Who Owns Cabaletta Bio, Inc. (CABA)?Hedge Fund & Institutional Holders

$3.23+0.17 (+5.64%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$2.1192000195030002e+236T

% of Float Held

1.1479991378635059e+287%

QoQ Change in Holders

+11 / -4

Price History

$1.04$2.23$3.42$4.60$5.79Aug 24Jun 25Mar 26

CABA — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
JENNISON ASSOCIATES LLCNew Position+8.9M+$19.5B
MILLENNIUM MANAGEMENT LLCIncreased+2.1M+$3.4B
TWO SIGMA INVESTMENTS, LPIncreased+1.4M+$2.9B
SCHRODER INVESTMENT MANAGEMENT GROUPNew Position+757K+$1.0B
Ensign Peak Advisors, IncNew Position+550K+$1.0B
683 Capital Management, LLCNew Position+389K+$850.0M
Stonepine Capital Management, LLCNew Position+171K+$374.0M
TWO SIGMA ADVISERS, LPIncreased+407K+$225.5M
LETKO, BROSSEAU & ASSOCIATES INCNew Position+90K+$198.0M
Invesco Ltd.Increased+66K+$126.6M
MATAURO, LLCNew Position+55K+$120.0M
ANTIPODES PARTNERS LtdNew Position+17K+$37.0M
GF FUND MANAGEMENT CO. LTD.New Position+2K+$4.0M
FLAGSHIP HARBOR ADVISORS, LLCNew Position+1K+$2.0M
Ikarian Capital, LLCNew Position+900K+$2.0M

CABA — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
MARSHALL WACE, LLPDecreased-367K-$3.1B
Alyeska Investment Group, L.P.Closed Position-1.3M-$3.0B
Woodline Partners LPDecreased-885K-$3.0B
Cormorant Asset Management, LPDecreased-600K-$2.1B
CITADEL ADVISORS LLCDecreased-672K-$1.7B
JPMORGAN CHASE & CODecreased-528K-$1.3B
SUSQUEHANNA INTERNATIONAL GROUP, LLPDecreased-234K-$870.7M
XTX Topco LtdDecreased-129K-$665.3M
ROYAL BANK OF CANADADecreased-92K-$214.0M
FRED ALGER MANAGEMENT, LLCDecreased-32K-$140.0M
Jefferies Financial Group Inc.Decreased-2K-$111.2M
Cubist Systematic Strategies, LLCClosed Position-38K-$88.3M
MANUFACTURERS LIFE INSURANCE COMPANY, THEDecreased-73-$30.6M
Rangeley Capital, LLCClosed Position-11K-$26.4M
Caitong International Asset Management Co., LtdClosed Position-9K-$21.0M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Bain Capital Life Sciences Investors, LLC9,677,125$21.2B1.62%Share
2JENNISON ASSOCIATES LLC8,905,699$19.5B11.71%Share
3ADAGE CAPITAL PARTNERS GP, L.L.C.8,829,758$19.0B28.76%Share
4Cormorant Asset Management, LP4,400,000$9.6B0.45%Share
5MILLENNIUM MANAGEMENT LLC2,736,912$5.0B2.10%Share
6TWO SIGMA INVESTMENTS, LP1,839,799$4.0B5.64%Share
7RENAISSANCE TECHNOLOGIES LLC1,522,583$3.0B4.65%Share
8Woodline Partners LP1,250,242$2.0B7.75%Share
9Burkehill Global Management, LP700,000$1.5B0.10%Share
10SUSQUEHANNA INTERNATIONAL GROUP, LLP683,100$1.0B0.12%Call
11SCHRODER INVESTMENT MANAGEMENT GROUP756,637$1.0B0.76%Share
12Ensign Peak Advisors, Inc550,000$1.0B1.77%Share
13SIMPLEX TRADING, LLC557,300$1.0B0.56%Call
14TWO SIGMA ADVISERS, LP737,900$1.0B1.94%Share
15GROUP ONE TRADING LLC435,900$954.0M1.67%Call
16UBS Group AG405,591$888.0M0.14%Share
17683 Capital Management, LLC388,562$850.0M0.04%Share
18Invesco Ltd.189,195$414.0M0.06%Share
19Stonepine Capital Management, LLC171,100$374.0M0.27%Share
20LETKO, BROSSEAU & ASSOCIATES INC90,475$198.0M3.24%Share
21MATAURO, LLC55,108$120.0M0.02%Share
22GROUP ONE TRADING LLC37,900$83.0M0.14%Put
23ANTIPODES PARTNERS Ltd17,187$37.0M0.00%Share
24UBS Group AG10,008$21.0M0.00%Share
25T. Rowe Price Investment Management, Inc.4,004,046$8.8M0.01%Share
26VANGUARD GROUP INC3,813,516$8.0M0.12%Share
27SUPERSTRING CAPITAL MANAGEMENT LP2,253,550$4.9M2.64%Share
28GF FUND MANAGEMENT CO. LTD.1,891$4.0M0.07%Share
29Schonfeld Strategic Advisors LLC1,204,070$2.6M0.01%Share
30BlackRock, Inc.1,326,274$2.0M0.03%Share
31FLAGSHIP HARBOR ADVISORS, LLC1,000$2.0M0.00%Share
32PRICE T ROWE ASSOCIATES INC /MD/1,079,259$2.0M0.00%Share
33MORGAN STANLEY1,166,744$2.0M0.00%Share
34Ikarian Capital, LLC900,000$2.0M0.15%Share
35Opaleye Management Inc.900,000$2.0M0.26%Share
36KVP Capital Advisors, LP505,431$1.1M1.07%Share
37JANE STREET GROUP, LLC457,656$1.0M0.00%Share
38VANGUARD GROUP INC570,191$1.0M0.01%Share
39MARSHALL WACE, LLP865,366$1.0M0.00%Share
40BlackRock, Inc.825,190$1.0M0.02%Share
41NISA INVESTMENT ADVISORS, LLC811$1.0M0.00%Share
42Almitas Capital LLC387,491$848K0.19%Share
43Dynamic Technology Lab Private Ltd66,789$146K0.03%Share
44NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO529$109K0.00%Share
45SG Americas Securities, LLC30,629$67K0.00%Share
46China Universal Asset Management Co., Ltd.15,686$34K0.00%Share
47CRA Financial Services, LLC15,000$32K0.00%Share
48HB Wealth Management, LLC10,000$21K0.00%Share
49Mirae Asset Global Investments Co., Ltd.4,678$10K0.00%Share
50GEODE CAPITAL MANAGEMENT, LLC889,185$1K0.00%Share

CABA Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202595$90.8B+31
Q3 202564$90.0B-10
Q2 202574$83.9B-20
Q1 202594$36.5B-15
Q4 2024109$50.5B+6
Q3 2024103$3.7T-19
Q2 2024122$7.3T-10
Q1 2024132$1098.4T—

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As of Q4 2025, 50 institutional investors hold CABA (Cabaletta Bio, Inc.). The largest holder is Bain Capital Life Sciences Investors, LLC with $21.2B in shares. This quarter, 11 institutions opened new positions and 4 closed their positions.

Frequently Asked Questions

How many hedge funds own CABA?

As of Q4 2025, 50 institutional investors report holding CABA (Cabaletta Bio, Inc.) in their 13F filings.

Who is the largest institutional holder of CABA?

The largest institutional holder of CABA is Bain Capital Life Sciences Investors, LLC with $21.2B in shares.

Is institutional ownership of CABA increasing or decreasing?

This quarter, 11 institutions opened new positions in CABA and 4 closed their positions.