AcelyrinSLRN
13F holders, Q3 2024 (September 30)122holders +9
20new positions
12sold out
5famous investors
$4.93avg. 13F price*
At the end of Q3 2024, 122 institutions reported holding Acelyrin Inc. (SLRN) in their 13F filings, up 9 from Q2 2024. 20 opened new positions and 12 sold out. The largest holders were T. Rowe Price Investment Management, Inc. ($51.4M), AyurMaya Capital Management Company, LP ($46.0M) and Citadel Advisors ($32.2M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Acelyrin Inc.
- CUSIP
- 00445A100
- Latest filing quarter
- Q2 2025
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $13.3M |
| Exits | 12 | $11.1M |
All 13F filers, Q2 2024 → Q3 2024: 13,414,366 shares bought and 15,470,828 shares sold, net −2,056,462 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 122 holders
| T. Rowe Price Investment Management, Inc. | 0.03% | Add +211.2% | 10,431,846 | $51.4M |
| AyurMaya Capital Management Company, LP | 28.81% | No change | 9,334,735 | $46.0M |
| Citadel Advisors | 0.03% | Reduce -12.0% | 6,523,306 | $32.2M |
| BlackRock, Inc. | 0.00% | — | 5,982,374 | $29.5M |
| Millennium Management | 0.02% | Add +18.2% | 5,487,172 | $27.1M |
| Vanguard Group Inc. | 0.00% | Reduce -14.3% | 4,066,989 | $20.1M |
| Orbimed Advisors LLC | 0.36% | No change | 4,001,711 | $19.7M |
| venBio Partners LLC | 9.77% | No change | 3,852,470 | $19.0M |
| Tybourne Capital Management (hk) Ltd. | 4.02% | No change | 2,906,629 | $14.3M |
| General Atlantic, L.P. | 0.41% | No change | 2,889,668 | $14.2M |
| Blue Owl Capital Holdings LP | 2.68% | Reduce -4.5% | 2,793,946 | $13.8M |
| Samsara Biocapital, LLC | 2.39% | No change | 2,523,022 | $12.4M |
| Opaleye Management Inc. | 1.58% | Add +19.9% | 1,893,660 | $9.3M |
| Palo Alto Investors LP | 1.15% | Add +4.5% | 1,792,895 | $8.8M |
| Morgan Stanley | 0.00% | Add +42.6% | 1,786,453 | $8.8M |
| Siren, L.L.C. | 0.43% | — | 1,729,665 | $8.5M |
| Geode Capital Management, LLC | 0.00% | Add +30.8% | 1,651,614 | $8.1M |
| Jacobs Levy Equity Management, Inc. | 0.03% | Reduce -10.4% | 1,326,391 | $6.5M |
| Stempoint Capital LP | 1.95% | New | 1,317,854 | $6.5M |
| State Street Corp. | 0.00% | Add +10.0% | 1,273,096 | $6.3M |
| RTW Investments, LP | 0.07% | No change | 978,310 | $4.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -67.3% | 850,661 | $4.2M |
| Kynam Capital Management, LP | 0.32% | Add +1.9% | 847,366 | $4.2M |
| Ikarian Capital, LLC | 1.04% | Reduce -54.1% | 677,074 | $3.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +81.4% | 609,678 | $3.0M |
| Northern Trust Corp. | 0.00% | Add +20.6% | 606,921 | $3.0M |
| DAFNA Capital Management LLC | 0.71% | Reduce -13.1% | 602,894 | $3.0M |
| Marshall Wace, LLP | 0.00% | Reduce -5.3% | 572,048 | $2.8M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | Reduce -61.0% | 545,476 | $2.7M |
| Renaissance Technologies | 0.00% | Add +34.5% | 534,818 | $2.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -34.7% | 521,922 | $2.6M |
| Kennedy Capital Management LLC | 0.05% | Reduce -13.3% | 452,770 | $2.2M |
| Acuta Capital Partners, LLC | 1.45% | New | 364,000 | $1.8M |
| Woodline Partners LP | 0.01% | Reduce -82.0% | 357,094 | $1.8M |
| Point72 Asset Management | 0.00% | Add +566.7% | 250,300 | $1.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -8.2% | 236,662 | $1.2M |
| Nuveen Asset Management, LLC | 0.00% | Add +5.6% | 202,239 | $997K |
| Hudson Bay Capital Management LP | 0.01% | New | 200,000 | $986K |
| Acadian Asset Management LLC | 0.00% | Add +43.6% | 192,717 | $948K |
| Bank of America Corp. | 0.00% | Add +224.1% | 178,670 | $881K |
| Bank of New York Mellon Corp | 0.00% | Reduce -21.1% | 176,215 | $869K |
| TD Asset Management Inc | 0.00% | New | 174,380 | $860K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.02% | Add +101.1% | 163,724 | $807K |
| Bank of Montreal | 0.00% | New | 148,635 | $733K |
| Franklin Resources Inc. | 0.00% | Add +36.9% | 128,591 | $716K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -9.2% | 142,693 | $703K |
| Blair William & Co. | 0.00% | No change | 138,595 | $683K |
| FMR LLC | 0.00% | Reduce -97.5% | 117,748 | $580K |
| Verition Fund Management LLC | 0.00% | Add +55.1% | 110,115 | $543K |
| Rhumbline Advisers | 0.00% | Reduce -1.9% | 106,381 | $524K |
| Public Employees Retirement System of Ohio | 0.00% | Add +54.6% | 102,347 | $505K |
| Martingale Asset Management L P | 0.01% | New | 98,284 | $485K |
| Barclays PLC | 0.00% | Add +208.8% | 96,408 | $475K |
| HRT Financial LP | 0.00% | Add +14.5% | 94,805 | $467K |
| Artia Global Partners LP | 0.13% | New | 93,114 | $459K |
| Jane Street Group, LLC | 0.00% | Reduce -56.0% | 89,800 | $443K |
| Squarepoint Ops LLC | 0.00% | Add +6.8% | 83,345 | $411K |
| Two Sigma Advisers, LP | 0.00% | Reduce -59.0% | 82,100 | $405K |
| PDT Partners, LLC | 0.04% | Reduce -22.4% | 80,544 | $397K |
| Shay Capital LLC | 0.11% | Add +44.0% | 78,500 | $387K |
| Alps Advisors Inc. | 0.00% | Reduce -0.0% | 77,246 | $381K |
| Prudential Financial Inc. | 0.00% | Add +24.9% | 76,730 | $378K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -8.3% | 76,040 | $375K |
| Alliancebernstein L.P. | 0.00% | No change | 73,670 | $363K |
| Polar Asset Management Partners Inc. | 0.01% | Reduce -67.8% | 71,700 | $353K |
| Algert Global LLC | 0.01% | New | 64,830 | $320K |
| Citigroup Inc. | 0.00% | Add +72.3% | 54,932 | $271K |
| ADAR1 Capital Management, LLC | 0.04% | Add +5.9% | 53,500 | $264K |
| Tudor Investment Corporation | 0.00% | New | 48,391 | $239K |
| Deutsche Bank AG | 0.00% | Add +38.0% | 45,644 | $225K |
| STRS Ohio | 0.00% | No change | 44,300 | $218K |
| Balyasny Asset Management L.P. | 0.00% | Add +20.6% | 43,868 | $216K |
| MetLife Investment Management, LLC | 0.00% | No change | 42,852 | $211K |
| Wells Fargo & Company | 0.00% | Add +24.6% | 42,682 | $210K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +7.1% | 40,084 | $198K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.6% | 39,028 | $192K |
| UBS Group AG | 0.00% | Add +29.4% | 38,806 | $191K |
| Thrivent Financial for Lutherans | 0.00% | No change | 37,341 | $184K |
| Virtus Investment Advisers, LLC | 0.14% | New | 35,700 | $176K |
| AJOVista, LLC | 0.74% | New | 35,084 | $173K |
| American Century Companies Inc. | 0.00% | New | 32,066 | $158K |
| Prelude Capital Management, LLC | 0.01% | Reduce -48.6% | 29,426 | $145K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.2% | 28,805 | $142K |
| Susquehanna International Group, LLP | 0.00% | Reduce -13.4% | 28,136 | $139K |
| SG Americas Securities, LLC | 0.00% | Add +129.6% | 26,755 | $132K |
| Voya Investment Management LLC | 0.00% | Add +0.0% | 25,023 | $123K |
| Almitas Capital LLC | 0.04% | Reduce -93.5% | 24,519 | $121K |
| T. Rowe Price Associates Inc. | 0.00% | Add +2.3% | 23,472 | $116K |
| Invesco Ltd. | 0.00% | Reduce -4.7% | 22,989 | $113K |
| New York State Common Retirement Fund | 0.00% | Reduce -39.0% | 22,817 | $112K |
| Virtus Advisers, LLC | 0.05% | Add +1.8% | 21,138 | $104K |
| ProShare Advisors LLC | 0.00% | Add +24.3% | 19,690 | $97K |
| Ausdal Financial Partners, Inc. | 0.01% | No change | 19,300 | $95K |
| Boothbay Fund Management, LLC | 0.00% | Reduce -54.1% | 19,274 | $95K |
| Cubist Systematic Strategies, LLC | 0.00% | Reduce -78.6% | 19,252 | $95K |
| China Universal Asset Management Co., Ltd. | 0.01% | Add +65.0% | 19,196 | $95K |
| Simplex Trading, LLC | 0.00% | New | 19,200 | $94K |
| US Bancorp \de | 0.00% | Add +77.1% | 16,854 | $83K |
| Group One Trading LLC | 0.00% | New | 15,619 | $77K |
| Intech Investment Management LLC | 0.00% | New | 15,547 | $77K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -0.2% | 14,055 | $69K |
| Man Group plc | 0.00% | New | 13,615 | $67K |
| Sei Investments Co. | 0.00% | New | 10,782 | $53K |
| Virtu Financial LLC | 0.00% | New | 10,080 | $50K |
| HighTower Advisors, LLC | 0.00% | New | 10,228 | $50K |
| Royal Bank of Canada | 0.00% | Add +4.7% | 8,500 | $42K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 7,243 | $36K |
| Legal & General Group Plc | 0.00% | Add +11.3% | 6,625 | $33K |
| California State Teachers Retirement System | 0.00% | No change | 5,289 | $26K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -63.3% | 3,926 | $19K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +22.1% | 3,610 | $18K |
| Amalgamated Bank | 0.00% | No change | 2,452 | $12K |
| Bfsg, LLC | 0.00% | No change | 1,900 | $9K |
| Daiwa Securities Group Inc. | 0.00% | No change | 398 | $2K |
| Sterling Capital Management LLC | 0.00% | — | 232 | $1K |
| Cwm, LLC | 0.00% | Add +7.7% | 167 | $1K |
| Arax Advisory Partners | 0.00% | No change | 185 | $913 |
| Clearstead Advisors, LLC | 0.00% | No change | 114 | $563 |
| Earned Wealth Advisors, LLC | 0.00% | New | 102 | $503 |
| Rothschild Investment LLC | 0.00% | Add +133.3% | 70 | $345 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 53 | $261 |
| Federated Hermes, Inc. | 0.00% | Reduce -99.9% | 3 | $15 |
"% of holder's portfolio" is SLRN's weight in each manager's 13F, not the share of Acelyrin Inc. the manager owns.