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Acelyrin (SLRN) Institutional Ownership

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$2.12 -0.05 (-2.07%)
As of 11:09 AM Eastern
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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)
62
Total
Institutional Inflows
(last 12 months)
$45.41M
Number of
Institutional Sellers
(last 12 months)
35
Total
Institutional Outflows
(last 12 months)
$80.48M
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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
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%
3/24/2025Wellington Management Group LLP180,539$567K0.0%N/A0.179%
2/19/2025Public Employees Retirement System of Ohio97,347$306K0.0%-4.9%0.097%
2/17/2025venBio Partners LLC3,806,410$11.95M7.0%-1.2%3.794%
2/17/2025Two Sigma Advisers LP16,700$52K0.0%-79.7%0.017%
2/17/2025Stonepine Capital Management LLC132,870$417K0.3%N/A0.132%
2/17/2025Stempoint Capital LP1,704,825$5.35M1.3%+29.4%1.699%
2/17/2025ProShare Advisors LLC25,307$79K0.0%+28.5%0.025%
2/17/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 211,938$665K0.1%+29.4%0.211%
2/17/2025Millennium Management LLC4,714,402$14.80M0.0%-14.1%4.699%
2/17/2025Jacobs Levy Equity Management Inc.662,981$2.08M0.0%-50.0%0.661%
2/17/2025Deutsche Bank AG70,000$220K0.0%+53.4%0.070%
2/17/2025DAFNA Capital Management LLC87,989$276K0.1%-85.4%0.088%
2/17/2025Bank of America Corp DE197,835$621K0.0%+10.7%0.197%
2/17/2025BNP Paribas Financial Markets75,114$236K0.0%N/A0.075%
2/17/2025Ameriprise Financial Inc.228,098$716K0.0%-3.6%0.227%
2/17/2025Algert Global LLC77,060$242K0.0%+18.9%0.077%
2/17/2025Alyeska Investment Group L.P.1,515,878$4.76M0.0%N/A1.511%
2/17/2025Almitas Capital LLC148,704$467K0.1%+506.5%0.148%
2/17/20254WEALTH Advisors Inc.11,212$35K0.0%N/A0.011%
2/14/2025Jane Street Group LLC10,031$31K0.0%-88.8%0.010%
2/14/2025PDT Partners LLC21,860$69K0.0%-72.9%0.022%
2/14/2025Northern Trust Corp630,051$1.98M0.0%+3.8%0.628%
2/14/2025Boothbay Fund Management LLC29,828$94K0.0%+54.8%0.030%
2/14/2025Susquehanna Fundamental Investments LLC237,465$746K0.0%N/A0.237%
2/14/2025Blue Owl Capital Holdings LP2,783,946$8.74M2.1%-0.4%2.775%
2/14/2025Adage Capital Partners GP L.L.C.450,000$1.41M0.0%-17.5%0.449%
2/14/2025T. Rowe Price Investment Management Inc.12,872,124$40.42M0.0%+23.4%12.830%
2/14/2025Hsbc Holdings PLC11,663$36K0.0%N/A0.012%
2/14/2025Dimensional Fund Advisors LP118,241$371K0.0%N/A0.118%
2/13/2025XTX Topco Ltd10,369$33K0.0%N/A0.010%
2/13/2025Barclays PLC116,644$366K0.0%+21.0%0.116%
2/13/2025Kennedy Capital Management LLC446,850$1.40M0.0%-1.3%0.445%
2/13/2025Renaissance Technologies LLC466,921$1.47M0.0%-12.7%0.465%
2/13/2025ADAR1 Capital Management LLC444,967$1.40M0.3%+731.7%0.444%
2/13/2025Bank of Montreal Can14,532$46K0.0%-90.2%0.014%
2/13/2025Russell Investments Group Ltd.66,699$209K0.0%-12.3%0.066%
2/13/2025Wells Fargo & Company MN52,014$163K0.0%+21.9%0.052%
2/12/2025RPO LLC14,693$46K0.0%N/A0.015%
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2/12/2025ExodusPoint Capital Management LP134,680$423K0.0%N/A0.134%
2/12/2025Geode Capital Management LLC1,709,086$5.37M0.0%+3.5%1.703%
2/12/2025Franklin Resources Inc.90,554$284K0.0%-29.6%0.090%
2/12/2025Wellington Management Group LLP180,539$567K0.0%N/A0.180%
2/12/2025JPMorgan Chase & Co.618,127$1.94M0.0%-27.3%0.616%
2/12/2025Ausdal Financial Partners Inc.12,800$40K0.0%-33.7%0.013%
2/11/2025Prudential Financial Inc.14,130$44K0.0%-81.6%0.014%
2/11/2025American Century Companies Inc.78,868$248K0.0%+146.0%0.079%
2/11/2025Intech Investment Management LLC26,587$83K0.0%+71.0%0.026%
2/10/2025Thrivent Financial for Lutherans26,604$84K0.0%-28.8%0.027%
2/7/2025General Atlantic L.P.2,695,327$8.46M0.3%-6.7%2.686%
2/4/2025Los Angeles Capital Management LLC122,003$383K0.0%-14.5%0.122%
1/31/2025New York State Common Retirement Fund15,512$49K0.0%-32.0%0.015%
12/26/2024JPMorgan Chase & Co.850,661$4.19M0.0%-67.3%0.848%
11/27/2024Franklin Resources Inc.128,591$634K0.0%+36.9%0.128%
11/20/2024Virtu Financial LLC10,080$50K0.0%N/A0.010%
11/19/2024Barclays PLC96,408$475K0.0%+208.8%0.096%
11/16/2024Geode Capital Management LLC1,651,614$8.14M0.0%+30.8%1.655%
11/15/2024Barclays PLC96,408$475K0.0%+208.8%0.097%
11/15/2024Public Employees Retirement System of Ohio102,347$505K0.0%+54.6%0.103%
11/15/2024Jane Street Group LLC89,800$443K0.0%-56.0%0.090%
11/15/2024Virtus Investment Advisers Inc.35,700$176K0.1%N/A0.036%
11/15/2024State Street Corp1,273,096$6.28M0.0%+10.0%1.276%
11/15/2024Point72 Asset Management L.P.250,300$1.23M0.0%+566.7%0.251%
11/15/2024Polar Asset Management Partners Inc.71,700$353K0.0%-67.8%0.072%
11/15/2024Ikarian Capital LLC677,074$3.34M0.4%-54.1%0.678%
11/15/2024Jacobs Levy Equity Management Inc.1,326,391$6.54M0.0%-10.4%1.329%
11/15/2024HighTower Advisors LLC10,228$50K0.0%N/A0.010%
11/14/2024PDT Partners LLC80,544$397K0.0%-22.4%0.081%
11/14/2024Verition Fund Management LLC110,115$543K0.0%+55.1%0.110%
11/14/2024Martingale Asset Management L P98,284$485K0.0%N/A0.098%
11/14/2024Acuta Capital Partners LLC364,000$1.80M1.5%N/A0.365%
11/13/2024FMR LLC117,748$580K0.0%-97.5%0.118%
11/12/2024Charles Schwab Investment Management Inc.609,678$3.01M0.0%+81.4%0.611%
11/9/2024Intech Investment Management LLC15,547$77K0.0%N/A0.016%
11/4/2024Los Angeles Capital Management LLC142,693$703K0.0%-9.2%0.143%
10/28/2024US Bancorp DE16,854$83K0.0%+77.1%0.017%
10/25/2024China Universal Asset Management Co. Ltd.19,196$95K0.0%+65.0%0.019%
10/3/2024 SG Americas Securities LLC26,755$132K0.0%+129.6%0.027%
9/16/2024Cubist Systematic Strategies LLC90,022$397K0.0%+158.1%0.090%
9/4/2024Ghisallo Capital Management LLC17,500$77K0.0%-50.0%0.018%
8/19/2024Point72 Asset Management L.P.37,542$166K0.0%-83.2%0.038%
8/16/2024Almitas Capital LLC376,116$1.66M0.7%N/A0.380%
8/15/2024Susquehanna Fundamental Investments LLC160,167$706K0.0%N/A0.162%
8/15/2024Blue Owl Capital Holdings LP2,926,028$12.90M3.6%+3.5%2.955%
8/15/2024The Manufacturers Life Insurance Company29,769$131K0.0%+16.3%0.030%
8/15/2024Millennium Management LLC4,642,056$20.47M0.0%+15.7%4.688%
8/14/2024Squarepoint Ops LLC78,023$344K0.0%N/A0.079%
8/14/2024Cubist Systematic Strategies LLC90,022$397K0.0%+158.1%0.091%
8/14/2024ProShare Advisors LLC15,841$70K0.0%-20.3%0.016%
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8/12/2024XTX Topco Ltd43,300$191K0.0%N/A0.044%
8/9/2024Renaissance Technologies LLC397,618$1.75M0.0%+218.0%0.402%
8/6/2024Acadian Asset Management LLC134,184$590K0.0%N/A0.135%
8/6/2024Los Angeles Capital Management LLC157,093$693K0.0%N/A0.159%
8/1/2024 Rhumbline Advisers108,384$478K0.0%+25.3%0.109%
7/29/2024Principal Financial Group Inc.11,038$49K0.0%N/A0.011%
7/26/2024Bank of New York Mellon Corp223,395$985K0.0%+22.5%0.226%
7/20/2024Nisa Investment Advisors LLC14,081$62K0.0%+58,570.8%0.014%
7/12/2024 SG Americas Securities LLC11,654$51K0.0%N/A0.012%
5/29/2024Opaleye Management Inc.1,580,000$10.67M2.3%-61.9%1.596%
(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, 119 institutional investors and hedge funds held shares of Acelyrin. The most heavily invested institutionals were AyurMaya Capital Management Company LP ($195.10M), Samsara BioCapital LLC ($47.15M), Vanguard Group Inc. ($42.10M), T. Rowe Price Investment Management Inc. ($40.42M), Driehaus Capital Management LLC ($36.76M), Marshall Wace LLP ($24.28M), and CHI Advisors LLC ($23.02M).Learn more on SLRN's institutional investors.

What percentage of Acelyrin stock is owned by institutional investors?

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

Which institutional investors have been buying Acelyrin stock?

Of the 103 institutional investors that purchased Acelyrin stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: AyurMaya Capital Management Company LP ($9.33M), JPMorgan Chase & Co. ($3.70M), CHI Advisors LLC ($2.66M), T. Rowe Price Investment Management Inc. ($2.44M), Samsara BioCapital LLC ($2.26M), Artal Group S.A. ($1.82M), and Driehaus Capital Management LLC ($1.76M).

How much institutional buying is happening at Acelyrin?

Institutional investors have bought a total of 46,395,366 shares in the last 24 months. This purchase volume represents approximately $697.57M in transactions.

Which Acelyrin major shareholders have been selling company stock?

Of the 43 institutional investors that sold Acelyrin stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: FMR LLC ($4.60M), Opaleye Management Inc. ($2.57M), JPMorgan Chase & Co. ($1.98M), Ikarian Capital LLC ($1.56M), Fred Alger Management LLC ($956.84K), Jacobs Levy Equity Management Inc. ($816.88K), and Kynam Capital Management LP ($803.62K).

How much institutional selling is happening at Acelyrin?

Institutional investors have sold a total of 17,552,516 shares in the last 24 months. This volume of shares sold represents approximately $99.11M in transactions.


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This page (NASDAQ:SLRN) was last updated on 4/25/2025 by MarketBeat.com Staff
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