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 |
|---|---|---|---|---|---|
| Grove Bank & Trust | 18 | $183 | 0.00% | +18 | New |
| Bell Investment Advisors, Inc | 18 | $184 | 0.00% | +18 | New |
| Institutional & Family Asset Management, LLC | 21 | $214 | 0.00% | +21 | New |
| US Bancorp | 32 | $325 | 0.00% | −154−82.8% | Reduced |
| Private Trust Co NA | 108 | $1.10K | 0.00% | −41−27.5% | Reduced |
| Meeder Asset Management Inc | 122 | $1.24K | 0.00% | +122 | New |
| Creative Financial Designs Inc | 300 | $3.05K | 0.00% | +300 | New |
| Lindbrook Capital, LLC | 316 | $3.21K | 0.00% | +316 | New |
| UBS Group AG | 518 | $5.27K | 0.00% | −1,563−75.1% | Reduced |
| Advisor Group Holdings, Inc. | 1,449 | $14.7K | 0.00% | +255+21.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,513 | $15.4K | 0.00% | +1,513 | New |
| Metropolitan Life Insurance Co | 2,004 | $20.4K | 0.00% | +2,004 | New |
| Tower Research Capital LLC (TRC) | 2,240 | $22.8K | 0.00% | −845−27.4% | Reduced |
| Ameritas Investment Partners, Inc. | 3,322 | $33.8K | 0.00% | +3,322 | New |
| Amalgamated Bank | 4,281 | $44.0K | 0.00% | +4,281 | New |
| Royal Bank of Canada | 4,948 | $50.0K | 0.00% | −26,046−84.0% | Reduced |
| STRS Ohio | 7,000 | $71.0K | 0.00% | +7,000 | New |
| New York State Common Retirement Fund | 7,149 | $72.7K | 0.00% | +7,149 | New |
| DAFNA Capital Management LLC | 7,300 | $74.2K | 0.02% | +7,300 | New |
| Sandia Investment Management LP | 10,000 | $101.7K | 0.03% | 00.0% | Unchanged |
| Cutler Group LP | 10,300 | $104.0K | 0.02% | +10,300 | New |
| XTX Topco Ltd | 12,401 | $126.1K | 0.02% | +12,401 | New |
| Group One Trading, L.P. | 12,950 | $131.7K | 0.01% | +12,950 | New |
| Susquehanna International Group, LLP | 13,405 | $136.3K | 0.00% | −36,245−73.0% | Reduced |
| Voya Investment Management LLC | 13,430 | $136.6K | 0.00% | +13,430 | New |
| Deutsche Bank AG | 15,335 | $156.0K | 0.00% | +15,335 | New |
| American International Group, Inc. | 16,541 | $168.2K | 0.00% | +16,541 | New |
| Invesco Ltd. | 17,953 | $182.6K | 0.00% | +17,953 | New |
| MetLife Investment Management | 18,159 | $184.7K | 0.00% | +18,159 | New |
| Raymond James & Associates | 18,556 | $188.7K | 0.00% | +18,556 | New |
| Man Group plc | – | $192.9K | 0.00% | – | New |
| Jump Financial, LLC | 19,592 | $199.3K | 0.01% | −4,092−17.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 20,196 | $205.4K | 0.00% | +20,196 | New |
| Ausdal Financial Partners, Inc. | 21,000 | $213.6K | 0.03% | +21,000 | New |
| Alliancebernstein L.P. | 24,930 | $253.5K | 0.00% | −1,118,344−97.8% | Reduced |
| Credit Suisse AG | 27,489 | $279.6K | 0.00% | +27,489 | New |
| Profund Advisors LLC | 29,232 | $297.3K | 0.02% | +29,232 | New |
| Legal & General Group Plc | 30,646 | $311.7K | 0.00% | +30,646 | New |
| Walleye Trading LLC | 31,428 | $319.6K | 0.01% | +31,428 | New |
| California State Teachers Retirement System | 33,463 | $340.3K | 0.00% | +33,463 | New |
| State of Wisconsin Investment Board | 37,590 | $382.3K | 0.00% | +37,590 | New |
| Rhumbline Advisers | 44,152 | $449.0K | 0.00% | +44,152 | New |
| Nuveen Asset Management, LLC | 44,936 | $457.0K | 0.00% | +44,936 | New |
| Alyeska Investment Group, L.P. | 50,070 | $509.2K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 50,377 | $512.3K | 0.07% | +50,377 | New |
| Fred Alger Management, LLC | 53,206 | $541.1K | 0.00% | −956,843−94.7% | Reduced |
| Manufacturers Life Insurance Company, The | 55,692 | $566.4K | 0.00% | +13,692+32.6% | Added |
| Wells Fargo & Company | 56,675 | $576.4K | 0.00% | +56,451+25,201.3% | Added |
| Swiss National Bank | 64,100 | $651.9K | 0.00% | +64,100 | New |
| Ameriprise Financial Inc | 68,073 | $692.3K | 0.00% | −336,750−83.2% | Reduced |
| Ghisallo Capital Management LLC | 70,000 | $711.9K | 0.07% | 00.0% | Unchanged |
| Citigroup Inc | 73,269 | $745.1K | 0.00% | +73,269 | New |
| TD Asset Management Inc | 75,164 | $764.4K | 0.00% | +13,554+22.0% | Added |
| Bank of New York Mellon Corp | 92,701 | $942.8K | 0.00% | +79,478+601.1% | Added |
| PDT Partners, LLC | 94,602 | $962.1K | 0.12% | +94,602 | 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 |
| Barclays PLC | 106,688 | $1.09M | 0.00% | +106,688 | New |
| Rock Springs Capital Management LP | 141,876 | $1.44M | 0.04% | 00.0% | Unchanged |
| Tri Locum Partners LP | 155,573 | $1.58M | 0.51% | +155,573 | New |
| Point72 Asset Management, L.P. | 158,800 | $1.61M | 0.01% | +158,800 | New |
| Rafferty Asset Management, LLC | 173,696 | $1.77M | 0.01% | +173,696 | New |
| 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 |
| Schonfeld Strategic Advisors LLC | 202,662 | $2.06M | 0.02% | +147,454+267.1% | Added |
| Bank of America Corp | 225,269 | $2.29M | 0.00% | +223,428+12,136.2% | Added |
| Charles Schwab Investment Management Inc | 243,822 | $2.48M | 0.00% | +84,574+53.1% | Added |
| Morgan Stanley | 249,573 | $2.54M | 0.00% | +231,519+1,282.4% | Added |
| Northern Trust Corp | 279,975 | $2.85M | 0.00% | +221,850+381.7% | Added |
| Eagle Asset Management Inc | 358,363 | $3.64M | 0.02% | −161,687−31.1% | Reduced |
| Walleye Capital LLC | 447,355 | $4.55M | 0.07% | +447,355 | New |
| Price T Rowe Associates Inc | 458,261 | $4.66M | 0.00% | −431,121−48.5% | Reduced |
| Deep Track Capital, LP | 551,289 | $5.61M | 0.22% | +551,289 | New |
| Massachusetts Financial Services Co | 642,158 | $6.53M | 0.00% | +1,090+0.2% | Added |
| Geode Capital Management, LLC | 708,780 | $7.21M | 0.00% | +361,012+103.8% | Added |
| Franklin Resources Inc | 805,668 | $8.19M | 0.00% | −73,600−8.4% | Reduced |
| VR Adviser, LLC | 864,332 | $8.79M | 0.93% | +864,332 | New |
| Marshall Wace, LLP | 894,182 | $9.09M | 0.02% | −267,346−23.0% | Reduced |
| Woodline Partners LP | 907,913 | $9.23M | 0.11% | −127,642−12.3% | Reduced |
| RTW Investments, LP | 978,310 | $9.95M | 0.21% | 00.0% | Unchanged |
| Kynam Capital Management, LP | 1,200,000 | $12.2M | 2.03% | +1,200,000 | New |
| Driehaus Capital Management LLC | 1,319,349 | $13.4M | 0.17% | −439,448−25.0% | Reduced |
| EcoR1 Capital, LLC | 1,402,201 | $14.3M | 0.49% | +1,402,201 | New |
| Decheng Capital Management III (Cayman), LLC | 1,548,317 | $15.7M | 5.26% | −6,100−0.4% | Reduced |
| Janus Henderson Group PLC | 1,794,692 | $16.4M | 0.01% | +1,794,692 | New |
| Goldman Sachs Group Inc | 1,779,825 | $18.1M | 0.00% | +1,469,827+474.1% | Added |
| State Street Corp | 1,980,316 | $20.1M | 0.00% | +1,863,316+1,592.6% | Added |
| BlackRock Inc. | 2,198,122 | $22.4M | 0.00% | +1,350,227+159.2% | Added |
| Tybourne Capital Management (HK) Ltd | 2,230,442 | $22.7M | 3.17% | 00.0% | Unchanged |
| CHI Advisors LLC | 2,262,990 | $23.0M | 9.13% | −400,816−15.0% | Reduced |
| Samsara BioCapital, LLC | 2,381,579 | $24.2M | 7.41% | +125,557+5.6% | Added |
| Artal Group S.A. | 2,469,279 | $25.1M | 1.09% | +648,065+35.6% | Added |
| General Atlantic LLC | 2,889,668 | $29.4M | 0.45% | +1,389,668+92.6% | Added |
| Ikarian Capital, LLC | 2,918,426 | $29.7M | 11.02% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 3,164,091 | $32.2M | 0.00% | −539,247−14.6% | Reduced |
| Vanguard Group Inc | 3,189,027 | $32.4M | 0.00% | +116,847+3.8% | Added |
| venBio Partners LLC | 3,852,470 | $39.2M | 11.11% | −4,760−0.1% | Reduced |
| Opaleye Management Inc. | 4,146,138 | $42.2M | 13.85% | −12,500−0.3% | Reduced |
| OrbiMed Advisors LLC | 5,326,302 | $54.2M | 1.25% | 00.0% | Unchanged |
| Citadel Advisors LLC | 5,926,693 | $57.9M | 0.06% | −112,964−1.9% | Reduced |