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, Q1 2024
Institutional positions in ACELYRIN, Inc. as of Mar 31, 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
- 109
- −1 vs. Q4 2023
- Shares held
- 90.9M
- +6.06M (+7.2%) vs. Q4 2023
- Total value
- $613.2M
- −$19.4M (−3.1%) vs. Q4 2023
- New holders
- 25
- 46 more added
- Sold out
- 26
- 27 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding ACELYRIN, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 7 | $47 | 0.00% | +7 | New |
| Institutional & Family Asset Management, LLC | 16 | $108 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 24 | $162 | 0.00% | +24 | New |
| Comerica Bank | 53 | $357 | 0.00% | +53 | New |
| CWM, LLC | 219 | $1.00K | 0.00% | +206+1,584.6% | Added |
| Lindbrook Capital, LLC | 170 | $1.15K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 346 | $2.34K | 0.00% | −28,935−98.8% | Reduced |
| Daiwa Securities Group Inc. | 398 | $3.00K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 678 | $4.58K | 0.00% | +504+289.7% | Added |
| Cutler Group LP | 2,294 | $15.0K | 0.01% | −5,906−72.0% | Reduced |
| Amalgamated Bank | 2,452 | $17.0K | 0.00% | −1,447−37.1% | Reduced |
| Quarry LP | 3,000 | $20.3K | 0.01% | +3,000 | New |
| Royal Bank of Canada | 3,603 | $24.0K | 0.00% | −7,061−66.2% | Reduced |
| Metropolitan Life Insurance Co | 3,931 | $26.5K | 0.00% | +1,927+96.2% | Added |
| US Bancorp | 5,277 | $35.6K | 0.00% | +5,277 | New |
| Belvedere Trading LLC | 5,731 | $38.7K | 0.00% | +5,731 | New |
| Legal & General Group Plc | 6,661 | $44.9K | 0.00% | −23,985−78.3% | Reduced |
| Ameritas Investment Partners, Inc. | 7,243 | $48.9K | 0.00% | +3,921+118.0% | Added |
| California State Teachers Retirement System | 7,301 | $49.3K | 0.00% | −15,445−67.9% | Reduced |
| Verition Fund Management LLC | 10,849 | $73.2K | 0.00% | +10,849 | New |
| EntryPoint Capital, LLC | 11,033 | $74.5K | 0.07% | −9,935−47.4% | Reduced |
| Raymond James & Associates | 11,364 | $76.7K | 0.00% | +842+8.0% | Added |
| Virtus ETF Advisers LLC | 11,901 | $80.3K | 0.04% | −816−6.4% | Reduced |
| Sherbrooke Park Advisers LLC | 11,915 | $80.4K | 0.02% | +11,915 | New |
| Citigroup Inc | 13,256 | $89.5K | 0.00% | +6,756+103.9% | Added |
| ADAR1 Capital Management, LLC | 15,021 | $101.4K | 0.03% | +8,021+114.6% | Added |
| Landscape Capital Management, L.L.C. | 17,517 | $118.2K | 0.01% | −33,499−65.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 17,821 | $120.0K | 0.00% | +17,821 | New |
| Simplex Trading, LLC | 18,429 | $124.0K | 0.00% | +18,429 | New |
| China Universal Asset Management Co., Ltd. | 18,718 | $126.3K | 0.02% | +7,459+66.2% | Added |
| Ausdal Financial Partners, Inc. | 19,300 | $130.3K | 0.02% | −1,000−4.9% | Reduced |
| ProShare Advisors LLC | 19,871 | $134.1K | 0.00% | +8,176+69.9% | Added |
| Price T Rowe Associates Inc | 20,703 | $140.0K | 0.00% | +20,703 | New |
| Virtu Financial LLC | 21,834 | $147.0K | 0.01% | +21,834 | New |
| Voya Investment Management LLC | 22,762 | $153.6K | 0.00% | +9,332+69.5% | Added |
| Manufacturers Life Insurance Company, The | 25,606 | $172.8K | 0.00% | +3,238+14.5% | Added |
| Invesco Ltd. | 26,073 | $176.0K | 0.00% | +5,723+28.1% | Added |
| Russell Investments Group, Ltd. | 27,108 | $183.0K | 0.00% | +27,108 | New |
| Shay Capital LLC | 27,227 | $183.8K | 0.05% | +27,227 | New |
| Public Employees Retirement System of Ohio | 28,418 | $191.8K | 0.00% | +28,418 | New |
| Capstone Investment Advisors, LLC | 31,506 | $212.7K | 0.00% | +4,161+15.2% | Added |
| New York State Common Retirement Fund | 32,429 | $218.9K | 0.00% | +19,248+146.0% | Added |
| Deutsche Bank AG | 33,279 | $224.6K | 0.00% | +18,763+129.3% | Added |
| Cubist Systematic Strategies, LLC | 34,881 | $235.4K | 0.00% | −124,086−78.1% | Reduced |
| Ghisallo Capital Management LLC | 35,000 | $236.3K | 0.03% | −35,000−50.0% | Reduced |
| American International Group, Inc. | 35,793 | $241.6K | 0.00% | +19,318+117.3% | Added |
| Wells Fargo & Company | 37,834 | $255.4K | 0.00% | +17,919+90.0% | Added |
| MetLife Investment Management | 38,201 | $257.9K | 0.00% | +20,042+110.4% | Added |
| STRS Ohio | 39,800 | $268.0K | 0.00% | −2,500−5.9% | Reduced |
| ExodusPoint Capital Management, LP | 40,381 | $273.0K | 0.00% | +40,381 | New |
| Prelude Capital Management, LLC | 41,007 | $276.8K | 0.02% | +30,501+290.3% | Added |
| Boothbay Fund Management, LLC | 44,643 | $301.3K | 0.01% | −55,703−55.5% | Reduced |
| Prudential Financial Inc | 47,292 | $319.2K | 0.00% | −31,151−39.7% | Reduced |
| Balyasny Asset Management LLC | 53,323 | $359.9K | 0.00% | +53,323 | New |
| Alliancebernstein L.P. | 56,730 | $382.9K | 0.00% | +31,800+127.6% | Added |
| Alps Advisors Inc | 68,659 | $463.4K | 0.00% | +4,032+6.2% | Added |
| UBS Oconnor LLC | 71,412 | $482.0K | 0.01% | +11,412+19.0% | Added |
| Dark Forest Capital Management LP | 72,450 | $489.0K | 0.08% | +72,450 | New |
| Susquehanna International Group, LLP | 74,587 | $503.5K | 0.00% | +51,491+222.9% | Added |
| Rhumbline Advisers | 86,525 | $584.0K | 0.00% | +41,278+91.2% | Added |
| Bank of America Corp | 93,573 | $631.6K | 0.00% | +10,293+12.4% | Added |
| Lighthouse Investment Partners, LLC | 115,808 | $781.7K | 0.05% | +29,157+33.6% | Added |
| Renaissance Technologies LLC | 125,018 | $844.0K | 0.00% | +125,018 | New |
| Blair William & Co | 138,595 | $935.5K | 0.00% | +138,595 | New |
| Bank of New York Mellon Corp | 182,337 | $1.23M | 0.00% | +86,627+90.5% | Added |
| Ameriprise Financial Inc | 190,703 | $1.29M | 0.00% | +94,012+97.2% | Added |
| Nuveen Asset Management, LLC | 191,457 | $1.29M | 0.00% | +123,686+182.5% | Added |
| DAFNA Capital Management LLC | 202,587 | $1.37M | 0.31% | −168,613−45.4% | Reduced |
| Polar Asset Management Partners Inc. | 222,400 | $1.50M | 0.04% | +222,400 | New |
| Point72 Asset Management, L.P. | 223,500 | $1.51M | 0.00% | −221,492−49.8% | Reduced |
| Sectoral Asset Management Inc | 244,000 | $1.65M | 0.65% | −81,549−25.0% | Reduced |
| UBS Group AG | 251,043 | $1.69M | 0.00% | +249,208+13,580.8% | Added |
| Charles Schwab Investment Management Inc | 340,871 | $2.30M | 0.00% | +93,115+37.6% | Added |
| Jane Street Group, LLC | 369,196 | $2.49M | 0.00% | +335,568+997.9% | Added |
| Kynam Capital Management, LP | 396,379 | $2.68M | 0.30% | −803,621−67.0% | Reduced |
| Kennedy Capital Management, Inc. | 486,560 | $3.28M | 0.07% | +12,554+2.6% | Added |
| Northern Trust Corp | 519,084 | $3.50M | 0.00% | +228,629+78.7% | Added |
| Jacobs Levy Equity Management, Inc | 586,746 | $3.96M | 0.02% | +586,746 | New |
| Marshall Wace, LLP | 603,871 | $4.08M | 0.01% | −290,311−32.5% | Reduced |
| Morgan Stanley | 665,663 | $4.49M | 0.00% | −216,056−24.5% | Reduced |
| StemPoint Capital LP | 714,773 | $4.82M | 1.29% | +127,400+21.7% | Added |
| Goldman Sachs Group Inc | 755,900 | $5.10M | 0.00% | −363,011−32.4% | Reduced |
| Barclays PLC | 793,170 | $5.35M | 0.00% | +743,686+1,502.9% | Added |
| Eagle Asset Management Inc | 946,521 | $6.30M | 0.03% | +587,787+163.9% | Added |
| VR Adviser, LLC | 937,113 | $6.33M | 0.30% | 00.0% | Unchanged |
| RTW Investments, LP | 978,310 | $6.60M | 0.10% | 00.0% | Unchanged |
| Woodline Partners LP | 1,021,204 | $6.89M | 0.06% | +72,645+7.7% | Added |
| State Street Corp | 1,128,320 | $7.62M | 0.00% | +463,382+69.7% | Added |
| Geode Capital Management, LLC | 1,229,995 | $8.30M | 0.00% | +455,864+58.9% | Added |
| Ikarian Capital, LLC | 1,564,340 | $10.6M | 2.87% | −426,665−21.4% | Reduced |
| Opaleye Management Inc. | 1,580,000 | $10.7M | 2.32% | −2,566,138−61.9% | Reduced |
| Palo Alto Investors LP | 1,715,180 | $11.6M | 1.31% | +1,715,180 | New |
| Franklin Resources Inc | 2,044,121 | $13.8M | 0.00% | +1,238,453+153.7% | Added |
| T. Rowe Price Investment Management, Inc. | 2,119,591 | $14.3M | 0.01% | +2,119,591 | New |
| Artal Group S.A. | 2,405,143 | $16.2M | 0.42% | −630,745−20.8% | Reduced |
| Samsara BioCapital, LLC | 2,523,022 | $17.0M | 2.63% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 2,591,804 | $17.5M | 0.00% | −596,673−18.7% | Reduced |
| Blue Owl Capital Holdings LP | 2,826,028 | $19.1M | 3.81% | +533,038+23.2% | Added |
| General Atlantic LLC | 2,889,668 | $19.5M | 0.45% | 00.0% | Unchanged |
| Tybourne Capital Management (HK) Ltd | 2,906,629 | $19.6M | 3.35% | 00.0% | Unchanged |