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, Q4 2023
Institutional positions in ACELYRIN, Inc. as of Dec 31, 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
- 110
- +10 vs. Q3 2023
- Shares held
- 84.8M
- +4.81M (+6.0%) vs. Q3 2023
- Total value
- $632.6M
- −$175.7M (−21.7%) vs. Q3 2023
- New holders
- 35
- 31 more added
- Sold out
- 25
- 28 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding ACELYRIN, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 13 | $0 | 0.00% | +13 | New |
| The PNC Financial Services Group, Inc. | 2 | $15 | 0.00% | +2 | New |
| Institutional & Family Asset Management, LLC | 16 | $119 | 0.00% | −5−23.8% | Reduced |
| Lindbrook Capital, LLC | 170 | $1.27K | 0.00% | −146−46.2% | Reduced |
| GAMMA Investing LLC | 174 | $1.33K | 0.00% | +174 | New |
| Advisor Group Holdings, Inc. | 377 | $2.80K | 0.00% | −1,072−74.0% | Reduced |
| Daiwa Securities Group Inc. | 398 | $3.00K | 0.00% | +398 | New |
| UBS Group AG | 1,835 | $13.7K | 0.00% | +1,317+254.2% | Added |
| Metropolitan Life Insurance Co | 2,004 | $14.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,322 | $24.8K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 3,899 | $29.0K | 0.00% | −382−8.9% | Reduced |
| Sandia Investment Management LP | 5,980 | $44.6K | 0.03% | −4,020−40.2% | Reduced |
| Citigroup Inc | 6,500 | $48.5K | 0.00% | −66,769−91.1% | Reduced |
| ADAR1 Capital Management, LLC | 7,000 | $52.2K | 0.02% | +7,000 | New |
| Cutler Group LP | 8,200 | $61.0K | 0.01% | −2,100−20.4% | Reduced |
| Group One Trading, L.P. | 9,814 | $73.2K | 0.00% | −3,136−24.2% | Reduced |
| Prelude Capital Management, LLC | 10,506 | $78.4K | 0.01% | +10,506 | New |
| Raymond James & Associates | 10,522 | $78.5K | 0.00% | −8,034−43.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,716 | $79.9K | 0.00% | +9,203+608.3% | Added |
| Royal Bank of Canada | 10,664 | $80.0K | 0.00% | +5,716+115.5% | Added |
| Bridgefront Capital, LLC | 11,249 | $83.9K | 0.06% | +11,249 | New |
| China Universal Asset Management Co., Ltd. | 11,259 | $84.0K | 0.02% | +11,259 | New |
| ProShare Advisors LLC | 11,695 | $87.2K | 0.00% | +11,695 | New |
| Virtus ETF Advisers LLC | 12,717 | $94.9K | 0.06% | +12,717 | New |
| New York State Common Retirement Fund | 13,181 | $98.3K | 0.00% | +6,032+84.4% | Added |
| Voya Investment Management LLC | 13,430 | $100.2K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 14,431 | $108.0K | 0.01% | +14,431 | New |
| Deutsche Bank AG | 14,516 | $108.3K | 0.00% | −819−5.3% | Reduced |
| SG Americas Securities, LLC | 14,741 | $110.0K | 0.00% | +14,741 | New |
| American International Group, Inc. | 16,475 | $122.9K | 0.00% | −66−0.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 17,038 | $127.1K | 0.00% | −3,158−15.6% | Reduced |
| MetLife Investment Management | 18,159 | $135.5K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 19,312 | $144.1K | 0.00% | −8,177−29.7% | Reduced |
| Wells Fargo & Company | 19,915 | $148.6K | 0.00% | −36,760−64.9% | Reduced |
| Ausdal Financial Partners, Inc. | 20,300 | $151.4K | 0.02% | −700−3.3% | Reduced |
| Invesco Ltd. | 20,350 | $151.8K | 0.00% | +2,397+13.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 20,565 | $153.4K | 0.01% | +20,565 | New |
| EntryPoint Capital, LLC | 20,968 | $156.4K | 0.15% | +20,968 | New |
| Manufacturers Life Insurance Company, The | 22,368 | $166.9K | 0.00% | −33,324−59.8% | Reduced |
| California State Teachers Retirement System | 22,746 | $169.7K | 0.00% | −10,717−32.0% | Reduced |
| Susquehanna International Group, LLP | 23,096 | $172.3K | 0.00% | +9,691+72.3% | Added |
| State of Wisconsin Investment Board | 23,442 | $174.9K | 0.00% | −14,148−37.6% | Reduced |
| Alliancebernstein L.P. | 24,930 | $186.0K | 0.00% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 27,345 | $204.0K | 0.00% | +27,345 | New |
| Tower Research Capital LLC (TRC) | 29,281 | $218.4K | 0.00% | +27,041+1,207.2% | Added |
| Legal & General Group Plc | 30,646 | $228.6K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 33,628 | $250.9K | 0.00% | +33,628 | New |
| Swiss National Bank | 38,300 | $285.7K | 0.00% | −25,800−40.2% | Reduced |
| STRS Ohio | 42,300 | $315.0K | 0.00% | +35,300+504.3% | Added |
| Rhumbline Advisers | 45,247 | $337.5K | 0.00% | +1,095+2.5% | Added |
| Barclays PLC | 49,484 | $369.1K | 0.00% | −57,204−53.6% | Reduced |
| Jump Financial, LLC | 49,500 | $369.3K | 0.01% | +29,908+152.7% | Added |
| Alyeska Investment Group, L.P. | 50,070 | $373.5K | 0.00% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 51,016 | $380.6K | 0.03% | +51,016 | New |
| 683 Capital Management, LLC | 53,630 | $400.1K | 0.04% | +53,630 | New |
| PDT Partners, LLC | 57,896 | $431.9K | 0.05% | −36,706−38.8% | Reduced |
| UBS Oconnor LLC | 60,000 | $447.6K | 0.01% | +60,000 | New |
| Squarepoint Ops LLC | 62,907 | $469.3K | 0.00% | +62,907 | New |
| Alps Advisors Inc | 64,627 | $482.1K | 0.00% | +64,627 | New |
| Nuveen Asset Management, LLC | 67,771 | $505.6K | 0.00% | +22,835+50.8% | Added |
| Ghisallo Capital Management LLC | 70,000 | $522.2K | 0.05% | 00.0% | Unchanged |
| Prudential Financial Inc | 78,443 | $585.2K | 0.00% | +78,443 | New |
| Bank of America Corp | 83,280 | $621.3K | 0.00% | −141,989−63.0% | Reduced |
| Lighthouse Investment Partners, LLC | 86,651 | $646.4K | 0.05% | +86,651 | New |
| Bank of New York Mellon Corp | 95,710 | $714.0K | 0.00% | +3,009+3.2% | Added |
| Ameriprise Financial Inc | 96,691 | $721.3K | 0.00% | +28,618+42.0% | Added |
| Boothbay Fund Management, LLC | 100,346 | $748.6K | 0.03% | +100,346 | New |
| Voloridge Investment Management, LLC | 103,677 | $773.4K | 0.00% | +103,677 | New |
| Point72 Europe (London) LLP | 122,971 | $917.4K | 0.11% | +122,971 | New |
| Cubist Systematic Strategies, LLC | 158,967 | $1.19M | 0.01% | +158,967 | New |
| Adage Capital Partners GP, L.L.C. | 180,000 | $1.34M | 0.00% | +80,000+80.0% | Added |
| Charles Schwab Investment Management Inc | 247,756 | $1.85M | 0.00% | +3,934+1.6% | Added |
| Northern Trust Corp | 290,455 | $2.17M | 0.00% | +10,480+3.7% | Added |
| Sectoral Asset Management Inc | 325,549 | $2.43M | 1.05% | +325,549 | New |
| Vontobel Holding Ltd. | 325,549 | $2.43M | 0.02% | +325,549 | New |
| Superstring Capital Management LP | 356,924 | $2.66M | 1.90% | +356,924 | New |
| Eagle Asset Management Inc | 358,734 | $2.68M | 0.01% | +371+0.1% | Added |
| DAFNA Capital Management LLC | 371,200 | $2.77M | 0.66% | +363,900+4,984.9% | Added |
| Point72 Asset Management, L.P. | 444,992 | $3.32M | 0.01% | +286,192+180.2% | Added |
| Kennedy Capital Management, Inc. | 474,006 | $3.54M | 0.08% | +474,006 | New |
| Walleye Capital LLC | 577,492 | $4.31M | 0.06% | +130,137+29.1% | Added |
| StemPoint Capital LP | 587,373 | $4.38M | 1.18% | +587,373 | New |
| State Street Corp | 664,938 | $4.96M | 0.00% | −1,315,378−66.4% | Reduced |
| Geode Capital Management, LLC | 774,131 | $5.78M | 0.00% | +65,351+9.2% | Added |
| Franklin Resources Inc | 805,668 | $6.01M | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 881,719 | $6.58M | 0.00% | +632,146+253.3% | Added |
| Marshall Wace, LLP | 894,182 | $6.67M | 0.01% | 00.0% | Unchanged |
| VR Adviser, LLC | 937,113 | $6.99M | 0.48% | +72,781+8.4% | Added |
| Woodline Partners LP | 948,559 | $7.08M | 0.08% | +40,646+4.5% | Added |
| RTW Investments, LP | 978,310 | $7.30M | 0.11% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 1,118,911 | $8.35M | 0.00% | −660,914−37.1% | Reduced |
| Kynam Capital Management, LP | 1,200,000 | $8.95M | 1.01% | 00.0% | Unchanged |
| Logos Global Management LP | 1,250,000 | $9.32M | 1.04% | +1,250,000 | New |
| Decheng Capital LLC | 1,370,951 | $10.2M | 2.86% | +1,370,951 | New |
| Janus Henderson Group PLC | 1,602,155 | $12.0M | 0.01% | −192,537−10.7% | Reduced |
| Ikarian Capital, LLC | 1,991,005 | $14.9M | 4.06% | −927,421−31.8% | Reduced |
| Blue Owl Capital Holdings LP | 2,292,990 | $17.1M | 4.09% | +2,292,990 | New |
| Samsara BioCapital, LLC | 2,523,022 | $18.8M | 2.93% | +141,443+5.9% | Added |
| General Atlantic LLC | 2,889,668 | $21.6M | 0.31% | 00.0% | Unchanged |
| Tybourne Capital Management (HK) Ltd | 2,906,629 | $21.7M | 3.23% | +676,187+30.3% | Added |