 19q | +10.9%+$13.5M | |
| JOHNSON & JOHNSON | JNJ | $119.5M | 721,779 | +0.42pp | 19q | HELD | |
| GILEAD SCIENCES INC | GILD | $118.2M | 1,533,884 | -0.30pp | 19q | -1.7%-$2.0M | |
| REGENERON PHARMACEUTICALS | REGN | $116.0M | 161,418 | +0.06pp | 19q | +12.8%+$13.2M | |
| VERTEX PHARMACEUTICALS INC | VRTX | $111.9M | 318,043 | +0.42pp | 19q | -3.7%-$4.3M | |
| ELI LILLY & CO | LLY | $100.1M | 213,352 | +0.14pp | 19q | -26.2%-$35.4M | |
| UNITEDHEALTH GROUP INC | UNH | $99.5M | 206,961 | -0.32pp | 19q | -11.6%-$13.1M | |
| MERCK & CO INC | MRK | $84.0M | 728,154 | +1.05pp | 19q | +31.9%+$20.3M | |
| ABBVIE INC | ABBV | $73.5M | 545,629 | -0.23pp | 19q | +6.7%+$4.6M | |
| BIOGEN INC | BIIB | $70.6M | 247,943 | +0.21pp | 19q | +2.9%+$2.0M | |
| ASTRAZENECA PLC | AZN | $69.9M | 976,676 | +0.11pp | 19q | -1.6%-$1.1M | |
| ILLUMINA INC | ILMN | $63.2M | 336,979 | -0.61pp | 19q | -3.2%-$2.1M | |
| ABBOTT LABORATORIES | ABT | $60.2M | 552,455 | -0.05pp | 19q | -11.4%-$7.8M | |
| PFIZER INC | PFE | $59.6M | 1,624,476 | -0.43pp | 19q | -8.5%-$5.5M | |
| THERMO FISHER SCIENTIFIC INC | TMO | $51.6M | 98,987 | -0.04pp | 19q | +5.6%+$2.8M | |
| ELEVANCE HEALTH INC FORMERLY | ELV | $50.7M | 114,070 | -0.01pp | 19q | HELD | |
| MODERNA INC | MRNA | $41.8M | 343,695 | -0.25pp | 14q | +6.7%+$2.6M | |
| BOSTON SCIENTIFIC CORP | BSX | $35.6M | 657,790 | +0.31pp | 19q | +16.2%+$5.0M | |
| DANAHER CORP DEL | DHR | $34.3M | 142,813 | +0.33pp | 19q | +35.1%+$8.9M | |
| MEDTRONIC PLC | MDT | $30.3M | 344,417 | +0.13pp | 19q | HELD | |
| IDEXX LABS INC | IDXX | $29.4M | 58,595 | +0.04pp | 19q | HELD | |
| DEXCOM INC | DXCM | $29.4M | 228,747 | +0.14pp | 13q | HELD | |
| BRISTOL-MYERS SQUIBB CO | BMY | $29.3M | 458,498 | -0.60pp | 19q | -30.9%-$13.1M | |
| INTUITIVE SURGICAL INC | ISRG | $28.7M | 83,980 | +0.03pp | 19q | -25.5%-$9.8M | |
| ALNYLAM PHARMACEUTICALS INC | ALNY | $27.2M | 143,214 | -0.03pp | 19q | HELD | |
| THE CIGNA GROUP | CI | $27.0M | 96,339 | -0.72pp | 19q | -47.2%-$24.2M | |
| MCKESSON CORP | MCK | $26.5M | 61,955 | +0.14pp | 19q | -6.8%-$1.9M | |
| ARGENX SE | ARGX | $25.5M | 65,553 | -0.25pp | 18q | -25.8%-$8.9M | |
| HCA HEALTHCARE INC | HCA | $25.0M | 82,403 | +0.09pp | 19q | -7.1%-$1.9M | |
| STRYKER CORPORATION | SYK | $24.8M | 81,128 | +0.19pp | 19q | +13.3%+$2.9M | |
| IQVIA HLDGS INC | IQV | $24.5M | 109,129 | +0.48pp | 19q | +72.9%+$10.3M | |
| ZOETIS INC | ZTS | $23.6M | 136,914 | +0.06pp | 19q | HELD | |
| CHARLES RIV LABS INTL INC | CRL | $23.4M | 111,183 | +0.01pp | 19q | -5.8%-$1.5M | |
| SEAGEN INC | SGEN | $21.6M | 112,331 | -0.89pp | 11q | -50.0%-$21.6M | |
| SAREPTA THERAPEUTICS INC | SRPT | $20.5M | 179,437 | -0.69pp | 19q | -37.2%-$12.2M | |
| NOVO-NORDISK A S | NVO | $19.9M | 122,777 | +0.10pp | 19q | +10.3%+$1.9M | |
| Oculis Holding AG | $18.8M | 1,690,741 | +0.32pp | 2q | HELD | ||
| MOLINA HEALTHCARE INC | MOH | $18.6M | 61,856 | +0.10pp | 13q | HELD | |
| JAZZ PHARMACEUTICALS PLC | JAZZ | $18.3M | 147,779 | -0.11pp | 19q | HELD | |
| BIOMARIN PHARMACEUTICAL INC | BMRN | $18.3M | 210,789 | -0.40pp | 19q | -29.8%-$7.7M | |
| EDWARDS LIFESCIENCES CORP | EW | $17.9M | 189,597 | +0.16pp | 19q | +10.8%+$1.7M | |
| HUMANA INC | HUM | $16.5M | 36,794 | -0.04pp | 19q | HELD | |
| APELLIS PHARMACEUTICALS INC | APLS | $15.8M | 173,248 | +0.28pp | 16q | +28.2%+$3.5M | |
| BAXTER INTL INC | BAX | $14.8M | 324,370 | +0.47pp | 2q | +381.9%+$11.7M | |
| EXELIXIS INC | EXEL | $13.9M | 726,639 | +0.01pp | 2q | HELD | |
| NOVARTIS AG | NVS | $13.7M | 136,225 | +0.06pp | 19q | HELD | |
| KARUNA THERAPEUTICS INC | KRTX | $12.7M | 58,577 | +0.13pp | 13q | +9.6%+$1.1M | |
| INSULET CORP | PODD | $12.6M | 43,847 | - | new | NEW | |
| GUARDANT HEALTH INC | GH | $12.4M | 346,084 | +0.06pp | 15q | -26.7%-$4.5M | |
| ASCENDIS PHARMA A/S | ASND | $12.4M | 138,791 | -0.02pp | 19q | +12.1%+$1.3M | |
| SPDR SERIES TRUST | XBI | $12.3M | 147,677 | +0.05pp | 6q | HELD | |
| PHYSICIANS RLTY TR | DOCXXXX | $12.2M | 873,655 | -0.02pp | 19q | HELD | |
| TENET HEALTHCARE CORP | THC | $12.1M | 149,070 | - | new | NEW | |
| BIONTECH SE | BNTX | $11.2M | 103,858 | -0.05pp | 10q | HELD | |
| NEUROCRINE BIOSCIENCES INC | NBIX | $10.6M | 112,908 | -0.02pp | 19q | HELD | |
| ZIMMER BIOMET HOLDINGS INC | ZBH | $9.8M | 67,356 | +0.05pp | 19q | HELD | |
| RALLYBIO CORP | RLYB | $9.8M | 1,727,067 | +0.01pp | 8q | HELD | |
| VAXCYTE INC | PCVX | $9.7M | 194,232 | +0.37pp | 3q | +3784.6%+$9.5M | |
| ALKERMES PLC | ALKS | $9.7M | 309,613 | +0.05pp | 8q | HELD | |
| DENALI THERAPEUTICS INC | DNLI | $9.6M | 324,829 | +0.09pp | 11q | HELD | |
| AVANTOR INC | AVTR | $9.4M | 459,488 | flat | 3q | HELD | |
| OMEGA HEALTHCARE INVS INC | OHI | $9.4M | 306,433 | +0.05pp | 19q | HELD | |
| UNITED THERAPEUTICS CORP DEL | UTHR | $9.2M | 41,465 | -0.16pp | 19q | -32.2%-$4.4M | |
| INTRA-CELLULAR THERAPIES INC | ITCI | $8.3M | 131,435 | -0.03pp | 19q | -23.7%-$2.6M | |
| ACADIA HEALTHCARE COMPANY IN | ACHC | $8.0M | 100,912 | -0.20pp | 6q | -45.9%-$6.8M | |
| MADRIGAL PHARMACEUTICALS INC | MDGL | $8.0M | 34,434 | +0.20pp | 2q | +175.9%+$5.1M | |
| RESMED INC | RMD | $7.6M | 34,704 | -0.31pp | 19q | -52.6%-$8.4M | |
| HORIZON THERAPEUTICS PUB L | HZNP | $7.4M | 72,425 | - | new | NEW | |
| INSPIRE MED SYS INC | INSP | $7.1M | 22,018 | - | new | NEW | |
| CYTOKINETICS INC | CYTK | $7.1M | 219,025 | -0.01pp | 7q | HELD | |
| STERIS PLC | STE | $7.0M | 31,072 | +0.05pp | 18q | HELD | |
| SANOFI SA | SNY | $6.7M | 123,454 | flat | 19q | HELD | |
| R1 RCM INC | RCM | $6.6M | 356,851 | +0.05pp | 5q | HELD | |
| CVS HEALTH CORP | CVS | $6.5M | 93,621 | -0.01pp | 19q | HELD | |
| MEDPACE HLDGS INC | MEDP | $6.5M | 26,918 | +0.19pp | 15q | +185.3%+$4.2M | |
| IMMUNOVANT INC | IMVT | $6.4M | 336,200 | +0.18pp | 2q | +191.3%+$4.2M | |
| INTELLIA THERAPEUTICS INC | NTLA | $6.3M | 154,269 | +0.03pp | 10q | HELD | |
| LTC PPTYS INC | LTC | $6.0M | 182,293 | -0.01pp | 19q | HELD | |
| SABRA HEALTH CARE REIT INC | SBRA | $6.0M | 510,660 | +0.01pp | 19q | HELD | |
| SMITH & NEPHEW PLC | SNN | $5.9M | 181,710 | +0.04pp | 19q | HELD | |
| CHINOOK THERAPEUTICS INC | KDNY | $5.8M | 150,863 | +0.15pp | 2q | +80.7%+$2.6M | |
| WEST PHARMACEUTICAL SVSC INC | WST | $5.8M | 15,036 | +0.03pp | 2q | HELD | |
| CEREVEL THERAPEUTICS HLDNG I | CERE | $5.6M | 176,483 | +0.06pp | 7q | HELD | |
| LIVANOVA PLC | LIVN | $5.6M | 108,480 | +0.11pp | 2q | +69.8%+$2.3M | |
| ALLSCRIPTS HEALTHCARE SOLUTN | MDRX | $5.4M | 428,580 | flat | 4q | HELD | |
| AGILENT TECHNOLOGIES INC | A | $5.2M | 43,191 | -0.02pp | 17q | HELD | |
| MARINUS PHARMACEUTICALS INC | MRNS | $4.5M | 411,101 | +0.05pp | 2q | -10.0%-$496.1K | |
| UNIQURE NV | QURE | $4.1M | 356,280 | -0.34pp | 19q | -45.4%-$3.4M | |
| CENCORA INC | COR | $3.9M | 20,417 | +0.03pp | 3q | HELD | |
| MEDICAL PROPERTIES TRUST INC | MPT | $3.8M | 411,743 | +0.02pp | 19q | HELD | |
| BEONE MEDICINES LTD | ONC | $3.7M | 20,952 | -0.03pp | 19q | HELD | |
| IONIS PHARMACEUTICALS INC | IONS | $3.6M | 87,840 | +0.02pp | 19q | HELD | |
| BIOCRYST PHARMACEUTICALS INC | BCRX | $3.6M | 504,528 | -0.02pp | 6q | HELD | |
| REATA PHARMACEUTICALS INC | RETA | $3.5M | 34,250 | +0.07pp | 2q | +91.9%+$1.7M | |
| TEVA PHARMACEUTICAL INDS LTD | TEVA | $3.5M | 459,651 | -0.02pp | 19q | HELD | |
| WELLTOWER INC | WELL | $3.4M | 41,484 | +0.02pp | 19q | HELD | |
| HEALTHCARE RLTY TR | HR | $3.3M | 174,686 | flat | 4q | HELD | |
| VENTAS INC | VTR | $3.2M | 66,681 | +0.01pp | 19q | HELD | |
| ISHARES TR | IBB | $3.1M | 24,569 | flat | 4q | HELD | |
| HEALTHPEAK PROPERTIES INC | DOC | $3.0M | 150,392 | -0.01pp | 15q | HELD | |
| AKERO THERAPEUTICS INC | AKRO | $2.9M | 61,497 | - | new | NEW | |
| ADAPTIVE BIOTECHNOLOGIES COR | ADPT | $2.8M | 422,281 | -0.03pp | 12q | HELD | |
| GALERA THERAPEUTICS INC | GRTX | $2.8M | 898,374 | +0.02pp | 15q | HELD | |
| XENON PHARMACEUTICALS INC | XENE | $2.6M | 67,506 | -0.01pp | 5q | -19.4%-$624.0K | |
| BRIDGEBIO PHARMA INC | BBIO | $2.6M | 150,921 | +0.01pp | 2q | HELD | |
| KONINKLIJKE PHILIPS N V | PHG | $2.5M | 114,765 | +0.02pp | 19q | +4.5%+$106.4K | |
| CARIBOU BIOSCIENCES INC | CRBU | $2.4M | 567,147 | -0.02pp | 8q | HELD | |
| MIRATI THERAPEUTICS INC | MRTX | $2.4M | 65,490 | flat | 19q | HELD | |
| ICON PUB LTD CO | ICLR | $2.3M | 9,334 | +0.02pp | 10q | HELD | |
| AMYLYX PHARMACEUTICALS INC | AMLX | $2.2M | 104,007 | - | new | NEW | |
| ASSERTIO HOLDINGS INC | ASRT | $2.2M | 410,575 | -0.01pp | 9q | HELD | |
| MEREO BIOPHARMA GROUP PLC | MREO | $2.0M | 1,551,082 | +0.04pp | 10q | HELD | |
| 89BIO INC | ETNB | $2.0M | 105,898 | +0.02pp | 2q | HELD | |
| ARDELYX INC | ARDX | $1.8M | 539,408 | -0.03pp | 19q | HELD | |
| PYXIS ONCOLOGY INC | PYXS | $1.8M | 708,303 | -0.04pp | 7q | HELD | |
| PERRIGO CO PLC | PRGO | $1.7M | 51,224 | flat | 19q | HELD | |
| TAKEDA PHARMACEUTICAL CO LTD | TAK | $1.7M | 105,073 | flat | 18q | HELD | |
| GLOBAL MED REIT INC | GMREXXXX | $1.6M | 174,897 | flat | 19q | HELD | |
| GSK PLC | GSK | $1.5M | 41,852 | flat | 4q | HELD | |
| TACTILE SYS TECHNOLOGY INC | TCMD | $1.5M | 58,472 | +0.04pp | 2q | +69.8%+$599.3K | |
| ARCUTIS BIOTHERAPEUTICS INC | ARQT | $1.4M | 148,874 | -0.01pp | 10q | HELD | |
| XENCOR INC | XNCR | $1.4M | 56,675 | - | new | NEW | |
| CRINETICS PHARMACEUTICALS IN | CRNX | $1.4M | 78,529 | +0.01pp | 3q | HELD | |
| MORPHOSYS AG | MOR | $1.3M | 177,191 | +0.04pp | 15q | +116.4%+$712.1K | |
| CRISPR THERAPEUTICS AG | CRSP | $1.3M | 22,571 | -0.05pp | 19q | -59.0%-$1.8M | |
| NATERA INC | NTRA | $1.2M | 24,636 | -0.06pp | 5q | -50.0%-$1.2M | |
| EDGEWISE THERAPEUTICS INC | EWTX | $1.2M | 150,418 | flat | 7q | -22.9%-$345.7K | |
| ZENTALIS PHARMACEUTICALS INC | ZNTL | $1.1M | 40,156 | - | new | NEW | |
| BICYCLE THERAPEUTICS PLC | BCYC | $1.1M | 44,338 | -0.03pp | 6q | -50.0%-$1.1M | |
| G1 THERAPEUTICS INC | GTHX | $1.1M | 423,869 | flat | 10q | HELD | |
| FULCRUM THERAPEUTICS INC | FULC | $847.7K | 256,888 | +0.03pp | 3q | +338.8%+$654.6K | |
| SCHOLAR ROCK HLDG CORP | SRRK | $820.6K | 108,833 | flat | 11q | HELD | |
| DIVERSIFIED HEALTHCARE TR | DHC | $804.9K | 357,720 | +0.01pp | 15q | HELD | |
| THESEUS PHARMACEUTICALS INC | THRX | $699.8K | 75,000 | flat | 7q | HELD | |
| ARCUS BIOSCIENCES INC | RCUS | $667.0K | 32,839 | flat | 2q | HELD | |
| BLACK DIAMOND THERAPEUTICS I | BDTX | $666.5K | 131,990 | +0.02pp | 10q | HELD | |
| ITEOS THERAPEUTICS INC | ITOS | $605.5K | 45,735 | flat | 2q | HELD | |
| INTERCEPT PHARMACEUTICALS IN | ICPT | $575.9K | 52,067 | flat | 19q | HELD | |
| UNIVERSAL HEALTH RLTY INCOME | UHT | $535.7K | 11,258 | flat | 15q | HELD | |
| NATIONAL HEALTH INVS INC | NHI | $526.2K | 10,038 | flat | 14q | HELD | |
| BEAM THERAPEUTICS INC | BEAM | $505.0K | 15,817 | flat | 7q | HELD | |
| TSCAN THERAPEUTICS INC | TCRX | $500.0K | 200,000 | flat | 8q | HELD | |
| ALX ONCOLOGY HLDGS INC | ALXO | $497.2K | 66,211 | +0.01pp | 8q | HELD | |
| COMMUNITY HEALTHCARE TR INC | CHCT | $492.0K | 14,900 | flat | 15q | HELD | |
| NOVABRIDGE BIOSCIENCES | NBP | $486.1K | 162,580 | flat | 10q | HELD | |
| NOVAVAX INC | NVAX | $474.0K | 63,800 | flat | 17q | HELD | |
| HILLEVAX INC | HLVX | $464.1K | 27,000 | - | new | NEW | |
| SUTRO BIOPHARMA INC | STRO | $457.3K | 98,354 | flat | 19q | HELD | |
| COMMUNITY HEALTH SYS INC NEW | CYH | $388.7K | 88,335 | flat | 19q | HELD | |
| AFFIMED N V | AFMD | $350.6K | 586,038 | flat | 11q | HELD | |
| REPARE THERAPEUTICS INC | RPTX | $308.4K | 29,150 | flat | 7q | HELD | |
| ALTIMMUNE INC | ALT | $264.8K | 75,000 | flat | 2q | HELD | |
| FUSION PHARMACEUTICALS INC | FUSN | $203.1K | 43,394 | flat | 8q | HELD | |
| CODEXIS INC | CDXS | $193.6K | 69,125 | flat | 4q | HELD | |
| HARPOON THERAPEUTICS INC | HARPXXXX | $184.5K | 259,910 | flat | 6q | HELD | |
| PRECISION BIOSCIENCES INC | DTIL | $118.1K | 224,534 | flat | 10q | HELD | |
| SPECTRUM PHARMACEUTICALS INC | SPPI | $110.1K | 114,670 | flat | 19q | HELD | |
| ADICET BIO INC | ACET | $98.0K | 40,329 | -0.01pp | 7q | HELD | |
| PRAXIS PRECISION MEDICINES I | PRAX | $86.2K | 75,000 | flat | 11q | HELD | |
| ARCA BIOPHARMA INC | ABIO | $65.9K | 32,461 | flat | 17q | HELD | |
| NKARTA INC | NKTX | $63.5K | 28,988 | flat | 10q | HELD | |
| MALLINCKRODT PLC | MNKTQ | $41.4K | 35,048 | -0.01pp | 3q | HELD | |
| CORBUS PHARMACEUTICALS HLDGS | CRBP | $40.3K | 5,143 | flat | 2q | HELD | |
| VYNE THERAPEUTICS INC | VYNE | $30.5K | 7,520 | flat | 2q | HELD | |
| NEXGEL INC | NXGL | $10.7K | 4,243 | flat | 6q | HELD | |
| BELLICUM PHARMACEUTICALS INC | BLCM | $2.2K | 6,000 | flat | 14q | HELD |
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 |
|---|---|---|
| Biotech & Pharma | $1.7B | 67.0% |
| Medical Devices | $246.8M | 9.7% |
| Insurance | $212.3M | 8.3% |
| Instruments & Controls | $85.9M | 3.4% |
| Healthcare Services | $65.6M | 2.6% |
| Real Estate | $40.4M | 1.6% |
| Other sectors | $30.6M | 1.2% |
| Not classified | $160.8M | 6.3% |
Quarter by quarter
| Quarter | Value | Positions | New | Added | Trimmed | Exited | Top 10 | Days to file |
|---|---|---|---|---|---|---|---|---|
| Q2 2023 | $2.6B | 166 | 9 | 28 | 30 | 20 | 40.3% | 41 |
| Q1 2023 | $2.6B | 177 | 20 | 27 | 24 | 15 | 39.7% | 40 |
| Q4 2022 | $2.6B | 172 | 13 | 25 | 35 | 9 | 39.1% | 41 |
| Q3 2022 | $2.4B | 168 | 11 | 34 | 38 | 20 | 38.7% | 32 |
| Q2 2022 | $2.5B | 177 | 6 | 27 | 33 | 4 | 38.4% | 29 |
| Q1 2022 | $2.8B | 175 | 14 | 26 | 25 | 10 | 36.0% | 43 |
| Q4 2021 | $3.1B | 171 | 16 | 27 | 39 | 17 | 35.3% | 45 |
| Q3 2021 | $3.1B | 172 | 17 | 43 | 39 | 34 | 33.8% | 43 |
| Q2 2021 | $3.1B | 189 | 3 | 42 | 38 | 10 | 31.6% | 44 |
| Q1 2021 | $2.9B | 196 | 27 | 31 | 47 | 31 | 30.4% | 44 |
| Q4 2020 | $2.8B | 200 | 15 | 41 | 42 | 19 | 28.2% | 43 |
| Q3 2020 | $2.7B | 204 | 12 | 50 | 32 | 30 | 35.4% | 44 |
| Q2 2020 | $2.6B | 222 | 11 | 46 | 32 | 6 | 37.9% | 44 |
| Q1 2020 | $2.2B | 217 | 14 | 51 | 75 | 11 | 42.7% | 44 |
| Q4 2019 | $2.6B | 214 | 28 | 61 | 53 | 6 | 38.9% | 44 |
| Q3 2019 | $2.3B | 192 | 14 | 52 | 53 | 19 | 41.8% | 44 |
| Q2 2019 | $2.5B | 197 | 16 | 44 | 54 | 13 | 40.3% | 45 |
| Q1 2019 | $2.5B | 194 | 12 | 46 | 69 | 21 | 40.3% | 44 |
| Q4 2018 | $2.3B | 203 | 0 | 0 | 0 | 0 | 40.9% | 44 |
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.