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Acelyrin (SLRN) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for Acelyrin (NASDAQ:SLRN)

Current
Institutional Ownership
Percentage
87.31%
Number of
Institutional Buyers
(last 12 months)
55
Total
Institutional Inflows
(last 12 months)
$40.88M
Number of
Institutional Sellers
(last 12 months)
35
Total
Institutional Outflows
(last 12 months)
$71.21M
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SLRN Institutional Buying and Selling by Quarter

Acelyrin Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/27/2025 Goldman Sachs Group Inc.351,407$868K0.0%-38.3%0.348%
5/29/2025 Rhumbline Advisers102,174$252K0.0%-5.6%0.101%
5/28/2025 Strs Ohio44,300$109K0.0%N/A0.044%
5/16/2025 Goldman Sachs Group Inc.351,407$868K0.0%-38.3%0.348%
5/16/2025 HGC Investment Management Inc.70,425$174K0.1%N/A0.070%
5/16/2025 AQR Capital Management LLC193,323$478K0.0%N/A0.192%
5/16/2025 Alyeska Investment Group L.P.615,878$1.52M0.0%-59.4%0.610%
5/15/2025 Velan Capital Investment Management LP3,366,945$8.32M8.6%N/A3.337%
5/14/2025 MetLife Investment Management LLC18,493$46K0.0%-56.8%0.018%
5/14/2025 Stonepine Capital Management LLC167,580$414K0.4%+26.1%0.166%
5/14/2025 T. Rowe Price Investment Management Inc.4,649,865$11.49M0.0%-63.9%4.608%
5/13/2025 American Century Companies Inc.91,390$226K0.0%+15.9%0.091%
5/12/2025 Nuveen LLC202,239$500K0.0%N/A0.200%
5/12/2025 Invesco Ltd.85,520$211K0.0%+231.9%0.085%
5/9/2025 Deutsche Bank AG61,539$152K0.0%-12.1%0.061%
5/9/2025 Charles Schwab Investment Management Inc.544,575$1.35M0.0%-11.4%0.540%
5/8/2025 Monaco Asset Management SAM139,600$345K0.1%N/A0.138%
5/8/2025 XTX Topco Ltd103,047$255K0.0%+893.8%0.102%
5/6/2025 Towerview LLC540,000$1.33M1.0%N/A0.535%
5/6/2025 Tabor Asset Management LP48,557$120K0.0%N/A0.048%
5/5/2025 Tabor Asset Management LP48,557$120K0.0%N/A0.048%
5/1/2025 CWM LLC13,090$32K0.0%+8,237.6%0.013%
4/30/2025 Cerity Partners LLC10,419$26K0.0%N/A0.010%
4/30/2025 Alps Advisors Inc.74,640$184K0.0%-8.0%0.074%
4/30/2025 Nisa Investment Advisors LLC16,586$41K0.0%+19,883.1%0.016%
4/23/2025 Western Wealth Management LLC25,000$62K0.0%N/A0.025%
4/8/2025 Rhumbline Advisers102,174$252K0.0%-5.6%0.101%
3/24/2025 Wellington Management Group LLP180,539$567K0.0%N/A0.179%
2/19/2025 Public Employees Retirement System of Ohio97,347$306K0.0%-4.9%0.097%
2/17/2025 venBio Partners LLC3,806,410$11.95M7.0%-1.2%3.794%
2/17/2025 Two Sigma Advisers LP16,700$52K0.0%-79.7%0.017%
2/17/2025 Stonepine Capital Management LLC132,870$417K0.3%N/A0.132%
2/17/2025 Stempoint Capital LP1,704,825$5.35M1.3%+29.4%1.699%
2/17/2025 ProShare Advisors LLC25,307$79K0.0%+28.5%0.025%
2/17/2025 OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC211,938$665K0.1%+29.4%0.211%
2/17/2025 Millennium Management LLC4,714,402$14.80M0.0%-14.1%4.699%
2/17/2025 Jacobs Levy Equity Management Inc.662,981$2.08M0.0%-50.0%0.661%
2/17/2025 Deutsche Bank AG70,000$220K0.0%+53.4%0.070%
2/17/2025 DAFNA Capital Management LLC87,989$276K0.1%-85.4%0.088%
2/17/2025 Bank of America Corp DE197,835$621K0.0%+10.7%0.197%
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2/17/2025 BNP Paribas Financial Markets75,114$236K0.0%N/A0.075%
2/17/2025 Ameriprise Financial Inc.228,098$716K0.0%-3.6%0.227%
2/17/2025 Algert Global LLC77,060$242K0.0%+18.9%0.077%
2/17/2025 Alyeska Investment Group L.P.1,515,878$4.76M0.0%N/A1.511%
2/17/2025 Almitas Capital LLC148,704$467K0.1%+506.5%0.148%
2/17/2025 4WEALTH Advisors Inc.11,212$35K0.0%N/A0.011%
2/14/2025 Jane Street Group LLC10,031$31K0.0%-88.8%0.010%
2/14/2025 PDT Partners LLC21,860$69K0.0%-72.9%0.022%
2/14/2025 Northern Trust Corp630,051$1.98M0.0%+3.8%0.628%
2/14/2025 Boothbay Fund Management LLC29,828$94K0.0%+54.8%0.030%
2/14/2025 Susquehanna Fundamental Investments LLC237,465$746K0.0%N/A0.237%
2/14/2025 Blue Owl Capital Holdings LP2,783,946$8.74M2.1%-0.4%2.775%
2/14/2025 Adage Capital Partners GP L.L.C.450,000$1.41M0.0%-17.5%0.449%
2/14/2025 T. Rowe Price Investment Management Inc.12,872,124$40.42M0.0%+23.4%12.830%
2/14/2025 Hsbc Holdings PLC11,663$36K0.0%N/A0.012%
2/14/2025 Dimensional Fund Advisors LP118,241$371K0.0%N/A0.118%
2/13/2025 XTX Topco Ltd10,369$33K0.0%N/A0.010%
2/13/2025 Barclays PLC116,644$366K0.0%+21.0%0.116%
2/13/2025 Kennedy Capital Management LLC446,850$1.40M0.0%-1.3%0.445%
2/13/2025 Renaissance Technologies LLC466,921$1.47M0.0%-12.7%0.465%
2/13/2025 ADAR1 Capital Management LLC444,967$1.40M0.3%+731.7%0.444%
2/13/2025 Bank of Montreal Can14,532$46K0.0%-90.2%0.014%
2/13/2025 Russell Investments Group Ltd.66,699$209K0.0%-12.3%0.066%
2/13/2025 Wells Fargo & Company MN52,014$163K0.0%+21.9%0.052%
2/12/2025 RPO LLC14,693$46K0.0%N/A0.015%
2/12/2025 ExodusPoint Capital Management LP134,680$423K0.0%N/A0.134%
2/12/2025 Geode Capital Management LLC1,709,086$5.37M0.0%+3.5%1.703%
2/12/2025 Franklin Resources Inc.90,554$284K0.0%-29.6%0.090%
2/12/2025 Wellington Management Group LLP180,539$567K0.0%N/A0.180%
2/12/2025 JPMorgan Chase & Co.618,127$1.94M0.0%-27.3%0.616%
2/12/2025 Ausdal Financial Partners Inc.12,800$40K0.0%-33.7%0.013%
2/11/2025 Prudential Financial Inc.14,130$44K0.0%-81.6%0.014%
2/11/2025 American Century Companies Inc.78,868$248K0.0%+146.0%0.079%
2/11/2025 Intech Investment Management LLC26,587$83K0.0%+71.0%0.026%
2/10/2025 Thrivent Financial for Lutherans26,604$84K0.0%-28.8%0.027%
2/7/2025 General Atlantic L.P.2,695,327$8.46M0.3%-6.7%2.686%
2/4/2025 Los Angeles Capital Management LLC122,003$383K0.0%-14.5%0.122%
1/31/2025 New York State Common Retirement Fund15,512$49K0.0%-32.0%0.015%
12/26/2024 JPMorgan Chase & Co.850,661$4.19M0.0%-67.3%0.848%
11/27/2024 Franklin Resources Inc.128,591$634K0.0%+36.9%0.128%
11/20/2024 Virtu Financial LLC10,080$50K0.0%N/A0.010%
11/19/2024 Barclays PLC96,408$475K0.0%+208.8%0.096%
11/16/2024 Geode Capital Management LLC1,651,614$8.14M0.0%+30.8%1.655%
11/15/2024 Barclays PLC96,408$475K0.0%+208.8%0.097%
11/15/2024 Public Employees Retirement System of Ohio102,347$505K0.0%+54.6%0.103%
11/15/2024 Jane Street Group LLC89,800$443K0.0%-56.0%0.090%
11/15/2024 Virtus Investment Advisers Inc.35,700$176K0.1%N/A0.036%
11/15/2024 State Street Corp1,273,096$6.28M0.0%+10.0%1.276%
11/15/2024 Point72 Asset Management L.P.250,300$1.23M0.0%+566.7%0.251%
11/15/2024 Polar Asset Management Partners Inc.71,700$353K0.0%-67.8%0.072%
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11/15/2024 Ikarian Capital LLC677,074$3.34M0.4%-54.1%0.678%
11/15/2024 Jacobs Levy Equity Management Inc.1,326,391$6.54M0.0%-10.4%1.329%
11/15/2024 HighTower Advisors LLC10,228$50K0.0%N/A0.010%
11/14/2024 PDT Partners LLC80,544$397K0.0%-22.4%0.081%
11/14/2024 Verition Fund Management LLC110,115$543K0.0%+55.1%0.110%
11/14/2024 Martingale Asset Management L P98,284$485K0.0%N/A0.098%
11/14/2024 Acuta Capital Partners LLC364,000$1.80M1.5%N/A0.365%
11/13/2024 FMR LLC117,748$580K0.0%-97.5%0.118%
11/12/2024 Charles Schwab Investment Management Inc.609,678$3.01M0.0%+81.4%0.611%
11/9/2024 Intech Investment Management LLC15,547$77K0.0%N/A0.016%
(Data available from 1/1/2016 forward)

SLRN Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of SLRN shares?

During the previous two years, 123 institutional investors and hedge funds held shares of Acelyrin. The most heavily invested institutionals were Vanguard Group Inc. ($42.10M), CHI Advisors LLC ($23.02M), Artal Group S.A. ($16.24M), Decheng Capital Management III Cayman LLC ($15.75M), Millennium Management LLC ($14.80M), venBio Partners LLC ($11.95M), and T. Rowe Price Investment Management Inc. ($11.49M).Learn more on Acelyrin's institutional investors.

What percentage of Acelyrin's stock is owned by institutional investors?

87.31% of Acelyrin's stock is owned by institutional investors. Learn more on SLRN's institutional investor holdings.

Which institutional investors have been buying Acelyrin's stock?

Of the 97 institutional investors that purchased Acelyrin's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Velan Capital Investment Management LP ($3.37M), T. Rowe Price Investment Management Inc. ($2.44M), Alyeska Investment Group L.P. ($1.52M), FMR LLC ($1.51M), Decheng Capital LLC ($1.37M), Kynam Capital Management LP ($1.20M), and Millennium Management LLC ($628.53K).

How much institutional buying is happening at Acelyrin?

Institutional investors have bought a total of 13,023,113 shares in the last 24 months. This purchase volume represents approximately $40.88M in transactions.

Which of Acelyrin's major shareholders have been selling company stock?

Of the 35 institutional investors that sold Acelyrin's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: T. Rowe Price Investment Management Inc. ($8.22M), FMR LLC ($4.60M), JPMorgan Chase & Co. ($1.98M), Alyeska Investment Group L.P. ($900K), Jacobs Levy Equity Management Inc. ($816.88K), Ikarian Capital LLC ($798K), and Millennium Management LLC ($772.77K).

How much institutional selling is happening at Acelyrin?

Institutional investors have sold a total of 20,406,331 shares in the last 24 months. This volume of shares sold represents approximately $71.21M in transactions.


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This page (NASDAQ:SLRN) was last updated on 8/28/2025 by MarketBeat.com Staff
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