$54.13
+0.60 (+1.12%)
USD · as of 2026-08-19 · marketstack
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | FMR LLC | 8,403,4498.4M | $405M | 3.95% | TRIM -4% |
| 2 | WELLINGTON MANAGEMENT GROUP LLP | 7,260,2877.3M | $350M | 3.42% | — |
| 3 | Avoro Capital Advisors LLC | 6,555,5556.6M | $316M | 3.08% | — |
| 4 | JANUS HENDERSON GROUP PLC | 5,354,9815.4M | $258M | 2.52% | ADD 5% |
| 5 | Deep Track Capital, LP | 4,279,8484.3M | $206M | 2.01% | ADD 4% |
| 6 | BVF INC/IL | 3,459,3583.5M | $167M | 1.63% | — |
| 7 | MORGAN STANLEY | 2,305,4572.3M | $111M | 1.08% | ADD 10% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | 2,000,6962.0M | $96M | 0.94% | ADD 20% |
| 9 | PRINCIPAL FINANCIAL GROUP INC | 1,753,7641.8M | $85M | 0.83% | ADD 37% |
| 10 | Driehaus Capital Management LLC | 1,577,3561.6M | $76M | 0.74% | TRIM -4% |
| 11 | ORBIMED ADVISORS LLC | 1,475,4031.5M | $71M | 0.69% | ADD 27% |
| 12 | AMERICAN CENTURY COMPANIES INC | 1,438,0311.4M | $69M | 0.68% | ADD 184% |
| 13 | BAKER BROS. ADVISORS LP | 1,432,5291.4M | $69M | 0.67% | — |
| 14 | Siren, L.L.C. | 1,328,6981.3M | $64M | 0.63% | ADD 23% |
| 15 | Casdin Capital, LLC | 1,175,0001.2M | $57M | 0.55% | — |
| 16 | CAPITOLIS LIQUID GLOBAL MARKETS LLC | 1,151,3001.2M | $55M | 0.54% | NEW |
| 17 | ALLIANCEBERNSTEIN L.P. | 638,813638,813 | $44M | 0.30% | TRIM -25% |
| 18 | DEERFIELD MANAGEMENT COMPANY, L.P. | 767,993767,993 | $37M | 0.36% | — |
| 19 | Pacific Heights Asset Management LLC | 750,000750,000 | $36M | 0.35% | ADD 7% |
| 20 | Rock Springs Capital Management LP | 640,217640,217 | $31M | 0.30% | TRIM -14% |
| 21 | Paradigm Biocapital Advisors LP | 545,287545,287 | $26M | 0.26% | NEW |
| 22 | FRANKLIN RESOURCES INC | 531,595531,595 | $26M | 0.25% | TRIM -39% |
| 23 | Logos Global Management LP | 500,000500,000 | $24M | 0.24% | TRIM -17% |
| 24 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 467,800467,800 | $23M | 0.22% | — |
| 25 | BlackRock, Inc. | 441,975441,975 | $21M | 0.21% | ADD 3% |
| 26 | STEMPOINT CAPITAL LP | 400,534400,534 | $19M | 0.19% | ADD 14% |
| 27 | Aberdeen Group plc | 391,809391,809 | $19M | 0.18% | ADD 48% |
| 28 | DEUTSCHE BANK AG\ | 331,867331,867 | $16M | 0.16% | TRIM -61% |
| 29 | NATIONAL BANK OF CANADA /FI/ | 305,400305,400 | $15M | 0.14% | ADD 15% |
| 30 | Balyasny Asset Management L.P. | 304,934304,934 | $15M | 0.14% | ADD 41% |
| 31 | GOLDMAN SACHS GROUP INC | 260,543260,543 | $13M | 0.12% | ADD 16% |
| 32 | Catalio Capital Management, LP | 255,379255,379 | $12M | 0.12% | — |
| 33 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 254,969254,969 | $12M | 0.12% | — |
| 34 | SEB Asset Management AB | 245,043245,043 | $12M | 0.12% | NEW |
| 35 | Pentwater Capital Management LP | 245,000245,000 | $12M | 0.12% | NEW |
| 36 | Parkman Healthcare Partners LLC | 232,093232,093 | $11M | 0.11% | ADD 322% |
| 37 | BANK OF AMERICA CORP /DE/ | 227,132227,132 | $11M | 0.11% | ADD 617% |
| 38 | AMERIPRISE FINANCIAL INC | 219,516219,516 | $11M | 0.10% | TRIM -23% |
| 39 | UBS Group AG | 212,919212,919 | $10M | 0.10% | ADD 5% |
| 40 | Sio Capital Management, LLC | 209,093209,093 | $10M | 0.10% | ADD 4% |
| 41 | D. E. Shaw & Co., Inc. | 204,790204,790 | $10M | 0.10% | ADD 2275% |
| 42 | TD Asset Management Inc | 204,762204,762 | $10M | 0.10% | ADD 17% |
| 43 | JPMORGAN CHASE & CO | 212,803212,803 | $9M | 0.10% | ADD 1543% |
| 44 | Woodline Partners LP | 190,808190,808 | $9M | 0.09% | ADD 54% |
| 45 | ArrowMark Colorado Holdings LLC | 188,195188,195 | $9M | 0.09% | TRIM -31% |
| 46 | TWO SIGMA INVESTMENTS, LP | 181,415181,415 | $9M | 0.09% | ADD 90% |
| 47 | Cormorant Asset Management, LP | 175,000175,000 | $8M | 0.08% | NEW |
| 48 | MILLENNIUM MANAGEMENT LLC | 168,931168,931 | $8M | 0.08% | ADD 11% |
| 49 | Schonfeld Strategic Advisors LLC | 165,426165,426 | $8M | 0.08% | ADD 1796% |
| 50 | Holocene Advisors, LP | 159,009159,009 | $8M | 0.07% | NEW |
| 51 | TCG Crossover Management, LLC | 140,411140,411 | $7M | 0.07% | TRIM -85% |
| 52 | Eversept Partners, LP | 138,036138,036 | $7M | 0.06% | ADD 8% |
| 53 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 134,015134,015 | $6M | 0.06% | ADD 62% |
| 54 | NEXTBio Capital Management LP | 133,239133,239 | $6M | 0.06% | ADD 41% |
| 55 | HSG Holding Ltd | 266,062266,062 | $6M | 0.13% | — |
| 56 | Rhenman & Partners Asset Management AB | 128,100128,100 | $6M | 0.06% | TRIM -13% |
| 57 | B Group, Inc. | 127,500127,500 | $6M | 0.06% | ADD 42% |
| 58 | Davern Capital Partners, LP | 126,461126,461 | $6M | 0.06% | NEW |
| 59 | PFM Health Sciences, LP | 126,383126,383 | $6M | 0.06% | ADD 85% |
| 60 | HighVista Strategies LLC | 123,909123,909 | $6M | 0.06% | TRIM -36% |
| 61 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 114,814114,814 | $6M | 0.05% | ADD 19% |
| 62 | Universal- Beteiligungs- und Servicegesellschaft mbH | 109,638109,638 | $5M | 0.05% | ADD 32% |
| 63 | Trexquant Investment LP | 107,884107,884 | $5M | 0.05% | ADD 20% |
| 64 | Jump Financial, LLC | 107,857107,857 | $5M | 0.05% | NEW |
| 65 | SCHRODER INVESTMENT MANAGEMENT GROUP | 118,225118,225 | $5M | 0.06% | NEW |
| 66 | Jones Hill Capital LP | 100,593100,593 | $5M | 0.05% | NEW |
| 67 | Birchview Capital, LP | 100,000100,000 | $5M | 0.05% | ADD 11% |
| 68 | PEREGRINE CAPITAL MANAGEMENT LLC | 97,11797,117 | $5M | 0.05% | ADD 15% |
| 69 | Soleus Capital Management, L.P. | 80,00080,000 | $4M | 0.04% | TRIM -11% |
| 70 | TUDOR INVESTMENT CORP ET AL | 75,30175,301 | $4M | 0.04% | ADD 115% |
| 71 | Boxer Capital Management, LLC | 75,00075,000 | $4M | 0.04% | — |
| 72 | Qube Research & Technologies Ltd | 73,59973,599 | $4M | 0.03% | NEW |
| 73 | DIADEMA PARTNERS LP | 72,23472,234 | $3M | 0.03% | NEW |
| 74 | Avidity Partners Management LP | 78,00078,000 | $3M | 0.04% | NEW |
| 75 | MARSHALL WACE, LLP | 69,10769,107 | $3M | 0.03% | TRIM -59% |
| 76 | GEODE CAPITAL MANAGEMENT, LLC | 67,86267,862 | $3M | 0.03% | ADD 23% |
| 77 | PLATINUM INVESTMENT MANAGEMENT LTD | 66,86466,864 | $3M | 0.03% | TRIM -24% |
| 78 | Jefferies Financial Group Inc. | 62,59262,592 | $3M | 0.03% | TRIM -39% |
| 79 | Susquehanna Portfolio Strategies, LLC | 60,51760,517 | $3M | 0.03% | TRIM -11% |
| 80 | Burkehill Global Management, LP | 60,00060,000 | $3M | 0.03% | — |
| 81 | ALPS ADVISORS INC | 57,66757,667 | $3M | 0.03% | ADD 16% |
| 82 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 55,84255,842 | $3M | 0.03% | ADD 521% |
| 83 | RENAISSANCE TECHNOLOGIES LLC | 55,80055,800 | $3M | 0.03% | TRIM -52% |
| 84 | SPHERA FUNDS MANAGEMENT LTD. | 50,80050,800 | $2M | 0.02% | ADD 24% |
| 85 | Monashee Investment Management LLC | 50,00050,000 | $2M | 0.02% | TRIM -78% |
| 86 | SEVEN GRAND MANAGERS, LLC | 50,00050,000 | $2M | 0.02% | — |
| 87 | Buckland Partners Management Co LLC | 50,00050,000 | $2M | 0.02% | — |
| 88 | BANQUE PICTET & CIE SA | 49,36749,367 | $2M | 0.02% | TRIM -18% |
| 89 | STATE STREET CORP | 47,58147,581 | $2M | 0.02% | — |
| 90 | Pier Capital, LLC | 47,55147,551 | $2M | 0.02% | TRIM -2% |
| 91 | DAFNA Capital Management LLC | 46,50046,500 | $2M | 0.02% | ADD 26% |
| 92 | Brevan Howard Capital Management LP | 47,26647,266 | $2M | 0.02% | TRIM -45% |
| 93 | ANTIPODES PARTNERS Ltd | 45,36145,361 | $2M | 0.02% | TRIM -2% |
| 94 | RAYMOND JAMES FINANCIAL INC | 45,13945,139 | $2M | 0.02% | — |
| 95 | OSAIC HOLDINGS, INC. | 44,41644,416 | $2M | 0.02% | TRIM -25% |
| 96 | VOYA INVESTMENT MANAGEMENT LLC | 44,41044,410 | $2M | 0.02% | TRIM -20% |
| 97 | BANK OF MONTREAL /CAN/ | 39,98439,984 | $2M | 0.02% | TRIM -26% |
| 98 | Headlands Technologies LLC | 37,15637,156 | $2M | 0.02% | TRIM -15% |
| 99 | FLAX POND CAPITAL, LLC | 36,00036,000 | $2M | 0.02% | TRIM -26% |
| 100 | PSquared Asset Management AG | 35,00035,000 | $2M | 0.02% | NEW |
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| CAPITOLIS LIQUID GLOBAL MARKETS LLC | +1,151,300 | $55M | OPEN |
| AMERICAN CENTURY COMPANIES INC | +931,072 | $45M | ADD |
| Paradigm Biocapital Advisors LP | +545,287 | $26M | OPEN |
| PRINCIPAL FINANCIAL GROUP INC | +469,554 | $23M | ADD |
| PRICE T ROWE ASSOCIATES INC /MD/ | +329,558 | $16M | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| Capitolis Liquid Global Markets LLC | −878,300 | $42M | CLOSE |
| TCG Crossover Management, LLC | −780,446 | $38M | TRIM |
| CITADEL ADVISORS LLC | −772,518 | $37M | CLOSE |
| DEUTSCHE BANK AG\ | −509,295 | $25M | TRIM |
| FARALLON CAPITAL MANAGEMENT LLC | −454,000 | $22M | 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 |
|---|---|---|---|---|---|---|---|
| FMR LLC | 6.1M | 5.9M | 4.9M | 5.3M | 8.7M | 8.4M | $405M |
| WELLINGTON MANAGEMENT GROUP LLP | 7.8M | 7.8M | 6.9M | 5.7M | 7.1M | 7.3M | $350M |
| Avoro Capital Advisors LLC | — | — | — | 5.2M | 6.6M | 6.6M | $316M |
| JANUS HENDERSON GROUP PLC | 4.2M | 4.4M | 4.6M | 4.4M | 5.1M | 5.4M | $258M |
| Deep Track Capital, LP | 2.8M | 4.1M | 5.1M | 4.2M | 4.1M | 4.3M | $206M |
| BVF INC/IL | 1.8M | 1.8M | 1.8M | 3.2M | 3.5M | 3.5M | $167M |
| MORGAN STANLEY | 387K | 692K | 917K | 578K | 2.1M | 2.3M | $111M |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.4M | 777K | 353K | 289K | 1.7M | 2.0M | $96M |
| PRINCIPAL FINANCIAL GROUP INC | 791K | 757K | 853K | 787K | 1.3M | 1.8M | $85M |
| Driehaus Capital Management LLC | 2.1M | 1.3M | 673K | 874K | 1.6M | 1.6M | $76M |
| ORBIMED ADVISORS LLC | 652K | 652K | 1.2M | 1.1M | 1.2M | 1.5M | $71M |
| AMERICAN CENTURY COMPANIES INC | 613K | 510K | 491K | 487K | 507K | 1.4M | $69M |
| BAKER BROS. ADVISORS LP | 362K | 362K | 2.5M | 1.6M | 1.4M | 1.4M | $69M |
| Siren, L.L.C. | — | — | — | 1.0M | 1.1M | 1.3M | $64M |
| Casdin Capital, LLC | 700K | 700K | 1.2M | 1.6M | 1.2M | 1.2M | $57M |
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.
| Holder | % of class | Type | As of | |
|---|---|---|---|---|
| FMR LLC | 13.2% | Passive | 2026-06-30 | SEC → |
SEC Schedule 13D/G XML · group aggregate.