STAMPS COM INC (STMP)
Institutional ownership reported to the SEC as of Q3 2021, across 12 quarters.
269
Reporting holders
$6.4B
Reported value
15.4%
Held as options
+14
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock Inc. | $908.4M | 2,754,459 | 0.03% | 12q | -4.6%-$44.1M |
| VANGUARD GROUP INC | $608.9M | 1,846,250 | 0.02% | 12q | -8.0%-$52.7M |
| HBK INVESTMENTS L P | $277.2M | 840,638 | 1.08% | new | NEW |
| EQUITEC PROPRIETARY MARKETS, LLC | $208.8M | 147,594 | 38.65% | new | NEW |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $202.5M | 239,033 | 0.03% | 12q | +1333.3%+$188.4M |
| STATE STREET CORP | $190.0M | 576,160 | 0.01% | 12q | -5.5%-$11.0M |
| GLAZER CAPITAL, LLC | $187.3M | 568,088 | 3.31% | new | NEW |
| MORGAN STANLEY | $166.1M | 503,618 | 0.02% | 16q | +94.1%+$80.5M |
| DISCIPLINED GROWTH INVESTORS INC /MN | $149.8M | 454,255 | 2.97% | 12q | -50.0%-$149.9M |
| MILLENNIUM MANAGEMENT LLC | $142.4M | 331,687 | 0.09% | 4q | +4129.6%+$139.0M |
| PEAK6 Investments LLC | $135.0M | options only | 0.30% | 12q | OPTIONS |
| VISTA EQUITY PARTNERS MANAGEMENT, LLC | $134.2M | 406,975 | 1.30% | 3q | HELD |
| FIL Ltd | $129.3M | 392,000 | 0.14% | new | NEW |
| Verition Fund Management LLC | $127.7M | 166,405 | 1.11% | new | NEW |
| JPMORGAN CHASE & CO | $125.8M | 381,583 | 0.02% | 12q | +384.1%+$99.8M |
| GROUP ONE TRADING, L.P. | $118.5M | 10,815 | 0.13% | 12q | HELD |
| Walleye Trading LLC | $116.7M | 61,138 | 0.42% | 12q | +2195.8%+$111.6M |
| GEODE CAPITAL MANAGEMENT, LLC | $103.3M | 313,156 | 0.01% | 12q | -1.6%-$1.7M |
| Steel Peak Wealth Management LLC | $100.2M | 303,847 | 6.62% | 8q | HELD |
| DIMENSIONAL FUND ADVISORS LP | $88.3M | 267,793 | 0.03% | 12q | -32.6%-$42.8M |
| GOLDMAN SACHS GROUP INC | $77.0M | 233,623 | 0.02% | 12q | +208.1%+$52.0M |
| NORGES BANK | $75.3M | 228,384 | 0.02% | 15q | +415.8%+$60.7M |
| Simcoe Capital Management, LLC | $72.4M | 219,410 | 7.15% | 10q | -70.4%-$172.5M |
| Caption Management, LLC | $69.8M | 74,134 | 0.80% | 3q | +3282.0%+$67.7M |
| CITADEL ADVISORS LLC | $69.4M | 20,276 | 0.01% | 12q | -17.9%-$15.2M |
| NORTHERN TRUST CORP | $68.5M | 207,639 | 0.01% | 12q | -2.4%-$1.7M |
| Bank of New York Mellon Corp | $62.4M | 189,088 | 0.01% | 12q | -1.7%-$1.1M |
| D. E. Shaw & Co., Inc. | $61.9M | 40,803 | 0.06% | 12q | -89.7%-$538.9M |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $59.2M | 179,360 | 0.14% | 3q | +298833.3%+$59.1M |
| DEUTSCHE BANK AG\ | $52.7M | 159,864 | 0.03% | 15q | +1250.0%+$48.8M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $50.6M | 153,367 | 0.02% | 12q | -3.0%-$1.6M |
| Westchester Capital Management, LLC | $50.5M | 153,064 | 1.45% | new | NEW |
| ALPINE ASSOCIATES MANAGEMENT INC. | $45.8M | 138,800 | 1.49% | new | NEW |
| Beryl Capital Management LLC | $43.7M | 132,503 | 3.07% | new | NEW |
| PRINCIPAL FINANCIAL GROUP INC | $42.2M | 127,985 | 0.03% | 12q | -1.1%-$451.2K |
| Man Group plc | $38.0M | 115,263 | 0.13% | 6q | +265.1%+$27.6M |
| Balyasny Asset Management LLC | $36.8M | 11,624 | 0.15% | new | NEW |
| GABELLI FUNDS LLC | $35.7M | 108,217 | 0.24% | 12q | +1252.7%+$33.1M |
| Penserra Capital Management LLC | $32.7M | 99,224 | 0.68% | 12q | -18.0%-$7.2M |
| HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS, L.P. | $31.3M | 94,817 | 5.38% | new | NEW |
| CANADA PENSION PLAN INVESTMENT BOARD | $28.3M | 85,770 | 0.03% | 10q | +10321.6%+$28.0M |
| IndexIQ Advisors LLC | $26.7M | 81,008 | 0.89% | new | NEW |
| Parametric Portfolio Associates LLC | $26.5M | 80,260 | 0.02% | 12q | -5.8%-$1.6M |
| First Trust Capital Management L.P. | $26.4M | 80,027 | 4.00% | new | NEW |
| AMERIPRISE FINANCIAL INC | $26.1M | 79,281 | 0.01% | 12q | -6.6%-$1.8M |
| CITIGROUP INC | $24.6M | 74,447 | 0.01% | 12q | +236.6%+$17.3M |
| Newtyn Management, LLC | $23.1M | 70,000 | 6.16% | 3q | -54.8%-$28.0M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $22.7M | 68,836 | 0.00% | 12q | -63.9%-$40.1M |
| PRELUDE CAPITAL MANAGEMENT, LLC | $22.0M | 34,806 | 0.56% | new | NEW |
| NATIXIS | $21.9M | 66,336 | 0.08% | new | NEW |
| ProShare Advisors LLC | $20.9M | 63,280 | 0.06% | 9q | -67.8%-$44.0M |
| BARDIN HILL MANAGEMENT PARTNERS LP | $19.2M | 58,313 | 3.11% | new | NEW |
| CNH PARTNERS LLC | $19.2M | 58,174 | 0.55% | new | NEW |
| ALLIANCEBERNSTEIN L.P. | $18.5M | 55,980 | 0.01% | 12q | +88.9%+$8.7M |
| GARDNER LEWIS ASSET MANAGEMENT L P | $18.1M | 54,751 | 2.56% | new | NEW |
| JANE STREET GROUP, LLC | $17.3M | 5,971 | 0.01% | 12q | -64.9%-$32.0M |
| UBS OCONNOR LLC | $16.9M | 51,280 | 0.13% | new | NEW |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | $15.7M | 47,688 | 0.10% | new | NEW |
| Legal & General Group Plc | $15.5M | 47,082 | 0.01% | 12q | +1.4%+$217.3K |
| Nuveen Asset Management, LLC | $15.4M | 77,951 | 0.00% | 10q | -41.8%-$11.1M |
| CSS LLC/IL | $15.3M | 6,500 | 0.65% | new | NEW |
| RHUMBLINE ADVISERS | $14.9M | 45,067 | 0.02% | 12q | -14.4%-$2.5M |
| Alyeska Investment Group, L.P. | $14.3M | 43,505 | 0.18% | new | NEW |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | $13.9M | 42,233 | 0.01% | 12q | HELD |
| Invesco Ltd. | $13.9M | 42,199 | 0.00% | 12q | -41.0%-$9.7M |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $13.4M | 40,665 | 0.05% | 12q | +11551.9%+$13.3M |
| Chicago Capital Management, LLC | $13.4M | 40,491 | 6.18% | new | NEW |
| Swiss National Bank | $13.3M | 40,466 | 0.01% | 12q | +0.7%+$98.9K |
| IEQ CAPITAL, LLC | $13.3M | 40,303 | 0.35% | 8q | -13.1%-$2.0M |
| BANK OF AMERICA CORP /DE/ | $12.9M | 39,081 | 0.00% | 12q | +9.3%+$1.1M |
| Public Sector Pension Investment Board | $12.4M | 37,602 | 0.07% | 12q | HELD |
| GABELLI & Co INVESTMENT ADVISERS, INC. | $11.7M | 35,463 | 1.41% | new | NEW |
| DLD Asset Management, LP | $10.7M | 32,564 | 0.78% | new | NEW |
| Silphium Asset Management Ltd | $10.4M | 31,580 | 4.06% | new | NEW |
| GAMCO INVESTORS, INC. ET AL | $10.0M | 30,460 | 0.09% | 12q | +164.9%+$6.3M |
| CREDIT SUISSE AG/ | $9.9M | 29,965 | 0.01% | 12q | -29.7%-$4.2M |
| Polar Asset Management Partners Inc. | $9.7M | 29,368 | 0.10% | new | NEW |
| COWEN AND COMPANY, LLC | $9.5M | 28,848 | 0.45% | new | NEW |
| EULAV Asset Management | $9.5M | 28,800 | 0.25% | 12q | HELD |
| BURNEY CO/ | $9.4M | 28,398 | 0.44% | 2q | +0.9%+$79.1K |
| Candriam Luxembourg S.C.A. | $9.2M | 27,857 | 0.06% | new | NEW |
| Pentwater Capital Management LP | $9.1M | 27,716 | 0.09% | new | NEW |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | $8.9M | 26,903 | 0.02% | 12q | -5.6%-$530.6K |
| Ergoteles LLC | $8.8M | 26,702 | 0.32% | new | NEW |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | $8.8M | 26,576 | 0.16% | new | NEW |
| TWO SIGMA ADVISERS, LP | $8.3M | 25,300 | 0.02% | 12q | +10.0%+$758.5K |
| ROYCE & ASSOCIATES LP | $8.3M | 25,293 | 0.06% | 12q | -33.7%-$4.2M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $8.1M | 24,658 | 0.01% | 12q | +0.6%+$45.2K |
| CLEAR STREET MARKETS LLC | $8.0M | options only | 0.63% | new | OPTIONS |
| UBS ASSET MANAGEMENT AMERICAS INC | $8.0M | 24,145 | 0.00% | 12q | +8.6%+$633.5K |
| WINTON GROUP Ltd | $7.8M | 23,536 | 0.43% | 5q | +692.7%+$6.8M |
| BARCLAYS PLC | $7.6M | 23,041 | 0.00% | 12q | +63.7%+$3.0M |
| BNP PARIBAS ARBITRAGE, SA | $7.4M | 22,340 | 0.01% | 12q | +3.4%+$239.1K |
| SYQUANT CAPITAL SAS | $7.3M | 22,130 | 4.45% | new | NEW |
| LMR Partners LLP | $7.3M | 22,100 | 0.08% | new | NEW |
| Athos Capital Ltd | $7.3M | 22,000 | 1.76% | new | NEW |
| Mirae Asset Global Investments Co., Ltd. | $6.7M | 20,425 | 0.02% | 6q | -1.7%-$114.1K |
| PRUDENTIAL FINANCIAL INC | $6.5M | 19,826 | 0.01% | 12q | -40.3%-$4.4M |
| WELLS FARGO & COMPANY/MN | $6.2M | 12,139 | 0.00% | 12q | -73.8%-$17.6M |
| Walleye Capital LLC | $6.0M | 18,130 | 0.17% | new | NEW |
Showing the largest 100 of 269 reported holders.
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2021 | 269 | $6.4B | 16,318,224 | 86 | 57 | 85 | 15.4% |
| Q2 2021 | 255 | $3.4B | 15,504,391 | 28 | 77 | 85 | 7.7% |
| Q1 2021 | 267 | $3.5B | 15,736,030 | 41 | 84 | 99 | 9.7% |
| Q4 2020 | 283 | $3.7B | 16,653,286 | 43 | 105 | 78 | 10.9% |
| Q3 2020 | 275 | $4.2B | 16,301,633 | 61 | 81 | 84 | 7.3% |
| Q2 2020 | 254 | $3.0B | 15,359,803 | 66 | 71 | 79 | 6.7% |
| Q1 2020 | 224 | $2.2B | 15,286,049 | 50 | 58 | 74 | 7.4% |
| Q4 2019 | 207 | $1.6B | 16,852,266 | 38 | 52 | 67 | 11.1% |
| Q3 2019 | 188 | $1.4B | 16,374,005 | 34 | 45 | 70 | 13.5% |
| Q2 2019 | 177 | $921.9M | 17,269,421 | 20 | 68 | 66 | 15.2% |
| Q1 2019 | 255 | $1.7B | 16,945,214 | 52 | 86 | 76 | 18.4% |
| Q4 2018 | 287 | $3.0B | 17,889,978 | 3 | 7 | 3 | 7.4% |