Skip to main content

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.

Q2 2025 vs. Q1 2025

How the institutions holding ACELYRIN, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of SLRN: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders1062−104
Shares73.9M285−73.9M (−100.0%)
Value$182.6M$704−$182.6M (−100.0%)

New holders (1)

Institutions that held ACELYRIN, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to SLRN in Q2 2025
InstitutionSharesValue% of portfolio
Advisor Group Holdings, Inc.282$6970.00%

Sold out (105)

Institutions that held ACELYRIN, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Showing the largest 100 of 105 by value.

Institutions that sold out of SLRN in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Tang Capital Management LLC9,818,115$24.3M
AyurMaya Capital Management Company, LP9,334,735$23.1M
BlackRock, Inc.5,805,096$14.3M
T. Rowe Price Investment Management, Inc.4,649,865$11.5M
Madison Avenue Partners, LP4,142,640$10.2M
Vanguard Group Inc4,079,706$10.1M
OrbiMed Advisors LLC4,001,711$9.88M
venBio Partners LLC3,806,410$9.40M
Velan Capital Investment Management LP3,366,945$8.32M
Tybourne Capital Management (HK) Ltd2,906,629$7.18M
General Atlantic LLC2,695,327$6.66M
Samsara BioCapital, LLC2,523,022$6.23M
Palo Alto Investors LP1,792,895$4.43M
Geode Capital Management, LLC1,773,818$4.38M
Opaleye Management Inc.1,615,000$3.99M
State Street Corp1,420,068$3.51M
Balyasny Asset Management LLC1,305,015$3.22M
Alyeska Investment Group, L.P.615,878$1.52M
Renaissance Technologies LLC599,800$1.48M
Northern Trust Corp598,151$1.48M
JPMorgan Chase & Co590,846$1.46M
Cantor Fitzgerald, L. P.588,664$1.45M
Charles Schwab Investment Management Inc544,575$1.35M
Towerview LLC540,000$1.33M
Goldman Sachs Group Inc351,407$868.0K
Morgan Stanley275,815$681.3K
Susquehanna Fundamental Investments, LLC273,412$675.3K
Nuveen, LLC202,239$499.5K
AQR Capital Management LLC193,323$477.5K
Wellington Management Group LLP179,150$442.5K
Citadel Advisors LLC176,437$435.8K
Bank of New York Mellon Corp173,277$428.0K
Stonepine Capital Management, LLC167,580$413.9K
Millennium Management LLC149,298$368.8K
Bridgeway Capital Management, LLC140,900$348.0K
Monaco Asset Management SAM139,600$344.8K
Blair William & Co138,595$342.3K
Franklin Resources Inc127,023$313.7K
Los Angeles Capital Management LLC109,612$270.7K
UBS Group AG103,525$255.7K
XTX Topco Ltd103,047$254.5K
Rhumbline Advisers102,174$252.4K
American Century Companies Inc91,390$225.7K
Susquehanna International Group, LLP90,669$224.0K
Invesco Ltd.85,520$211.2K
Barclays PLC82,871$204.7K
Alps Advisors Inc74,640$184.4K
Alliancebernstein L.P.73,670$182.0K
HGC Investment Management Inc.70,425$173.9K
Deutsche Bank AG61,539$152.0K
Citigroup Inc53,629$132.5K
Marshall Wace, LLP53,100$131.2K
Wells Fargo & Company52,608$129.9K
LMR Partners LLP50,000$123.5K
Intech Investment Management LLC49,830$123.1K
Yakira Capital Management, Inc.48,557$119.9K
Virtus Investment Advisers, Inc.46,372$114.5K
Dimensional Fund Advisors LP44,755$110.5K
STRS Ohio44,300$109.4K
Mirae Asset Global ETFs Holdings Ltd.43,780$108.1K
Bank of America Corp36,410$89.9K
Corebridge Financial, Inc.36,269$89.6K
Prelude Capital Management, LLC36,220$89.5K
Price T Rowe Associates Inc34,515$86.0K
Mariner, LLC31,389$77.5K
Manufacturers Life Insurance Company, The28,717$70.9K
SG Americas Securities, LLC27,110$67.0K
Western Wealth Management, LLC25,000$61.8K
CSS LLC24,564$60.7K
Voya Investment Management LLC20,768$51.3K
ProShare Advisors LLC20,570$50.8K
China Universal Asset Management Co., Ltd.20,199$49.9K
MetLife Investment Management18,493$45.7K
Nisa Investment Advisors, LLC16,586$41.0K
CIBC World Markets Corp16,427$40.6K
New York State Common Retirement Fund15,512$38.3K
Bank of Montreal15,227$37.6K
Two Sigma Advisers, LP15,100$37.3K
Police & Firemen's Retirement System of New Jersey14,886$36.8K
CWM, LLC13,090$32.0K
Ausdal Financial Partners, Inc.12,800$31.6K
SEI Investments Co10,782$26.6K
Cerity Partners LLC10,419$25.7K
Quadrature Capital Ltd10,246$25.3K
HighTower Advisors, LLC10,031$24.8K
FNY Investment Advisers, LLC10,000$24.0K
Group One Trading, L.P.7,662$18.9K
Ameritas Investment Partners, Inc.7,243$17.9K
Legal & General Group Plc6,625$16.3K
California State Teachers Retirement System5,289$13.1K
Royal Bank of Canada5,263$13.0K
BNP Paribas Arbitrage, SA5,061$12.5K
FMR LLC4,976$12.3K
Tower Research Capital LLC (TRC)3,637$8.98K
Mirae Asset Global Investments Co., Ltd.3,370$8.76K
GF Fund Management Co. Ltd.2,569$6.34K
Amalgamated Bank2,452$6.00K
Sterling Capital Management LLC1,311$3.24K
Caitong International Asset Management Co., Ltd1,279$3.16K
Daiwa Securities Group Inc.398$1.00K