ACELYRIN, Inc.
SLRNDelisted May 21, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001962918
ACELYRIN, Inc. was delisted on May 21, 2025; its insiders filed their last Form 4 on May 23, 2025; 106 institutions reported holding it in 13F filings for Q1 2025, worth $182.6M in total; no superinvestor held it.
13F holders, Q2 2024
Institutional positions in ACELYRIN, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 113
- +5 vs. Q1 2024
- Shares held
- 87.0M
- −3.84M (−4.2%) vs. Q1 2024
- Total value
- $383.7M
- −$229.5M (−37.4%) vs. Q1 2024
- New holders
- 26
- 45 more added
- Sold out
- 21
- 25 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SLRN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 2 | $704 |
| Q1 2025 | 106 | $182.6M |
| Q4 2024 | 126 | $276.4M |
| Q3 2024 | 122 | $430.2M |
| Q2 2024 | 113 | $383.7M |
| Q1 2024 | 109 | $613.2M |
| Q4 2023 | 110 | $632.6M |
| Q3 2023 | 102 | $847.0M |
| Q2 2023 | 82 | $1.60B |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding ACELYRIN, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 30 | $132 | 0.00% | +30 | New |
| The PNC Financial Services Group, Inc. | 53 | $234 | 0.00% | +53 | New |
| Clearstead Advisors, LLC | 114 | $503 | 0.00% | +114 | New |
| SRS Capital Advisors, Inc. | 185 | $816 | 0.00% | +185 | New |
| CWM, LLC | 155 | $1.00K | 0.00% | −64−29.2% | Reduced |
| Daiwa Securities Group Inc. | 398 | $2.00K | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 1,000 | $4.41K | 0.00% | +1,000 | New |
| Redwood Wealth Management Group, LLC | 1,000 | $4.41K | 0.00% | +1,000 | New |
| BFSG, LLC | 1,900 | $8.38K | 0.00% | +1,900 | New |
| Amalgamated Bank | 2,452 | $11.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,956 | $11.7K | 0.00% | +2,956 | New |
| California State Teachers Retirement System | 5,289 | $23.3K | 0.00% | −2,012−27.6% | Reduced |
| Federated Hermes, Inc. | 5,386 | $23.8K | 0.00% | +5,386 | New |
| Legal & General Group Plc | 5,953 | $26.2K | 0.00% | −708−10.6% | Reduced |
| Ameritas Investment Partners, Inc. | 7,243 | $31.9K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 8,115 | $36.0K | 0.00% | +4,512+125.2% | Added |
| US Bancorp | 9,518 | $42.0K | 0.00% | +4,241+80.4% | Added |
| Tower Research Capital LLC (TRC) | 10,700 | $47.2K | 0.00% | +10,354+2,992.5% | Added |
| Principal Financial Group Inc | 11,038 | $48.7K | 0.00% | +11,038 | New |
| SG Americas Securities, LLC | 11,654 | $51.0K | 0.00% | +11,654 | New |
| China Universal Asset Management Co., Ltd. | 11,636 | $51.3K | 0.01% | −7,082−37.8% | Reduced |
| Oxford Asset Management LLP | 12,276 | $54.1K | 0.05% | +12,276 | New |
| Nisa Investment Advisors, LLC | 14,081 | $62.1K | 0.00% | +14,057+58,570.8% | Added |
| ProShare Advisors LLC | 15,841 | $69.9K | 0.00% | −4,030−20.3% | Reduced |
| Sherbrooke Park Advisers LLC | 16,839 | $74.3K | 0.01% | +4,924+41.3% | Added |
| Ghisallo Capital Management LLC | 17,500 | $77.2K | 0.01% | −17,500−50.0% | Reduced |
| Ausdal Financial Partners, Inc. | 19,300 | $85.1K | 0.01% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 20,763 | $91.6K | 0.04% | +8,862+74.5% | Added |
| Price T Rowe Associates Inc | 22,944 | $102.0K | 0.00% | +2,241+10.8% | Added |
| Invesco Ltd. | 24,117 | $106.4K | 0.00% | −1,956−7.5% | Reduced |
| Voya Investment Management LLC | 25,016 | $110.3K | 0.00% | +2,254+9.9% | Added |
| EntryPoint Capital, LLC | 25,830 | $113.9K | 0.05% | +14,797+134.1% | Added |
| Manufacturers Life Insurance Company, The | 29,769 | $131.3K | 0.00% | +4,163+16.3% | Added |
| UBS Group AG | 29,985 | $132.2K | 0.00% | −221,058−88.1% | Reduced |
| Barclays PLC | 31,220 | $137.7K | 0.00% | −761,950−96.1% | Reduced |
| Citigroup Inc | 31,884 | $140.6K | 0.00% | +18,628+140.5% | Added |
| Susquehanna International Group, LLP | 32,480 | $143.2K | 0.00% | −42,107−56.5% | Reduced |
| Deutsche Bank AG | 33,074 | $145.9K | 0.00% | −205−0.6% | Reduced |
| Wells Fargo & Company | 34,243 | $151.0K | 0.00% | −3,591−9.5% | Reduced |
| Balyasny Asset Management LLC | 36,377 | $160.4K | 0.00% | −16,946−31.8% | Reduced |
| Thrivent Financial for Lutherans | 37,341 | $164.0K | 0.00% | +37,341 | New |
| New York State Common Retirement Fund | 37,417 | $165.0K | 0.00% | +4,988+15.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 37,421 | $165.0K | 0.00% | +37,421 | New |
| Point72 Asset Management, L.P. | 37,542 | $165.6K | 0.00% | −185,958−83.2% | Reduced |
| Corebridge Financial, Inc. | 39,269 | $173.2K | 0.00% | +39,269 | New |
| Boothbay Fund Management, LLC | 41,986 | $185.2K | 0.01% | −2,657−6.0% | Reduced |
| MetLife Investment Management | 42,852 | $189.0K | 0.00% | +4,651+12.2% | Added |
| XTX Topco Ltd | 43,300 | $191.0K | 0.02% | +43,300 | New |
| STRS Ohio | 44,300 | $195.4K | 0.00% | +4,500+11.3% | Added |
| ADAR1 Capital Management, LLC | 50,521 | $222.8K | 0.04% | +35,500+236.3% | Added |
| Shay Capital LLC | 54,500 | $240.3K | 0.07% | +27,273+100.2% | Added |
| Bank of America Corp | 55,134 | $243.1K | 0.00% | −38,439−41.1% | Reduced |
| Prelude Capital Management, LLC | 57,307 | $252.7K | 0.02% | +16,300+39.7% | Added |
| Dynamic Technology Lab Private Ltd | 60,330 | $266.0K | 0.03% | +60,330 | New |
| Prudential Financial Inc | 61,430 | $270.9K | 0.00% | +14,138+29.9% | Added |
| Public Employees Retirement System of Ohio | 66,193 | $291.9K | 0.00% | +37,775+132.9% | Added |
| Verition Fund Management LLC | 71,015 | $313.2K | 0.00% | +60,166+554.6% | Added |
| Alliancebernstein L.P. | 73,670 | $324.9K | 0.00% | +16,940+29.9% | Added |
| Alps Advisors Inc | 77,250 | $340.7K | 0.00% | +8,591+12.5% | Added |
| Squarepoint Ops LLC | 78,023 | $344.1K | 0.00% | +78,023 | New |
| UBS Oconnor LLC | 81,412 | $359.0K | 0.01% | +10,000+14.0% | Added |
| HRT Financial LP | 82,828 | $365.0K | 0.00% | +82,828 | New |
| Russell Investments Group, Ltd. | 82,873 | $365.5K | 0.00% | +55,765+205.7% | Added |
| Cubist Systematic Strategies, LLC | 90,022 | $397.0K | 0.01% | +55,141+158.1% | Added |
| Franklin Resources Inc | 93,949 | $414.3K | 0.00% | −1,950,172−95.4% | Reduced |
| PDT Partners, LLC | 103,853 | $458.0K | 0.04% | +103,853 | New |
| Rhumbline Advisers | 108,384 | $478.0K | 0.00% | +21,859+25.3% | Added |
| Two Sigma Investments, LP | 123,470 | $544.5K | 0.00% | +123,470 | New |
| Acadian Asset Management LLC | 134,184 | $590.0K | 0.00% | +134,184 | New |
| Blair William & Co | 138,595 | $611.2K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 157,093 | $692.8K | 0.00% | +157,093 | New |
| Susquehanna Fundamental Investments, LLC | 160,167 | $706.3K | 0.02% | +160,167 | New |
| ExodusPoint Capital Management, LP | 189,578 | $836.0K | 0.01% | +149,197+369.5% | Added |
| Nuveen Asset Management, LLC | 191,457 | $844.3K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 200,400 | $883.8K | 0.00% | +200,400 | New |
| Jane Street Group, LLC | 204,037 | $899.8K | 0.00% | −165,159−44.7% | Reduced |
| Polar Asset Management Partners Inc. | 222,400 | $980.8K | 0.03% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 223,395 | $985.2K | 0.00% | +41,058+22.5% | Added |
| Ameriprise Financial Inc | 257,795 | $1.14M | 0.00% | +67,092+35.2% | Added |
| Charles Schwab Investment Management Inc | 336,074 | $1.48M | 0.00% | −4,797−1.4% | Reduced |
| Almitas Capital LLC | 376,116 | $1.66M | 0.69% | +376,116 | New |
| Renaissance Technologies LLC | 397,618 | $1.75M | 0.00% | +272,600+218.0% | Added |
| Northern Trust Corp | 503,452 | $2.22M | 0.00% | −15,632−3.0% | Reduced |
| Kennedy Capital Management, Inc. | 522,259 | $2.30M | 0.05% | +35,699+7.3% | Added |
| Marshall Wace, LLP | 603,871 | $2.66M | 0.00% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 693,609 | $3.06M | 0.73% | +491,022+242.4% | Added |
| Goldman Sachs Group Inc | 799,632 | $3.53M | 0.00% | +43,732+5.8% | Added |
| Kynam Capital Management, LP | 831,310 | $3.67M | 0.38% | +434,931+109.7% | Added |
| RTW Investments, LP | 978,310 | $4.31M | 0.07% | 00.0% | Unchanged |
| State Street Corp | 1,157,002 | $5.10M | 0.00% | +28,682+2.5% | Added |
| Morgan Stanley | 1,252,816 | $5.52M | 0.00% | +587,153+88.2% | Added |
| Geode Capital Management, LLC | 1,262,983 | $5.57M | 0.00% | +32,988+2.7% | Added |
| Adage Capital Partners GP, L.L.C. | 1,400,000 | $6.17M | 0.01% | −1,880,000−57.3% | Reduced |
| Ikarian Capital, LLC | 1,475,074 | $6.51M | 2.03% | −89,266−5.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,479,856 | $6.53M | 0.03% | +893,110+152.2% | Added |
| Opaleye Management Inc. | 1,580,000 | $6.97M | 1.59% | 00.0% | Unchanged |
| Palo Alto Investors LP | 1,715,180 | $7.56M | 0.88% | 00.0% | Unchanged |
| Woodline Partners LP | 1,984,810 | $8.75M | 0.08% | +963,606+94.4% | Added |
| Artal Group S.A. | 2,020,888 | $8.91M | 0.23% | −384,255−16.0% | Reduced |
| Samsara BioCapital, LLC | 2,523,022 | $11.1M | 2.33% | 00.0% | Unchanged |