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Cabaletta Bio (CABA) Institutional Ownership

Cabaletta Bio logo
$2.76 +0.05 (+1.85%)
Closing price 08/6/2026 04:00 PM Eastern
Extended Trading
$2.78 +0.02 (+0.83%)
As of 05:19 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Cabaletta Bio (NASDAQ:CABA)

Number of
Institutional Buyers
(last 12 months)
57
Total
Institutional Inflows
(last 12 months)
$58.57M
Number of
Institutional Sellers
(last 12 months)
22
Total
Institutional Outflows
(last 12 months)
$35.35M
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CABA Institutional Buying and Selling by Quarter

Cabaletta Bio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/6/2026Bank of New York Mellon Corp304,819$948K0.0%N/A0.187%
8/6/2026GSA Capital Partners LLP668,563$2.08M0.1%N/A0.410%
5/19/2026Bank of America Corp DE269,257$724K0.0%+1,770.9%0.242%
5/16/2026SummitTX Capital L.P.12,522$34K0.0%N/A0.011%
5/15/2026OMERS ADMINISTRATION Corp54,100$146K0.0%-43.3%0.049%
5/14/2026Renaissance Technologies LLC2,036,663$5.48M0.0%+33.8%1.830%
5/7/2026Dimensional Fund Advisors LP740,648$1.99M0.0%+63.8%0.665%
5/6/2026 Jennison Associates LLC8,970,578$24.13M0.0%+0.7%8.058%
4/30/2026 Kestra Advisory Services LLC11,750$32K0.0%N/A0.011%
4/27/2026 Private Advisor Group LLC18,025$48K0.0%+22.4%0.016%
4/21/2026 Grey Ledge Advisors LLC20,000$54K0.0%N/A0.018%
2/19/2026T. Rowe Price Investment Management Inc.9,858,257$21.59M0.0%+17.9%10.241%
2/19/2026Invesco Ltd.189,195$414K0.0%+54.1%0.197%
2/18/2026Mercer Global Advisors Inc. ADV26,510$58K0.0%N/A0.028%
2/18/2026KVP Capital Advisors LP505,431$1.11M1.1%N/A0.525%
2/18/2026XTX Topco Ltd155,387$340K0.0%-45.3%0.161%
2/18/2026Ikarian Capital LLC900,000$1.97M0.2%N/A0.935%
2/18/2026Superstring Capital Management LP2,253,550$4.94M2.6%+45.9%2.341%
2/18/2026Quadrature Capital Ltd66,377$145K0.0%+54.7%0.069%
2/18/2026Opaleye Management Inc.900,000$1.97M0.3%+11.3%0.935%
2/18/2026Millennium Management LLC2,736,912$5.99M0.0%+298.5%2.843%
2/18/2026Cormorant Asset Management LP4,400,000$9.64M0.4%-12.0%4.571%
2/18/2026Balyasny Asset Management L.P.51,552$113K0.0%N/A0.054%
2/18/2026Boothbay Fund Management LLC243,445$533K0.0%N/A0.253%
2/18/2026Bridgeway Capital Management LLC130,675$286K0.0%+36.6%0.136%
2/18/2026683 Capital Management LLC388,562$851K0.0%N/A0.404%
2/17/2026Schonfeld Strategic Advisors LLC1,204,070$2.64M0.0%+15.3%1.251%
2/17/2026Price T Rowe Associates Inc. MD1,093,959$2.40M0.0%-15.5%1.136%
2/17/2026T. Rowe Price Investment Management Inc.4,004,046$8.77M0.0%-52.1%4.160%
2/17/2026Fred Alger Management LLC28,021$61K0.0%-53.2%0.029%
2/17/2026Graham Capital Management L.P.151,451$332K0.0%N/A0.157%
2/16/2026Squarepoint Ops LLC149,094$327K0.0%+1,156.3%0.155%
2/16/2026OMERS ADMINISTRATION Corp95,400$209K0.0%N/A0.099%
2/16/2026Barclays PLC220,696$483K0.0%+7,058.5%0.229%
2/13/2026Marshall Wace LLP959,076$2.10M0.0%-27.7%0.996%
2/13/2026Hudson Bay Capital Management LP138,729$304K0.0%N/A0.144%
2/13/2026Schroder Investment Management Group756,637$1.63M0.0%N/A0.786%
2/13/2026State Street Corp425,478$932K0.0%+12.9%0.442%
2/13/2026Dynamic Technology Lab Private Ltd66,789$146K0.0%N/A0.069%
2/12/2026Renaissance Technologies LLC1,522,583$3.33M0.0%+13.7%1.582%
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2/12/2026Dimensional Fund Advisors LP452,039$990K0.0%N/A0.470%
2/12/2026Ensign Peak Advisors Inc550,000$1.20M0.0%N/A0.571%
2/12/2026 Raiffeisen Bank International AG450,000$968K0.0%+28.6%0.467%
2/11/2026Letko Brosseau & Associates Inc.90,475$198K0.0%N/A0.094%
2/11/2026LPL Financial LLC42,615$93K0.0%N/A0.044%
2/10/2026Clear Harbor Asset Management LLC19,500$43K0.0%N/A0.020%
2/9/2026Geode Capital Management LLC1,085,816$2.38M0.0%+18.0%1.128%
2/5/2026ANTIPODES PARTNERS Ltd17,187$38K0.0%N/A0.018%
1/30/2026 Jennison Associates LLC8,905,699$19.50M0.0%+4.8%9.252%
1/29/2026 China Universal Asset Management Co. Ltd.15,686$34K0.0%N/A0.016%
1/16/2026 Matauro LLC55,108$121K0.0%N/A0.057%
1/9/2026SG Americas Securities LLC30,629$67K0.0%+44.0%0.032%
1/1/2026JPMorgan Chase & Co.537,649$1.26M0.0%+565.4%0.559%
11/18/2025Heights Capital Management Inc.2,084,202$4.88M1.3%-33.7%2.165%
11/17/2025Woodline Partners LP2,135,348$5.00M0.0%+75.2%2.218%
11/17/2025XTX Topco Ltd284,299$665K0.0%+192.3%0.295%
11/17/2025Alyeska Investment Group L.P.1,300,000$3.04M0.0%-72.9%1.351%
11/17/2025Qube Research & Technologies Ltd89,157$209K0.0%N/A0.093%
11/17/2025Millennium Management LLC686,813$1.61M0.0%-19.7%0.713%
11/17/2025Bank of America Corp DE268,058$627K0.0%-46.2%0.278%
11/17/2025Almitas Capital LLC387,491$907K0.2%+5.4%0.403%
11/14/2025Schonfeld Strategic Advisors LLC1,044,169$2.44M0.0%-29.7%1.085%
11/14/2025Burkehill Global Management LP700,000$1.64M0.1%-63.2%0.727%
11/14/2025Two Sigma Investments LP470,475$1.10M0.0%+86.4%0.489%
11/14/2025Bridgeway Capital Management LLC95,675$224K0.0%+109.5%0.099%
11/14/2025Squarepoint Ops LLC11,868$28K0.0%-83.4%0.012%
11/13/2025UBS Group AG405,120$948K0.0%-14.2%0.421%
11/13/2025Jefferies Financial Group Inc.47,500$111K0.0%-97.6%0.049%
11/10/2025 Raiffeisen Bank International AG350,000$833K0.0%+16.7%0.383%
11/7/2025Vanguard Group Inc.4,190,759$9.81M0.0%+21.4%4.582%
11/7/2025JPMorgan Chase & Co.537,649$1.26M0.0%+565.4%0.588%
11/4/2025Jones Financial Companies Lllp20,007$47K0.0%N/A0.022%
11/3/2025Federated Hermes Inc.112,028$262K0.0%-67.5%0.122%
10/31/2025Vanguard Personalized Indexing Management LLC22,151$52K0.0%-11.2%0.024%
10/16/2025 CRA Financial Services LLC15,000$35K0.0%+36.4%0.016%
8/15/2025Tower Research Capital LLC TRC 51,036$78K0.0%+695.6%0.056%
8/15/2025BNP Paribas Financial Markets49,066$75K0.0%-20.1%0.097%
8/15/2025Bain Capital Life Sciences Investors LLC9,677,125$14.71M1.8%+250.5%19.072%
8/15/2025Bank of America Corp DE498,243$757K0.0%-49.4%0.982%
8/15/2025Adage Capital Partners GP L.L.C.8,829,758$13.42M0.0%+142.9%17.402%
8/14/2025The Manufacturers Life Insurance Company 39,770$60K0.0%-30.3%0.078%
8/13/2025Marshall Wace LLP190,957$290K0.0%+470.7%0.376%
8/13/2025Invesco Ltd.84,831$129K0.0%+37.5%0.167%
8/12/2025XTX Topco Ltd97,260$148K0.0%N/A0.192%
8/12/2025Jefferies Financial Group Inc.1,997,208$3.04M0.0%N/A3.936%
8/12/2025JPMorgan Chase & Co.80,796$123K0.0%-67.9%0.159%
8/12/2025Catalyst Funds Management Pty Ltd21,000$32K0.0%N/A0.041%
8/8/2025Geode Capital Management LLC553,462$842K0.0%-51.5%1.091%
8/1/2025 Jennison Associates LLC6,020,167$9.15M0.0%+147.4%11.864%
6/27/2025Goldman Sachs Group Inc.330,541$458K0.0%-35.4%0.651%
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5/21/2025Acadian Asset Management LLC682,670$942K0.0%+36.5%1.345%
5/16/2025Fred Alger Management LLC477,210$661K0.0%-79.4%0.940%
5/16/2025Goldman Sachs Group Inc.330,541$458K0.0%-35.4%0.651%
5/16/2025AQR Capital Management LLC73,956$102K0.0%N/A0.146%
5/16/2025Almitas Capital LLC367,491$509K0.2%N/A0.724%
5/14/2025Comerica Bank41,599$58K0.0%+2,292.1%0.082%
5/14/2025T. Rowe Price Investment Management Inc.3,970,026$5.50M0.0%-2.6%7.824%
5/13/2025Callan Family Office LLC41,599$58K0.0%N/A0.082%
5/12/2025Nuveen LLC434,389$602K0.0%N/A0.856%
5/12/2025Invesco Ltd.61,675$85K0.0%+357.1%0.122%


CABA Institutional Ownership - Frequently Asked Questions

During the previous two years, 110 institutional investors and hedge funds held shares of Cabaletta Bio. The most heavily invested institutionals were Jennison Associates LLC ($24.13M), T. Rowe Price Investment Management Inc. ($21.59M), Bain Capital Life Sciences Investors LLC ($14.71M), Adage Capital Partners GP L.L.C. ($13.42M), Vanguard Group Inc. ($9.81M), Cormorant Asset Management LP ($9.64M), and Sofinnova Investments Inc. ($9.13M).Learn more on Cabaletta Bio's institutional investors.

Of the 90 institutional investors that purchased Cabaletta Bio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Bain Capital Life Sciences Investors LLC ($6.92M), Adage Capital Partners GP L.L.C. ($5.79M), Jennison Associates LLC ($4.15M), Millennium Management LLC ($2.19M), Jefferies Financial Group Inc. ($2.00M), T. Rowe Price Investment Management Inc. ($1.90M), and Fred Alger Management LLC ($1.60M).

Institutional investors have bought a total of 30,272,161 shares in the last 24 months. This purchase volume represents approximately $58.57M in transactions.

Of the 22 institutional investors that sold Cabaletta Bio'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. ($4.36M), Alyeska Investment Group L.P. ($3.50M), Jefferies Financial Group Inc. ($1.95M), Burkehill Global Management LP ($1.20M), Heights Capital Management Inc. ($1.06M), Bank of America Corp DE ($716.04K), and Cormorant Asset Management LP ($600K).

Institutional investors have sold a total of 15,913,122 shares in the last 24 months. This volume of shares sold represents approximately $35.35M in transactions.


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Institutional ownership data for NASDAQ:CABA is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/6/2026. New 13F filings are added each quarter as they're published.
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