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, Q3 2023
Institutional positions in ACELYRIN, Inc. as of Sep 30, 2023. 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
- 102
- +20 vs. Q2 2023
- Shares held
- 83.8M
- +6.63M (+8.6%) vs. Q2 2023
- Total value
- $847.0M
- −$755.8M (−47.2%) vs. Q2 2023
- New holders
- 48
- 20 more added
- Sold out
- 28
- 23 more reduced
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding ACELYRIN, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AyurMaya Capital Management Company, LP | 9,334,735 | $94.9M | 100.00% | 00.0% | Unchanged |
| FMR LLC | 8,961,726 | $89.9M | 0.01% | +1,505,488+20.2% | Added |
| Citadel Advisors LLC | 5,926,693 | $57.9M | 0.06% | −112,964−1.9% | Reduced |
| OrbiMed Advisors LLC | 5,326,302 | $54.2M | 1.25% | 00.0% | Unchanged |
| Opaleye Management Inc. | 4,146,138 | $42.2M | 13.85% | −12,500−0.3% | Reduced |
| venBio Partners LLC | 3,852,470 | $39.2M | 11.11% | −4,760−0.1% | Reduced |
| Vanguard Group Inc | 3,189,027 | $32.4M | 0.00% | +116,847+3.8% | Added |
| JPMorgan Chase & Co | 3,164,091 | $32.2M | 0.00% | −539,247−14.6% | Reduced |
| Ikarian Capital, LLC | 2,918,426 | $29.7M | 11.02% | 00.0% | Unchanged |
| General Atlantic LLC | 2,889,668 | $29.4M | 0.45% | +1,389,668+92.6% | Added |
| Artal Group S.A. | 2,469,279 | $25.1M | 1.09% | +648,065+35.6% | Added |
| Samsara BioCapital, LLC | 2,381,579 | $24.2M | 7.41% | +125,557+5.6% | Added |
| CHI Advisors LLC | 2,262,990 | $23.0M | 9.13% | −400,816−15.0% | Reduced |
| Tybourne Capital Management (HK) Ltd | 2,230,442 | $22.7M | 3.17% | 00.0% | Unchanged |
| BlackRock Inc. | 2,198,122 | $22.4M | 0.00% | +1,350,227+159.2% | Added |
| State Street Corp | 1,980,316 | $20.1M | 0.00% | +1,863,316+1,592.6% | Added |
| Goldman Sachs Group Inc | 1,779,825 | $18.1M | 0.00% | +1,469,827+474.1% | Added |
| Janus Henderson Group PLC | 1,794,692 | $16.4M | 0.01% | +1,794,692 | New |
| Decheng Capital Management III (Cayman), LLC | 1,548,317 | $15.7M | 5.26% | −6,100−0.4% | Reduced |
| EcoR1 Capital, LLC | 1,402,201 | $14.3M | 0.49% | +1,402,201 | New |
| Driehaus Capital Management LLC | 1,319,349 | $13.4M | 0.17% | −439,448−25.0% | Reduced |
| Kynam Capital Management, LP | 1,200,000 | $12.2M | 2.03% | +1,200,000 | New |
| RTW Investments, LP | 978,310 | $9.95M | 0.21% | 00.0% | Unchanged |
| Woodline Partners LP | 907,913 | $9.23M | 0.11% | −127,642−12.3% | Reduced |
| Marshall Wace, LLP | 894,182 | $9.09M | 0.02% | −267,346−23.0% | Reduced |
| VR Adviser, LLC | 864,332 | $8.79M | 0.93% | +864,332 | New |
| Franklin Resources Inc | 805,668 | $8.19M | 0.00% | −73,600−8.4% | Reduced |
| Geode Capital Management, LLC | 708,780 | $7.21M | 0.00% | +361,012+103.8% | Added |
| Massachusetts Financial Services Co | 642,158 | $6.53M | 0.00% | +1,090+0.2% | Added |
| Deep Track Capital, LP | 551,289 | $5.61M | 0.22% | +551,289 | New |
| Price T Rowe Associates Inc | 458,261 | $4.66M | 0.00% | −431,121−48.5% | Reduced |
| Walleye Capital LLC | 447,355 | $4.55M | 0.07% | +447,355 | New |
| Eagle Asset Management Inc | 358,363 | $3.64M | 0.02% | −161,687−31.1% | Reduced |
| Northern Trust Corp | 279,975 | $2.85M | 0.00% | +221,850+381.7% | Added |
| Morgan Stanley | 249,573 | $2.54M | 0.00% | +231,519+1,282.4% | Added |
| Charles Schwab Investment Management Inc | 243,822 | $2.48M | 0.00% | +84,574+53.1% | Added |
| Bank of America Corp | 225,269 | $2.29M | 0.00% | +223,428+12,136.2% | Added |
| Schonfeld Strategic Advisors LLC | 202,662 | $2.06M | 0.02% | +147,454+267.1% | Added |
| Perceptive Advisors LLC | 200,000 | $2.03M | 0.07% | 00.0% | Unchanged |
| Ghost Tree Capital, LLC | 200,000 | $2.03M | 0.98% | +200,000 | New |
| Rafferty Asset Management, LLC | 173,696 | $1.77M | 0.01% | +173,696 | New |
| Point72 Asset Management, L.P. | 158,800 | $1.61M | 0.01% | +158,800 | New |
| Tri Locum Partners LP | 155,573 | $1.58M | 0.51% | +155,573 | New |
| Rock Springs Capital Management LP | 141,876 | $1.44M | 0.04% | 00.0% | Unchanged |
| Barclays PLC | 106,688 | $1.09M | 0.00% | +106,688 | New |
| Adage Capital Partners GP, L.L.C. | 100,000 | $1.02M | 0.00% | −270,000−73.0% | Reduced |
| Ensign Peak Advisors, Inc | 100,000 | $1.02M | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 94,602 | $962.1K | 0.12% | +94,602 | New |
| Bank of New York Mellon Corp | 92,701 | $942.8K | 0.00% | +79,478+601.1% | Added |
| TD Asset Management Inc | 75,164 | $764.4K | 0.00% | +13,554+22.0% | Added |
| Citigroup Inc | 73,269 | $745.1K | 0.00% | +73,269 | New |
| Ghisallo Capital Management LLC | 70,000 | $711.9K | 0.07% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 68,073 | $692.3K | 0.00% | −336,750−83.2% | Reduced |
| Swiss National Bank | 64,100 | $651.9K | 0.00% | +64,100 | New |
| Wells Fargo & Company | 56,675 | $576.4K | 0.00% | +56,451+25,201.3% | Added |
| Manufacturers Life Insurance Company, The | 55,692 | $566.4K | 0.00% | +13,692+32.6% | Added |
| Fred Alger Management, LLC | 53,206 | $541.1K | 0.00% | −956,843−94.7% | Reduced |
| Caption Management, LLC | 50,377 | $512.3K | 0.07% | +50,377 | New |
| Alyeska Investment Group, L.P. | 50,070 | $509.2K | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 44,936 | $457.0K | 0.00% | +44,936 | New |
| Rhumbline Advisers | 44,152 | $449.0K | 0.00% | +44,152 | New |
| State of Wisconsin Investment Board | 37,590 | $382.3K | 0.00% | +37,590 | New |
| California State Teachers Retirement System | 33,463 | $340.3K | 0.00% | +33,463 | New |
| Walleye Trading LLC | 31,428 | $319.6K | 0.01% | +31,428 | New |
| Legal & General Group Plc | 30,646 | $311.7K | 0.00% | +30,646 | New |
| Profund Advisors LLC | 29,232 | $297.3K | 0.02% | +29,232 | New |
| Credit Suisse AG | 27,489 | $279.6K | 0.00% | +27,489 | New |
| Alliancebernstein L.P. | 24,930 | $253.5K | 0.00% | −1,118,344−97.8% | Reduced |
| Ausdal Financial Partners, Inc. | 21,000 | $213.6K | 0.03% | +21,000 | New |
| Mirae Asset Global Investments Co., Ltd. | 20,196 | $205.4K | 0.00% | +20,196 | New |
| Jump Financial, LLC | 19,592 | $199.3K | 0.01% | −4,092−17.3% | Reduced |
| Man Group plc | – | $192.9K | 0.00% | – | New |
| Raymond James & Associates | 18,556 | $188.7K | 0.00% | +18,556 | New |
| MetLife Investment Management | 18,159 | $184.7K | 0.00% | +18,159 | New |
| Invesco Ltd. | 17,953 | $182.6K | 0.00% | +17,953 | New |
| American International Group, Inc. | 16,541 | $168.2K | 0.00% | +16,541 | New |
| Deutsche Bank AG | 15,335 | $156.0K | 0.00% | +15,335 | New |
| Voya Investment Management LLC | 13,430 | $136.6K | 0.00% | +13,430 | New |
| Susquehanna International Group, LLP | 13,405 | $136.3K | 0.00% | −36,245−73.0% | Reduced |
| Group One Trading, L.P. | 12,950 | $131.7K | 0.01% | +12,950 | New |
| XTX Topco Ltd | 12,401 | $126.1K | 0.02% | +12,401 | New |
| Cutler Group LP | 10,300 | $104.0K | 0.02% | +10,300 | New |
| Sandia Investment Management LP | 10,000 | $101.7K | 0.03% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 7,300 | $74.2K | 0.02% | +7,300 | New |
| New York State Common Retirement Fund | 7,149 | $72.7K | 0.00% | +7,149 | New |
| STRS Ohio | 7,000 | $71.0K | 0.00% | +7,000 | New |
| Royal Bank of Canada | 4,948 | $50.0K | 0.00% | −26,046−84.0% | Reduced |
| Amalgamated Bank | 4,281 | $44.0K | 0.00% | +4,281 | New |
| Ameritas Investment Partners, Inc. | 3,322 | $33.8K | 0.00% | +3,322 | New |
| Tower Research Capital LLC (TRC) | 2,240 | $22.8K | 0.00% | −845−27.4% | Reduced |
| Metropolitan Life Insurance Co | 2,004 | $20.4K | 0.00% | +2,004 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,513 | $15.4K | 0.00% | +1,513 | New |
| Advisor Group Holdings, Inc. | 1,449 | $14.7K | 0.00% | +255+21.4% | Added |
| UBS Group AG | 518 | $5.27K | 0.00% | −1,563−75.1% | Reduced |
| Lindbrook Capital, LLC | 316 | $3.21K | 0.00% | +316 | New |
| Creative Financial Designs Inc | 300 | $3.05K | 0.00% | +300 | New |
| Meeder Asset Management Inc | 122 | $1.24K | 0.00% | +122 | New |
| Private Trust Co NA | 108 | $1.10K | 0.00% | −41−27.5% | Reduced |
| US Bancorp | 32 | $325 | 0.00% | −154−82.8% | Reduced |
| Institutional & Family Asset Management, LLC | 21 | $214 | 0.00% | +21 | New |