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 2024
Institutional positions in ACELYRIN, Inc. as of Dec 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
- 126
- +5 vs. Q3 2024
- Shares held
- 88.0M
- +766.9K (+0.9%) vs. Q3 2024
- Total value
- $276.4M
- −$153.6M (−35.7%) vs. Q3 2024
- New holders
- 19
- 44 more added
- Sold out
- 14
- 40 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding ACELYRIN, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 157 | $0 | 0.00% | −10−6.0% | Reduced |
| IFP Advisors, Inc | 0 | $6 | 0.00% | 0 | New |
| Allworth Financial LP | 65 | $132 | 0.00% | +65 | New |
| The PNC Financial Services Group, Inc. | 53 | $166 | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 62 | $195 | 0.00% | +62 | New |
| Nisa Investment Advisors, LLC | 83 | $261 | 0.00% | −13,972−99.4% | Reduced |
| Rothschild Investment LLC | 100 | $314 | 0.00% | +30+42.9% | Added |
| Signaturefd, LLC | 175 | $550 | 0.00% | +175 | New |
| Daiwa Securities Group Inc. | 398 | $1.00K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 1,428 | $4.48K | 0.00% | +1,428 | New |
| BFSG, LLC | 1,900 | $5.97K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 2,107 | $6.62K | 0.00% | +2,107 | New |
| Sterling Capital Management LLC | 2,339 | $7.34K | 0.00% | +2,107+908.2% | Added |
| Group One Trading, L.P. | 2,545 | $7.99K | 0.00% | −13,074−83.7% | Reduced |
| Amalgamated Bank | 2,452 | $8.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,859 | $8.98K | 0.00% | +2,856+95,200.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,343 | $10.9K | 0.00% | −267−7.4% | Reduced |
| Simplex Trading, LLC | 4,899 | $15.0K | 0.00% | −14,301−74.5% | Reduced |
| California State Teachers Retirement System | 5,289 | $16.6K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 6,625 | $20.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,897 | $21.7K | 0.00% | +2,971+75.7% | Added |
| Ameritas Investment Partners, Inc. | 7,243 | $22.7K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 10,031 | $31.5K | 0.00% | −79,769−88.8% | Reduced |
| HighTower Advisors, LLC | 10,186 | $32.0K | 0.00% | −42−0.4% | Reduced |
| XTX Topco Ltd | 10,369 | $32.6K | 0.00% | +10,369 | New |
| SEI Investments Co | 10,782 | $33.9K | 0.00% | 00.0% | Unchanged |
| 4WEALTH Advisors, Inc. | 11,212 | $35.2K | 0.04% | +11,212 | New |
| HSBC Holdings PLC | 11,663 | $36.3K | 0.00% | +11,663 | New |
| Ausdal Financial Partners, Inc. | 12,800 | $40.2K | 0.00% | −6,500−33.7% | Reduced |
| Prudential Financial Inc | 14,130 | $44.4K | 0.00% | −62,600−81.6% | Reduced |
| Bank of Montreal | 14,532 | $45.6K | 0.00% | −134,103−90.2% | Reduced |
| Rpo LLC | 14,693 | $46.1K | 0.06% | +14,693 | New |
| Police & Firemen's Retirement System of New Jersey | 14,886 | $46.7K | 0.00% | +14,886 | New |
| Man Group plc | 15,193 | $47.7K | 0.00% | +1,578+11.6% | Added |
| New York State Common Retirement Fund | 15,512 | $48.7K | 0.00% | −7,305−32.0% | Reduced |
| HRT Financial LP | 16,021 | $50.0K | 0.00% | −78,784−83.1% | Reduced |
| Two Sigma Advisers, LP | 16,700 | $52.4K | 0.00% | −65,400−79.7% | Reduced |
| Virtus ETF Advisers LLC | 20,083 | $63.1K | 0.03% | −1,055−5.0% | Reduced |
| China Universal Asset Management Co., Ltd. | 21,273 | $66.8K | 0.01% | +2,077+10.8% | Added |
| PDT Partners, LLC | 21,860 | $68.6K | 0.01% | −58,684−72.9% | Reduced |
| Voya Investment Management LLC | 22,282 | $70.0K | 0.00% | −2,741−11.0% | Reduced |
| Royal Bank of Canada | 22,528 | $71.0K | 0.00% | +14,028+165.0% | Added |
| ProShare Advisors LLC | 25,307 | $79.5K | 0.00% | +5,617+28.5% | Added |
| Invesco Ltd. | 25,766 | $80.9K | 0.00% | +2,777+12.1% | Added |
| Intech Investment Management LLC | 26,587 | $83.5K | 0.00% | +11,040+71.0% | Added |
| Thrivent Financial for Lutherans | 26,604 | $84.0K | 0.00% | −10,737−28.8% | Reduced |
| Price T Rowe Associates Inc | 26,738 | $84.0K | 0.00% | +3,266+13.9% | Added |
| Verition Fund Management LLC | 27,480 | $86.3K | 0.00% | −82,635−75.0% | Reduced |
| Manufacturers Life Insurance Company, The | 28,104 | $88.2K | 0.00% | −701−2.4% | Reduced |
| Boothbay Fund Management, LLC | 29,828 | $93.7K | 0.00% | +10,554+54.8% | Added |
| SG Americas Securities, LLC | 30,488 | $96.0K | 0.00% | +3,733+14.0% | Added |
| Susquehanna International Group, LLP | 34,824 | $109.3K | 0.00% | +6,688+23.8% | Added |
| Virtus Investment Advisers, Inc. | 35,700 | $112.1K | 0.09% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 36,288 | $113.9K | 0.00% | −2,740−7.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 41,908 | $131.6K | 0.00% | +1,824+4.6% | Added |
| MetLife Investment Management | 42,852 | $134.6K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 44,300 | $139.1K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 48,299 | $151.7K | 0.00% | −92−0.2% | Reduced |
| Wells Fargo & Company | 52,014 | $163.3K | 0.00% | +9,332+21.9% | Added |
| Citigroup Inc | 57,911 | $181.8K | 0.00% | +2,979+5.4% | Added |
| Russell Investments Group, Ltd. | 66,699 | $209.4K | 0.00% | −9,341−12.3% | Reduced |
| Deutsche Bank AG | 70,000 | $219.8K | 0.00% | +24,356+53.4% | Added |
| Alliancebernstein L.P. | 73,670 | $231.3K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 75,114 | $235.9K | 0.00% | +75,114 | New |
| Algert Global LLC | 77,060 | $242.0K | 0.01% | +12,230+18.9% | Added |
| American Century Companies Inc | 78,868 | $247.6K | 0.00% | +46,802+146.0% | Added |
| Alps Advisors Inc | 81,129 | $254.7K | 0.00% | +3,883+5.0% | Added |
| DAFNA Capital Management LLC | 87,989 | $276.3K | 0.07% | −514,905−85.4% | Reduced |
| Prelude Capital Management, LLC | 88,181 | $276.9K | 0.02% | +58,755+199.7% | Added |
| Franklin Resources Inc | 90,554 | $284.3K | 0.00% | −38,037−29.6% | Reduced |
| Public Employees Retirement System of Ohio | 97,347 | $305.7K | 0.00% | −5,000−4.9% | Reduced |
| Acadian Asset Management LLC | 101,514 | $318.0K | 0.00% | −91,203−47.3% | Reduced |
| Martingale Asset Management L P | 102,596 | $322.2K | 0.01% | +4,312+4.4% | Added |
| Rhumbline Advisers | 108,243 | $339.9K | 0.00% | +1,862+1.8% | Added |
| Barclays PLC | 116,644 | $366.3K | 0.00% | +20,236+21.0% | Added |
| Dimensional Fund Advisors LP | 118,241 | $371.3K | 0.00% | +118,241 | New |
| Los Angeles Capital Management LLC | 122,003 | $383.1K | 0.00% | −20,690−14.5% | Reduced |
| Stonepine Capital Management, LLC | 132,870 | $417.2K | 0.34% | +132,870 | New |
| ExodusPoint Capital Management, LP | 134,680 | $423.0K | 0.00% | +134,680 | New |
| Blair William & Co | 138,595 | $435.2K | 0.00% | 00.0% | Unchanged |
| Almitas Capital LLC | 148,704 | $466.9K | 0.10% | +124,185+506.5% | Added |
| FMR LLC | 164,311 | $515.9K | 0.00% | +46,563+39.5% | Added |
| Bank of New York Mellon Corp | 176,899 | $555.5K | 0.00% | +684+0.4% | Added |
| Wellington Management Group LLP | 180,539 | $566.9K | 0.00% | +180,539 | New |
| UBS Group AG | 187,005 | $587.2K | 0.00% | +148,199+381.9% | Added |
| Hudson Bay Capital Management LP | 196,620 | $617.4K | 0.00% | −3,380−1.7% | Reduced |
| Bank of America Corp | 197,835 | $621.2K | 0.00% | +19,165+10.7% | Added |
| Nuveen Asset Management, LLC | 202,239 | $635.0K | 0.00% | 00.0% | Unchanged |
| UBS Oconnor LLC | 211,938 | $665.5K | 0.02% | +48,214+29.4% | Added |
| Ameriprise Financial Inc | 228,098 | $716.2K | 0.00% | −8,564−3.6% | Reduced |
| Exome Asset Management LLC | 234,435 | $736.1K | 0.55% | +234,435 | New |
| Susquehanna Fundamental Investments, LLC | 237,465 | $745.6K | 0.01% | +237,465 | New |
| TD Asset Management Inc | 267,656 | $840.4K | 0.00% | +93,276+53.5% | Added |
| ADAR1 Capital Management, LLC | 444,967 | $1.40M | 0.29% | +391,467+731.7% | Added |
| Kennedy Capital Management, Inc. | 446,850 | $1.40M | 0.03% | −5,920−1.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 450,000 | $1.41M | 0.00% | −95,476−17.5% | Reduced |
| Renaissance Technologies LLC | 466,921 | $1.47M | 0.00% | −67,897−12.7% | Reduced |
| Goldman Sachs Group Inc | 569,910 | $1.79M | 0.00% | +47,988+9.2% | Added |
| Marshall Wace, LLP | 572,048 | $1.80M | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 614,474 | $1.93M | 0.00% | +4,796+0.8% | Added |