AcelyrinSLRN
13F holders, Q1 2024 (March 31)109holders
4famous investors
$6.75avg. 13F price*
At the end of Q1 2024, 109 institutions reported holding Acelyrin Inc. (SLRN) in their 13F filings. The largest holders were AyurMaya Capital Management Company, LP ($63.0M), FMR LLC ($47.8M) and Citadel Advisors ($47.4M). 4 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 Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $62.7M |
| Exits | 26 | $46.0M |
Ownership 109 holders
| AyurMaya Capital Management Company, LP | 100.00% | No change | 9,334,735 | $63.0M |
| FMR LLC | 0.00% | Reduce -19.8% | 7,079,210 | $47.8M |
| Citadel Advisors | 0.05% | Add +8.6% | 7,028,837 | $47.4M |
| Vanguard Group Inc. | 0.00% | Add +1.3% | 6,237,543 | $42.1M |
| BlackRock Inc. | 0.00% | Add +64.8% | 4,792,730 | $32.4M |
| Millennium Management | 0.02% | New | 4,013,528 | $27.1M |
| Orbimed Advisors LLC | 0.50% | No change | 4,001,711 | $27.0M |
| venBio Partners LLC | 9.23% | No change | 3,852,470 | $26.0M |
| Adage Capital Partners Gp, L.L.C. | 0.04% | Add +1722.2% | 3,280,000 | $22.1M |
| Tybourne Capital Management (hk) Ltd. | 3.35% | No change | 2,906,629 | $19.6M |
| General Atlantic, L.P. | 0.45% | No change | 2,889,668 | $19.5M |
| Blue Owl Capital Holdings LP | 3.81% | Add +23.3% | 2,826,028 | $19.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -18.7% | 2,591,804 | $17.5M |
| Samsara Biocapital, LLC | 2.63% | No change | 2,523,022 | $17.0M |
| Artal Group S.A. | 0.42% | Reduce -20.8% | 2,405,143 | $16.2M |
| T. Rowe Price Investment Management, Inc. | 0.01% | New | 2,119,591 | $14.3M |
| Franklin Resources Inc. | 0.00% | Add +153.7% | 2,044,121 | $13.8M |
| Palo Alto Investors LP | 1.31% | New | 1,715,180 | $11.6M |
| Opaleye Management Inc. | 2.34% | Reduce -61.9% | 1,580,000 | $10.7M |
| Ikarian Capital, LLC | 2.87% | Reduce -21.4% | 1,564,340 | $10.6M |
| Geode Capital Management, LLC | 0.00% | Add +58.9% | 1,229,995 | $8.3M |
| State Street Corp. | 0.00% | Add +69.7% | 1,128,320 | $7.6M |
| Woodline Partners LP | 0.06% | Add +7.7% | 1,021,204 | $6.9M |
| RTW Investments, LP | 0.10% | No change | 978,310 | $6.6M |
| Venrock Adviser, LLC | 0.30% | No change | 937,113 | $6.3M |
| Eagle Asset Management Inc. | 0.03% | Add +163.8% | 946,521 | $6.3M |
| Barclays PLC | 0.00% | Add +1502.9% | 793,170 | $5.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -32.4% | 755,900 | $5.1M |
| Stempoint Capital LP | 1.29% | Add +21.7% | 714,773 | $4.8M |
| Morgan Stanley | 0.00% | Reduce -24.5% | 665,663 | $4.5M |
| Marshall Wace, LLP | 0.01% | Reduce -32.5% | 603,871 | $4.1M |
| Jacobs Levy Equity Management, Inc. | 0.02% | New | 586,746 | $4.0M |
| Northern Trust Corp. | 0.00% | Add +78.7% | 519,084 | $3.5M |
| Kennedy Capital Management LLC | 0.07% | Add +2.6% | 486,560 | $3.3M |
| Kynam Capital Management, LP | 0.30% | Reduce -67.0% | 396,379 | $2.7M |
| Jane Street Group, LLC | 0.00% | Add +997.9% | 369,196 | $2.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +37.6% | 340,871 | $2.3M |
| UBS Group AG | 0.00% | Add +13580.8% | 251,043 | $1.7M |
| Sectoral Asset Management Inc. | 0.65% | Reduce -25.1% | 244,000 | $1.6M |
| Point72 Asset Management | 0.00% | Reduce -49.8% | 223,500 | $1.5M |
| Polar Asset Management Partners Inc. | 0.05% | New | 222,400 | $1.5M |
| DAFNA Capital Management LLC | 0.31% | Reduce -45.4% | 202,587 | $1.4M |
| Nuveen Asset Management, LLC | 0.00% | Add +182.5% | 191,457 | $1.3M |
| Ameriprise Financial Inc. | 0.00% | Add +97.2% | 190,703 | $1.3M |
| Bank of New York Mellon Corp | 0.00% | Add +90.5% | 182,337 | $1.2M |
| Blair William & Co. | 0.00% | New | 138,595 | $936K |
| Renaissance Technologies | 0.00% | New | 125,018 | $844K |
| Lighthouse Investment Partners, LLC | 0.05% | Add +33.6% | 115,808 | $782K |
| Bank of America Corp. | 0.00% | Add +12.4% | 93,573 | $632K |
| Rhumbline Advisers | 0.00% | Add +91.2% | 86,525 | $584K |
| Susquehanna International Group, LLP | 0.00% | Add +222.9% | 74,587 | $503K |
| Dark Forest Capital Management LP | 0.08% | New | 72,450 | $489K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.01% | Add +19.0% | 71,412 | $482K |
| Alps Advisors Inc. | 0.00% | Add +6.2% | 68,659 | $463K |
| Alliancebernstein L.P. | 0.00% | Add +127.6% | 56,730 | $383K |
| Balyasny Asset Management L.P. | 0.00% | New | 53,323 | $360K |
| Prudential Financial Inc. | 0.00% | Reduce -39.7% | 47,292 | $319K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -55.5% | 44,643 | $301K |
| Prelude Capital Management, LLC | 0.02% | Add +290.3% | 41,007 | $277K |
| ExodusPoint Capital Management, LP | 0.00% | New | 40,381 | $273K |
| STRS Ohio | 0.00% | Reduce -5.9% | 39,800 | $268K |
| MetLife Investment Management, LLC | 0.00% | Add +110.4% | 38,201 | $258K |
| Wells Fargo & Company | 0.00% | Add +90.0% | 37,834 | $255K |
| American International Group, Inc. | 0.00% | Add +117.3% | 35,793 | $242K |
| Ghisallo Capital Management LLC | 0.03% | Reduce -50.0% | 35,000 | $236K |
| Cubist Systematic Strategies, LLC | 0.00% | Reduce -78.1% | 34,881 | $235K |
| Deutsche Bank AG | 0.00% | Add +129.3% | 33,279 | $225K |
| New York State Common Retirement Fund | 0.00% | Add +146.0% | 32,429 | $219K |
| Capstone Investment Advisors, LLC | 0.01% | Add +15.2% | 31,506 | $213K |
| Public Employees Retirement System of Ohio | 0.00% | New | 28,418 | $192K |
| Shay Capital LLC | 0.05% | New | 27,227 | $184K |
| Russell Investments Group, Ltd. | 0.00% | New | 27,108 | $183K |
| Invesco Ltd. | 0.00% | Add +28.1% | 26,073 | $176K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +14.5% | 25,606 | $173K |
| Voya Investment Management LLC | 0.00% | Add +69.5% | 22,762 | $154K |
| Virtu Financial LLC | 0.01% | New | 21,834 | $147K |
| T. Rowe Price Associates Inc. | 0.00% | New | 20,703 | $140K |
| ProShare Advisors LLC | 0.00% | Add +69.9% | 19,871 | $134K |
| Ausdal Financial Partners, Inc. | 0.02% | Reduce -4.9% | 19,300 | $130K |
| China Universal Asset Management Co., Ltd. | 0.02% | Add +66.3% | 18,718 | $126K |
| Simplex Trading, LLC | 0.00% | New | 18,429 | $124K |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 17,821 | $120K |
| Landscape Capital Management, L.L.C. | 0.01% | Reduce -65.7% | 17,517 | $118K |
| ADAR1 Capital Management, LLC | 0.03% | Add +114.6% | 15,021 | $101K |
| Citigroup Inc. | 0.00% | Add +103.9% | 13,256 | $89K |
| Sherbrooke Park Advisers LLC | 0.02% | New | 11,915 | $80K |
| Virtus Advisers, LLC | 0.04% | Reduce -6.4% | 11,901 | $80K |
| Raymond James & Associates | 0.00% | Add +8.0% | 11,364 | $77K |
| EntryPoint Capital, LLC | 0.07% | Reduce -47.4% | 11,033 | $74K |
| Verition Fund Management LLC | 0.00% | New | 10,849 | $73K |
| California State Teachers Retirement System | 0.00% | Reduce -67.9% | 7,301 | $49K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +118.0% | 7,243 | $49K |
| Legal & General Group Plc | 0.00% | Reduce -78.3% | 6,661 | $45K |
| Belvedere Trading LLC | 0.00% | New | 5,731 | $39K |
| US Bancorp \de | 0.00% | New | 5,277 | $36K |
| Metropolitan Life Insurance Co | 0.00% | Add +96.2% | 3,931 | $27K |
| Royal Bank of Canada | 0.00% | Reduce -66.2% | 3,603 | $24K |
| Quarry LP | 0.01% | New | 3,000 | $20K |
| Amalgamated Bank | 0.00% | Reduce -37.1% | 2,452 | $17K |
| Cutler Group LLC / CA | 0.01% | Reduce -72.0% | 2,294 | $15K |
"% of holder's portfolio" is SLRN's weight in each manager's 13F, not the share of Acelyrin Inc. the manager owns.