AcelyrinSLRN
13F holders, Q2 2024 (June 30)113holders +4
24new positions
21sold out
4famous investors
$4.41avg. 13F price*
At the end of Q2 2024, 113 institutions reported holding Acelyrin Inc. (SLRN) in their 13F filings, up 4 from Q1 2024. 24 opened new positions and 21 sold out. The largest holders were AyurMaya Capital Management Company, LP ($41.2M), Citadel Advisors ($32.7M) and BlackRock Inc. ($23.2M). 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 Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Acelyrin Inc.
- CUSIP
- 00445A100
- Latest filing quarter
- Q2 2025
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $7.1M |
| Exits | 21 | $21.5M |
All 13F filers, Q1 2024 → Q2 2024: 8,934,301 shares bought and 12,853,239 shares sold, net −3,918,938 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 113 holders
| AyurMaya Capital Management Company, LP | 22.52% | No change | 9,334,735 | $41.2M |
| Citadel Advisors | 0.03% | Add +5.4% | 7,410,564 | $32.7M |
| BlackRock Inc. | 0.00% | Add +9.9% | 5,269,374 | $23.2M |
| Vanguard Group Inc. | 0.00% | Reduce -23.9% | 4,743,401 | $20.9M |
| FMR LLC | 0.00% | Reduce -33.4% | 4,714,172 | $20.8M |
| Millennium Management | 0.02% | Add +15.7% | 4,642,056 | $20.5M |
| Orbimed Advisors LLC | 0.35% | No change | 4,001,711 | $17.6M |
| venBio Partners LLC | 7.34% | No change | 3,852,470 | $17.0M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Add +58.2% | 3,352,307 | $14.8M |
| Blue Owl Capital Holdings LP | 3.59% | Add +3.5% | 2,926,028 | $12.9M |
| Tybourne Capital Management (hk) Ltd. | 2.61% | No change | 2,906,629 | $12.8M |
| General Atlantic, L.P. | 0.40% | No change | 2,889,668 | $12.7M |
| JPMorgan Chase & Co. | 0.00% | Add +0.3% | 2,598,303 | $11.5M |
| Samsara Biocapital, LLC | 2.33% | No change | 2,523,022 | $11.1M |
| Artal Group S.A. | 0.23% | Reduce -16.0% | 2,020,888 | $8.9M |
| Woodline Partners LP | 0.08% | Add +94.4% | 1,984,810 | $8.8M |
| Palo Alto Investors LP | 0.88% | No change | 1,715,180 | $7.6M |
| Opaleye Management Inc. | 1.62% | No change | 1,580,000 | $7.0M |
| Jacobs Levy Equity Management, Inc. | 0.03% | Add +152.2% | 1,479,856 | $6.5M |
| Ikarian Capital, LLC | 2.03% | Reduce -5.7% | 1,475,074 | $6.5M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Reduce -57.3% | 1,400,000 | $6.2M |
| Geode Capital Management, LLC | 0.00% | Add +2.7% | 1,262,983 | $5.6M |
| Morgan Stanley | 0.00% | Add +88.2% | 1,252,816 | $5.5M |
| State Street Corp. | 0.00% | Add +2.5% | 1,157,002 | $5.1M |
| RTW Investments, LP | 0.07% | No change | 978,310 | $4.3M |
| Kynam Capital Management, LP | 0.38% | Add +109.7% | 831,310 | $3.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +5.8% | 799,632 | $3.5M |
| DAFNA Capital Management LLC | 0.74% | Add +242.4% | 693,609 | $3.1M |
| Marshall Wace, LLP | 0.00% | No change | 603,871 | $2.7M |
| Kennedy Capital Management LLC | 0.05% | Add +7.3% | 522,259 | $2.3M |
| Northern Trust Corp. | 0.00% | Reduce -3.0% | 503,452 | $2.2M |
| Renaissance Technologies | 0.00% | Add +218.1% | 397,618 | $1.8M |
| Almitas Capital LLC | 0.69% | New | 376,116 | $1.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.4% | 336,074 | $1.5M |
| Ameriprise Financial Inc. | 0.00% | Add +35.2% | 257,795 | $1.1M |
| Bank of New York Mellon Corp | 0.00% | Add +22.5% | 223,395 | $985K |
| Polar Asset Management Partners Inc. | 0.04% | No change | 222,400 | $981K |
| Jane Street Group, LLC | 0.00% | Reduce -44.7% | 204,037 | $900K |
| Two Sigma Advisers, LP | 0.00% | New | 200,400 | $884K |
| Nuveen Asset Management, LLC | 0.00% | No change | 191,457 | $844K |
| ExodusPoint Capital Management, LP | 0.01% | Add +369.5% | 189,578 | $836K |
| Susquehanna Fundamental Investments, LLC | 0.02% | New | 160,167 | $706K |
| Los Angeles Capital Management LLC | 0.00% | New | 157,093 | $693K |
| Blair William & Co. | 0.00% | No change | 138,595 | $611K |
| Acadian Asset Management LLC | 0.00% | New | 134,184 | $590K |
| Two Sigma Investments, LP | 0.00% | New | 123,470 | $545K |
| Rhumbline Advisers | 0.00% | Add +25.3% | 108,384 | $478K |
| PDT Partners, LLC | 0.04% | New | 103,853 | $458K |
| Franklin Resources Inc. | 0.00% | Reduce -95.4% | 93,949 | $414K |
| Cubist Systematic Strategies, LLC | 0.01% | Add +158.1% | 90,022 | $397K |
| Russell Investments Group, Ltd. | 0.00% | Add +205.7% | 82,873 | $365K |
| HRT Financial LP | 0.00% | New | 82,828 | $365K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.01% | Add +14.0% | 81,412 | $359K |
| Squarepoint Ops LLC | 0.00% | New | 78,023 | $344K |
| Alps Advisors Inc. | 0.00% | Add +12.5% | 77,250 | $341K |
| Alliancebernstein L.P. | 0.00% | Add +29.9% | 73,670 | $325K |
| Verition Fund Management LLC | 0.00% | Add +554.6% | 71,015 | $313K |
| Public Employees Retirement System of Ohio | 0.00% | Add +132.9% | 66,193 | $292K |
| Prudential Financial Inc. | 0.00% | Add +29.9% | 61,430 | $271K |
| Dynamic Technology Lab Private Ltd | 0.03% | New | 60,330 | $266K |
| Prelude Capital Management, LLC | 0.02% | Add +39.8% | 57,307 | $253K |
| Bank of America Corp. | 0.00% | Reduce -41.1% | 55,134 | $243K |
| Shay Capital LLC | 0.07% | Add +100.2% | 54,500 | $240K |
| ADAR1 Capital Management, LLC | 0.04% | Add +236.3% | 50,521 | $223K |
| STRS Ohio | 0.00% | Add +11.3% | 44,300 | $195K |
| XTX Topco Ltd | 0.02% | New | 43,300 | $191K |
| MetLife Investment Management, LLC | 0.00% | Add +12.2% | 42,852 | $189K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -6.0% | 41,986 | $185K |
| Corebridge Financial, Inc. | 0.00% | — | 39,269 | $173K |
| Point72 Asset Management | 0.00% | Reduce -83.2% | 37,542 | $166K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 37,421 | $165K |
| New York State Common Retirement Fund | 0.00% | Add +15.4% | 37,417 | $165K |
| Thrivent Financial for Lutherans | 0.00% | New | 37,341 | $164K |
| Balyasny Asset Management L.P. | 0.00% | Reduce -31.8% | 36,377 | $160K |
| Wells Fargo & Company | 0.00% | Reduce -9.5% | 34,243 | $151K |
| Deutsche Bank AG | 0.00% | Reduce -0.6% | 33,074 | $146K |
| Susquehanna International Group, LLP | 0.00% | Reduce -56.5% | 32,480 | $143K |
| Citigroup Inc. | 0.00% | Add +140.5% | 31,884 | $141K |
| Barclays PLC | 0.00% | Reduce -96.1% | 31,220 | $138K |
| UBS Group AG | 0.00% | Reduce -88.1% | 29,985 | $132K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +16.3% | 29,769 | $131K |
| EntryPoint Capital, LLC | 0.05% | Add +134.1% | 25,830 | $114K |
| Voya Investment Management LLC | 0.00% | Add +9.9% | 25,016 | $110K |
| Invesco Ltd. | 0.00% | Reduce -7.5% | 24,117 | $106K |
| T. Rowe Price Associates Inc. | 0.00% | Add +10.8% | 22,944 | $102K |
| Virtus Advisers, LLC | 0.04% | Add +74.5% | 20,763 | $92K |
| Ausdal Financial Partners, Inc. | 0.01% | No change | 19,300 | $85K |
| Ghisallo Capital Management LLC | 0.01% | Reduce -50.0% | 17,500 | $77K |
| Sherbrooke Park Advisers LLC | 0.01% | Add +41.3% | 16,839 | $74K |
| ProShare Advisors LLC | 0.00% | Reduce -20.3% | 15,841 | $70K |
| Nisa Investment Advisors, LLC | 0.00% | Add +58570.8% | 14,081 | $62K |
| Oxford Asset Management LLP | 0.05% | New | 12,276 | $54K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -37.8% | 11,636 | $51K |
| SG Americas Securities, LLC | 0.00% | New | 11,654 | $51K |
| Principal Financial Group Inc. | 0.00% | New | 11,038 | $49K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +2992.5% | 10,700 | $47K |
| US Bancorp \de | 0.00% | Add +80.4% | 9,518 | $42K |
| Royal Bank of Canada | 0.00% | Add +125.2% | 8,115 | $36K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 7,243 | $32K |
| Legal & General Group Plc | 0.00% | Reduce -10.6% | 5,953 | $26K |
"% of holder's portfolio" is SLRN's weight in each manager's 13F, not the share of Acelyrin Inc. the manager owns.