$15.81
+1.90 (+13.66%)
USD · as of 2026-08-19 · marketstack
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | Merck & Co., Inc. | 14,044,94314.0M | $89M | 13.42% | — |
| 2 | LIGHTSPEED MANAGEMENT COMPANY, L.L.C. | 8,160,7348.2M | $52M | 7.80% | — |
| 3 | ARK Investment Management LLC | 7,944,1127.9M | $51M | 7.59% | — |
| 4 | AMERIPRISE FINANCIAL INC | 7,592,8077.6M | $48M | 7.26% | ADD 21% |
| 5 | BlackRock, Inc. | 5,389,8855.4M | $34M | 5.15% | — |
| 6 | T. Rowe Price Investment Management, Inc. | 4,758,0914.8M | $30M | 4.55% | TRIM -63% |
| 7 | Aberdeen Group plc | 3,488,3083.5M | $22M | 3.33% | ADD 7% |
| 8 | Deep Track Capital, LP | 3,000,0003.0M | $19M | 2.87% | NEW† |
| 9 | AIGH Capital Management LLC | 2,900,0002.9M | $18M | 2.77% | — |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 2,868,4632.9M | $18M | 2.74% | NEW† |
| 11 | KENNEDY CAPITAL MANAGEMENT LLC | 2,183,5722.2M | $14M | 2.09% | ADD 27% |
| 12 | Blue Water Life Science Advisors, LP | 1,676,3001.7M | $11M | 1.60% | — |
| 13 | PRICE T ROWE ASSOCIATES INC /MD/ | 1,650,1411.7M | $11M | 1.58% | ADD 14% |
| 14 | Casdin Capital, LLC | 1,600,0001.6M | $10M | 1.53% | NEW |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1,297,6551.3M | $8M | 1.24% | — |
| 16 | STATE STREET CORP | 1,134,1701.1M | $7M | 1.08% | ADD 8% |
| 17 | DIMENSIONAL FUND ADVISORS LP | 1,066,2481.1M | $7M | 1.02% | ADD 8% |
| 18 | PFM Health Sciences, LP | 870,097870,097 | $6M | 0.83% | ADD 8% |
| 19 | GOLDMAN SACHS GROUP INC | 737,132737,132 | $5M | 0.70% | ADD 115% |
| 20 | Portolan Capital Management, LLC | 736,713736,713 | $5M | 0.70% | ADD 94% |
| 21 | JPMORGAN CHASE & CO | 575,490575,490 | $4M | 0.55% | ADD 2054% |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | 560,539560,539 | $4M | 0.54% | NEW |
| 23 | HOWLAND CAPITAL MANAGEMENT LLC | 547,115547,115 | $3M | 0.52% | — |
| 24 | STATE OF MICHIGAN RETIREMENT SYSTEM | 493,798493,798 | $3M | 0.47% | — |
| 25 | Sumitomo Mitsui Trust Group, Inc. | 484,270484,270 | $3M | 0.46% | TRIM -7% |
| 26 | Amova Asset Management Americas, Inc. | 484,270484,270 | $3M | 0.46% | TRIM -7% |
| 27 | MILLENNIUM MANAGEMENT LLC | 419,128419,128 | $3M | 0.40% | NEW |
| 28 | NORTHERN TRUST CORP | 405,800405,800 | $3M | 0.39% | ADD 14% |
| 29 | UBS Group AG | 383,503383,503 | $2M | 0.37% | ADD 25% |
| 30 | Nuveen, LLC | 343,520343,520 | $2M | 0.33% | ADD 11% |
| 31 | Wellington Shields Capital Management, LLC | 339,733339,733 | $2M | 0.32% | — |
| 32 | VANGUARD FIDUCIARY TRUST CO | 339,508339,508 | $2M | 0.32% | NEW |
| 33 | IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 323,374323,374 | $2M | 0.31% | ADD 21% |
| 34 | Balyasny Asset Management L.P. | 308,696308,696 | $2M | 0.30% | NEW |
| 35 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 300,000300,000 | $2M | 0.29% | NEW |
| 36 | Wellington Shields & Co., LLC | 292,489292,489 | $2M | 0.28% | — |
| 37 | Swiss Life Asset Management Ltd | 30,11630,116 | $2M | 0.03% | NEW |
| 38 | PERKINS CAPITAL MANAGEMENT INC | 239,000239,000 | $2M | 0.23% | — |
| 39 | MORGAN STANLEY | 237,315237,315 | $2M | 0.23% | ADD 6% |
| 40 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | 235,000235,000 | $1M | 0.22% | TRIM -19% |
| 41 | Bruce & Co., Inc. | 233,000233,000 | $1M | 0.22% | — |
| 42 | FIRST MANHATTAN CO. LLC. | 230,600230,600 | $1M | 0.22% | TRIM -38% |
| 43 | TUDOR INVESTMENT CORP ET AL | 209,826209,826 | $1M | 0.20% | NEW |
| 44 | HRT FINANCIAL LP | 208,891208,891 | $1M | 0.20% | ADD 114% |
| 45 | ROYCE & ASSOCIATES LP | 156,036156,036 | $993,949 | 0.15% | NEW |
| 46 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 149,336149,336 | $951,270 | 0.14% | ADD 382% |
| 47 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 144,626144,626 | $921,268 | 0.14% | TRIM -9% |
| 48 | SEI INVESTMENTS CO | 139,046139,046 | $885,723 | 0.13% | ADD 148% |
| 49 | Williams Jones Wealth Management, LLC. | 134,072134,072 | $854,039 | 0.13% | — |
| 50 | LPL Financial LLC | 132,012132,012 | $840,916 | 0.13% | — |
| 51 | Bank of New York Mellon Corp | 124,641124,641 | $793,965 | 0.12% | — |
| 52 | AMERICAN CENTURY COMPANIES INC | 114,683114,683 | $730,531 | 0.11% | — |
| 53 | BANK OF AMERICA CORP /DE/ | 111,306111,306 | $709,019 | 0.11% | ADD 85% |
| 54 | TD Asset Management Inc | 105,678105,678 | $673,169 | 0.10% | TRIM -61% |
| 55 | Swiss National Bank | 105,400105,400 | $671,398 | 0.10% | NEW |
| 56 | Russell Investments Group, Ltd. | 101,937101,937 | $649,338 | 0.10% | ADD 2336% |
| 57 | TWO SIGMA INVESTMENTS, LP | 90,71190,711 | $577,829 | 0.09% | ADD 179% |
| 58 | GSA CAPITAL PARTNERS LLP | 82,17582,175 | $523,000 | 0.08% | NEW |
| 59 | ROYAL BANK OF CANADA | 78,74278,742 | $502,000 | 0.08% | — |
| 60 | Janney Montgomery Scott LLC | 75,00075,000 | $478,000 | 0.07% | ADD 150% |
| 61 | Green Alpha Advisors, LLC | 66,40966,409 | $423,025 | 0.06% | TRIM -3% |
| 62 | Aquatic Capital Management LLC | 64,26964,269 | $409,394 | 0.06% | NEW |
| 63 | AlphaCentric Advisors LLC | 64,03264,032 | $407,884 | 0.06% | ADD 34% |
| 64 | RHUMBLINE ADVISERS | 63,11163,111 | $402,006 | 0.06% | — |
| 65 | Invesco Ltd. | 62,74562,745 | $399,686 | 0.06% | ADD 57% |
| 66 | FMR LLC | 62,68662,686 | $399,310 | 0.06% | ADD 1749% |
| 67 | Susquehanna Portfolio Strategies, LLC | 61,29261,292 | $390,430 | 0.06% | — |
| 68 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 58,97258,972 | $375,652 | 0.06% | ADD 4% |
| 69 | BARCLAYS PLC | 51,57751,577 | $328,544 | 0.05% | TRIM -57% |
| 70 | Quadrature Capital Ltd | 38,72238,722 | $246,659 | 0.04% | NEW |
| 71 | Pathstone Holdings, LLC | 38,44938,449 | $244,920 | 0.04% | — |
| 72 | ALLIANCEBERNSTEIN L.P. | 28,70028,700 | $228,452 | 0.03% | — |
| 73 | VANGUARD ASSET MANAGEMENT, Ltd | 35,51735,517 | $226,243 | 0.03% | NEW |
| 74 | Vanguard Global Advisers, LLC | 34,98034,980 | $222,823 | 0.03% | NEW |
| 75 | DEUTSCHE BANK AG\ | 34,89934,899 | $222,307 | 0.03% | TRIM -10% |
| 76 | Virtu Financial LLC | 34,43434,434 | $219,000 | 0.03% | NEW |
| 77 | Cerity Partners LLC | 34,10034,100 | $217,217 | 0.03% | NEW |
| 78 | Zurcher Kantonalbank (Zurich Cantonalbank) | 31,12631,126 | $198,273 | 0.03% | ADD 2361% |
| 79 | JANUS HENDERSON GROUP PLC | 30,20030,200 | $191,921 | 0.03% | NEW |
| 80 | WELLS FARGO & COMPANY/MN | 28,97528,975 | $184,571 | 0.03% | TRIM -55% |
| 81 | MetLife Investment Management, LLC | 28,00228,002 | $178,373 | 0.03% | ADD 50% |
| 82 | Legal & General Group Plc | 27,69827,698 | $176,437 | 0.03% | ADD 506% |
| 83 | Bridgefront Capital, LLC | 25,64325,643 | $163,346 | 0.02% | NEW |
| 84 | ADAR1 Capital Management, LLC | 25,00025,000 | $159,250 | 0.02% | NEW |
| 85 | CAPTRUST FINANCIAL ADVISORS | 23,53323,533 | $149,905 | 0.02% | NEW |
| 86 | Persistent Asset Partners Ltd | 20,92920,929 | $133,318 | 0.02% | NEW |
| 87 | China Universal Asset Management Co., Ltd. | 18,56818,568 | $118,278 | 0.02% | ADD 28% |
| 88 | Tower Research Capital LLC (TRC) | 18,12818,128 | $115,476 | 0.02% | ADD 2233% |
| 89 | SG Americas Securities, LLC | 17,73117,731 | $113,000 | 0.02% | TRIM -60% |
| 90 | AQR CAPITAL MANAGEMENT LLC | 17,42217,422 | $110,978 | 0.02% | ADD 70% |
| 91 | US BANCORP \DE\ | 17,34417,344 | $110,481 | 0.02% | TRIM -14% |
| 92 | Vanguard Investments Australia, Ltd. | 16,11316,113 | $102,640 | 0.02% | NEW |
| 93 | XTX Topco Ltd | 16,03516,035 | $102,143 | 0.02% | TRIM -59% |
| 94 | NEW YORK STATE COMMON RETIREMENT FUND | 15,80015,800 | $100,646 | 0.02% | — |
| 95 | Creative Planning | 15,74815,748 | $100,315 | 0.02% | — |
| 96 | RENAISSANCE TECHNOLOGIES LLC | 15,20015,200 | $96,824 | 0.01% | TRIM -84% |
| 97 | ARIZONA STATE RETIREMENT SYSTEM | 14,63514,635 | $93,225 | 0.01% | NEW |
| 98 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 14,17914,179 | $90,320 | 0.01% | TRIM -10% |
| 99 | BNP PARIBAS FINANCIAL MARKETS | 13,63413,634 | $86,849 | 0.01% | — |
| 100 | Scientech Research LLC | 13,57513,575 | $86,473 | 0.01% | ADD 9% |
† NEW this big is usually a rename.
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| Deep Track Capital, LP | +3,000,000 | $19M | OPEN |
| VANGUARD CAPITAL MANAGEMENT LLC | +2,868,463 | $18M | OPEN |
| Casdin Capital, LLC | +1,600,000 | $10M | OPEN |
| AMERIPRISE FINANCIAL INC | +1,305,656 | $8M | ADD |
| VANGUARD PORTFOLIO MANAGEMENT LLC | +560,539 | $4M | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | −7,960,236 | $51M | TRIM |
| VANGUARD GROUP INC | −3,253,797 | $21M | CLOSE |
| NEXT CENTURY GROWTH INVESTORS LLC | −624,363 | $4M | CLOSE |
| ORACLE INVESTMENT MANAGEMENT INC | −339,343 | $2M | CLOSE |
| JANE STREET GROUP, LLC | −171,166 | $1M | CLOSE |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| Merck & Co., Inc. | 14.0M | 14.0M | 14.0M | 14.0M | 14.0M | 14.0M | $89M |
| LIGHTSPEED MANAGEMENT COMPANY, L.L.C. | 8.2M | 8.2M | 8.2M | 8.2M | 8.2M | 8.2M | $52M |
| ARK Investment Management LLC | 6.8M | 7.2M | 7.1M | 7.9M | 7.9M | 7.9M | $51M |
| AMERIPRISE FINANCIAL INC | 34K | 26K | 330K | 299K | 6.3M | 7.6M | $48M |
| BlackRock, Inc. | 3.0M | 3.0M | 5.2M | 5.6M | 5.3M | 5.4M | $34M |
| T. Rowe Price Investment Management, Inc. | — | — | 1.3M | 2.9M | 12.7M | 4.8M | $30M |
| Aberdeen Group plc | 298K | 1.7M | 1.8M | 2.4M | 3.2M | 3.5M | $22M |
| Deep Track Capital, LP | — | — | — | — | — | 3.0M | $19M |
| AIGH Capital Management LLC | 3.8M | 4.0M | 3.7M | 3.9M | 2.9M | 2.9M | $18M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 2.9M | $18M |
| KENNEDY CAPITAL MANAGEMENT LLC | — | 604K | 653K | 1.9M | 1.7M | 2.2M | $14M |
| Blue Water Life Science Advisors, LP | 1.1M | 1.2M | 1.7M | 1.7M | 1.7M | 1.7M | $11M |
| PRICE T ROWE ASSOCIATES INC /MD/ | 95K | 85K | 101K | 101K | 1.4M | 1.7M | $11M |
| Casdin Capital, LLC | — | — | — | — | — | 1.6M | $10M |
| GEODE CAPITAL MANAGEMENT, LLC | 498K | 514K | 1.4M | 1.3M | 1.3M | 1.3M | $8M |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
“Merger Agreement Following conclusion of confidential preliminary discussions between the Issuer and Tempus, and in response to the Issuer's request for Tempus to submit a proposal, on July 19, 2026, Tempus submitted a non-binding proposal to acquire all of the outstanding Common Stock of the Issuer. On July 20, 2026, Tempus entered into an Agreement and Plan of Merger (the "Merger Agreement") with the Issuer, Aviary Development, Inc., a Delaware corporation and a direct, wholly owned subsidiary”
SEC Schedule 13D/G XML · group aggregate.