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.
Q4 2023 vs. Q3 2023
How the institutions holding ACELYRIN, Inc. changed between Q3 2023 and Q4 2023.
All holders in Q4 2023All holders in Q3 2023
| Measure | Q3 2023 | Of which not filed for Q4 2023 | Q4 2023 | Change |
|---|---|---|---|---|
| Holders | 102 | 2 | 110 | +10 |
| Shares | 83.8M | 3.81M | 84.8M | +4.81M (+6.0%) |
| Value | $847.0M | $38.8M | $632.6M | −$175.7M (−21.7%) |
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.
New holders (35)
Institutions that held ACELYRIN, Inc. at the end of Q4 2023 but not at the end of Q3 2023.
Sold out (25)
Institutions that held ACELYRIN, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| EcoR1 Capital, LLC | 1,402,201 | $14.3M |
| Driehaus Capital Management LLC | 1,319,349 | $13.4M |
| Massachusetts Financial Services Co | 642,158 | $6.53M |
| Deep Track Capital, LP | 551,289 | $5.61M |
| Price T Rowe Associates Inc | 458,261 | $4.66M |
| Schonfeld Strategic Advisors LLC | 202,662 | $2.06M |
| Perceptive Advisors LLC | 200,000 | $2.03M |
| Ghost Tree Capital, LLC | 200,000 | $2.03M |
| Rafferty Asset Management, LLC | 173,696 | $1.77M |
| Tri Locum Partners LP | 155,573 | $1.58M |
| Rock Springs Capital Management LP | 141,876 | $1.44M |
| Ensign Peak Advisors, Inc | 100,000 | $1.02M |
| TD Asset Management Inc | 75,164 | $764.4K |
| Fred Alger Management, LLC | 53,206 | $541.1K |
| Caption Management, LLC | 50,377 | $512.3K |
| Walleye Trading LLC | 31,428 | $319.6K |
| Profund Advisors LLC | 29,232 | $297.3K |
| Man Group plc | – | $192.9K |
| XTX Topco Ltd | 12,401 | $126.1K |
| Creative Financial Designs Inc | 300 | $3.05K |
| Meeder Asset Management Inc | 122 | $1.24K |
| Private Trust Co NA | 108 | $1.10K |
| US Bancorp | 32 | $325 |
| Bell Investment Advisors, Inc | 18 | $184 |
| Grove Bank & Trust | 18 | $183 |
Not filed for Q4 2023 yet (2)
Institutions that held ACELYRIN, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| CHI Advisors LLC | 2,262,990 | $23.0M |
| Decheng Capital Management III (Cayman), LLC | 1,548,317 | $15.7M |