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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 2023 vs. Q1 2023

How the institutions holding ACELYRIN, Inc. changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of SLRN: Q1 2023 compared with Q2 2023
MeasureQ1 2023Q2 2023Change
Holders082+82
Shares077.2M+77.2M
Value$0$1.60B+$1.60B

New holders (82)

Institutions that held ACELYRIN, Inc. at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to SLRN in Q2 2023
InstitutionSharesValue% of portfolio
AyurMaya Capital Management Company, LP9,334,735$195.1M100.00%
FMR LLC7,456,238$150.8M0.01%
Citadel Advisors LLC6,039,657$121.3M0.14%
OrbiMed Advisors LLC5,326,302$111.3M2.17%
Opaleye Management Inc.4,158,638$86.9M20.79%
venBio Partners LLC3,857,230$80.6M29.18%
JPMorgan Chase & Co3,703,338$77.4M0.01%
Vanguard Group Inc3,072,180$64.2M0.00%
Ikarian Capital, LLC2,918,426$61.0M21.52%
CHI Advisors LLC2,663,806$55.7M16.90%
Samsara BioCapital, LLC2,256,022$47.2M8.28%
Tybourne Capital Management (HK) Ltd2,230,442$46.6M5.04%
Artal Group S.A.1,821,214$38.1M1.22%
Driehaus Capital Management LLC1,758,797$36.8M0.46%
Decheng Capital Management III (Cayman), LLC1,554,417$32.5M10.19%
General Atlantic LLC1,500,000$31.4M0.49%
Marshall Wace, LLP1,161,528$24.3M0.05%
Alliancebernstein L.P.1,143,274$23.9M0.01%
Wellington Management Group LLP1,048,279$21.9M0.00%
Woodline Partners LP1,035,555$21.6M0.26%
Fred Alger Management, LLC1,010,049$21.1M0.11%
RTW Investments, LP978,310$20.4M0.39%
Price T Rowe Associates Inc889,382$18.6M0.00%
Franklin Resources Inc879,268$18.4M0.01%
BlackRock Inc.847,895$17.7M0.00%
Avidity Partners Management LP750,000$15.7M0.55%
Millennium Management LLC732,020$15.3M0.02%
Deerfield Management Company, L.P. (Series C)650,000$13.6M0.29%
Massachusetts Financial Services Co641,068$13.4M0.00%
Eagle Asset Management Inc520,050$10.9M0.06%
Braidwell LP500,000$10.4M0.34%
Ameriprise Financial Inc404,823$8.46M0.00%
Adage Capital Partners GP, L.L.C.370,000$7.73M0.02%
Redmile Group, LLC364,493$7.62M0.29%
Geode Capital Management, LLC347,768$7.27M0.00%
Goldman Sachs Group Inc309,998$6.48M0.00%
Balyasny Asset Management LLC233,398$4.88M0.01%
Victory Capital Management Inc212,323$4.44M0.00%
Sectoral Asset Management Inc201,017$4.20M0.70%
Jennison Associates LLC200,000$4.18M0.00%
Perceptive Advisors LLC200,000$4.18M0.12%
Blackstone Group Inc.175,000$3.66M0.02%
Charles Schwab Investment Management Inc159,248$3.33M0.00%
Rock Springs Capital Management LP141,876$2.97M0.07%
Boothbay Fund Management, LLC117,536$2.46M0.08%
State Street Corp117,000$2.45M0.00%
ExodusPoint Capital Management, LP111,077$2.32M0.03%
Ensign Peak Advisors, Inc100,000$2.09M0.00%
Bank of Montreal93,315$1.85M0.00%
Ghisallo Capital Management LLC70,000$1.46M0.17%
Holocene Advisors, LP63,421$1.33M0.01%
TD Asset Management Inc61,610$1.29M0.00%
Rokos Capital Management LLP57,500$1.25M0.03%
Northern Trust Corp58,125$1.21M0.00%
Kennedy Capital Management, Inc.55,719$1.16M0.03%
Schonfeld Strategic Advisors LLC55,208$1.15M0.01%
Alyeska Investment Group, L.P.50,070$1.05M0.01%
Davidson Kempner Capital Management LP49,680$1.04M0.02%
Susquehanna International Group, LLP49,650$1.04M0.00%
Manufacturers Life Insurance Company, The42,000$877.8K0.00%
Point72 Middle East FZE37,274$779.0K0.04%
Royal Bank of Canada30,994$648.0K0.00%
Federated Hermes, Inc.30,000$627.0K0.00%
Gilder Gagnon Howe & Co LLC28,483$595.3K0.01%
Jump Financial, LLC23,684$495.0K0.02%
Morgan Stanley18,054$377.3K0.00%
Greenland Capital Management LP16,730$349.7K0.05%
Landscape Capital Management, L.L.C.15,426$322.4K0.04%
Bank of New York Mellon Corp13,223$276.4K0.00%
Zimmer Partners, LP12,000$250.8K0.01%
Sandia Investment Management LP10,000$209.0K0.07%
Jane Street Group, LLC9,695$202.6K0.00%
Simplex Trading, LLC3,511$73.0K0.00%
Tower Research Capital LLC (TRC)3,085$64.5K0.00%
UBS Group AG2,081$43.5K0.00%
Bank of America Corp1,841$38.5K0.00%
Advisor Group Holdings, Inc.1,194$25.0K0.00%
Wells Fargo & Company224$4.68K0.00%
The PNC Financial Services Group, Inc.215$4.49K0.00%
US Bancorp186$3.89K0.00%
Private Trust Co NA149$3.11K0.00%
Foster Dykema Cabot & Co Inc51$1.00K0.00%

Sold out (0)

Institutions that held ACELYRIN, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.

None.