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Cabaletta Bio, Inc.

CABA
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001759138

No open-market purchases or sales by Cabaletta Bio, Inc. insiders were filed in the last 90 days; 139 institutions reported holding it in 13F filings for Q2 2026, worth $490.4M in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Cabaletta Bio, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
93
−14 vs. Q4 2024
Shares held
36.3M
−1.69M (−4.5%) vs. Q4 2024
Total value
$50.3M
−$35.9M (−41.6%) vs. Q4 2024
New holders
16
28 more added
Sold out
30
33 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CABA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 93 institutions
Q1 2021: 68 institutionsQ2 2021: 63 institutionsQ3 2021: 61 institutionsQ4 2021: 66 institutionsQ1 2022: 62 institutionsQ2 2022: 55 institutionsQ3 2022: 54 institutionsQ4 2022: 61 institutionsQ1 2023: 72 institutionsQ2 2023: 84 institutionsQ3 2023: 97 institutionsQ4 2023: 128 institutionsQ1 2024: 159 institutionsQ2 2024: 142 institutionsQ3 2024: 120 institutionsQ4 2024: 109 institutionsQ1 2025: 93 institutionsQ2 2025: 86 institutionsQ3 2025: 75 institutionsQ4 2025: 95 institutionsQ1 2026: 108 institutionsQ2 2026: 139 institutions
Value heldQ1 2025: $50.3M
Q1 2021: $180.1MQ2 2021: $135.5MQ3 2021: $211.3MQ4 2021: $68.9MQ1 2022: $36.9MQ2 2022: $17.8MQ3 2022: $7.76MQ4 2022: $183.9MQ1 2023: $203.9MQ2 2023: $470.5MQ3 2023: $622.6MQ4 2023: $1.10BQ1 2024: $870.9MQ2 2024: $380.0MQ3 2024: $226.7MQ4 2024: $87.2MQ1 2025: $50.3MQ2 2025: $110.7MQ3 2025: $162.0MQ4 2025: $166.9MQ1 2026: $227.5MQ2 2026: $490.4M
Institutions holding CABA and their total value by quarter
QuarterHoldersValue
Q2 2026139$490.4M
Q1 2026108$227.5M
Q4 202595$166.9M
Q3 202575$162.0M
Q2 202586$110.7M
Q1 202593$50.3M
Q4 2024109$87.2M
Q3 2024120$226.7M
Q2 2024142$380.0M
Q1 2024159$870.9M
Q4 2023128$1.10B
Q3 202397$622.6M
Q2 202384$470.5M
Q1 202372$203.9M
Q4 202261$183.9M
Q3 202254$7.76M
Q2 202255$17.8M
Q1 202262$36.9M
Q4 202166$68.9M
Q3 202161$211.3M
Q2 202163$135.5M
Q1 202168$180.1M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q4 2024.

Institutions holding CABA in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
T. Rowe Price Investment Management, Inc.3,970,026$5.50M0.00%−103,980−2.6%Reduced
Adage Capital Partners GP, L.L.C.3,634,473$5.03M0.01%00.0%Unchanged
BlackRock, Inc.3,452,147$4.78M0.00%+54,887+1.6%Added
Vanguard Group Inc2,844,239$3.94M0.00%−23,483−0.8%Reduced
Bain Capital Life Sciences Investors, LLC2,760,888$3.82M0.57%00.0%Unchanged
Jennison Associates LLC2,433,728$3.37M0.00%−78,325−3.1%Reduced
Morgan Stanley1,708,888$2.37M0.00%+269,723+18.7%Added
Schonfeld Strategic Advisors LLC1,662,401$2.30M0.02%+1,662,401New
Cantor Fitzgerald, L. P.1,484,585$2.06M0.08%+1,384,585+1,384.6%Added
Geode Capital Management, LLC1,141,297$1.58M0.00%+30,595+2.8%Added
Bank of America Corp984,095$1.36M0.00%+437,634+80.1%Added
State Street Corp938,718$1.30M0.00%+740+0.1%Added
Integral Health Asset Management, LLC850,000$1.18M0.13%+350,000+70.0%Added
Acadian Asset Management LLC682,670$942.0K0.00%+182,406+36.5%Added
UBS Group AG490,200$678.9K0.00%+55,643+12.8%Added
Price T Rowe Associates Inc489,321$678.0K0.00%−34,766−6.6%Reduced
Fred Alger Management, LLC477,210$660.9K0.00%−1,839,014−79.4%Reduced
Two Sigma Advisers, LP471,500$653.0K0.00%−360,400−43.3%Reduced
Superstring Capital Management LP458,972$635.7K0.76%−363,321−44.2%Reduced
Nuveen, LLC434,389$601.6K0.00%+434,389New
Northern Trust Corp399,766$553.7K0.00%+17,611+4.6%Added
Almitas Capital LLC367,491$509.0K0.17%+367,491New
Federated Hermes, Inc.343,411$475.6K0.00%+196,064+133.1%Added
Raiffeisen Bank International AG300,000$465.0K0.01%+80,000+36.4%Added
Goldman Sachs Group Inc330,541$457.8K0.00%−180,974−35.4%Reduced
Two Sigma Investments, LP321,411$445.2K0.00%−430,483−57.3%Reduced
Prudential Financial Inc287,490$398.2K0.00%+680+0.2%Added
AXA S.A.270,077$374.1K0.00%−346−0.1%Reduced
JPMorgan Chase & Co251,437$348.2K0.00%−7,955−3.1%Reduced
HealthInvest Partners AB182,354$252.6K0.11%−65,100−26.3%Reduced
Millennium Management LLC168,899$233.9K0.00%−342,714−67.0%Reduced
Charles Schwab Investment Management Inc159,866$221.4K0.00%+50,606+46.3%Added
Bank of New York Mellon Corp155,174$214.9K0.00%+14,026+9.9%Added
Thrivent Financial for Lutherans95,327$132.0K0.00%00.0%Unchanged
TD Asset Management Inc88,600$122.7K0.00%00.0%Unchanged
TCG Crossover Management, LLC86,795$120.2K0.02%00.0%Unchanged
AQR Capital Management LLC73,956$102.4K0.00%+73,956New
Alliancebernstein L.P.64,630$89.5K0.00%00.0%Unchanged
Invesco Ltd.61,675$85.4K0.00%+48,181+357.1%Added
BNP Paribas Arbitrage, SA61,405$85.0K0.00%+9,453+18.2%Added
Rhumbline Advisers61,388$85.0K0.00%−2,033−3.2%Reduced
Susquehanna International Group, LLP57,780$80.0K0.00%−374,155−86.6%Reduced
Manufacturers Life Insurance Company, The57,036$79.0K0.00%+765+1.4%Added
Barclays PLC56,438$78.2K0.00%−15,179−21.2%Reduced
Stifel Financial Corp49,554$68.6K0.00%+7,928+19.0%Added
Bridgeway Capital Management, LLC45,675$63.3K0.00%−42,000−47.9%Reduced
Comerica Bank41,599$57.6K0.00%+39,860+2,292.1%Added
Callan Family Office, LLC41,599$57.6K0.00%+41,599New
SG Americas Securities, LLC36,276$50.0K0.00%−6,983−16.1%Reduced
Marshall Wace, LLP33,460$46.5K0.00%−159,765−82.7%Reduced
Wells Fargo & Company31,979$44.3K0.00%−8,433−20.9%Reduced
Citigroup Inc31,462$43.6K0.00%−4,292−12.0%Reduced
Intech Investment Management LLC31,148$43.1K0.00%+10,945+54.2%Added
Mirae Asset Global ETFs Holdings Ltd.26,622$36.9K0.00%+1,176+4.6%Added
Envestnet Asset Management Inc25,540$35.4K0.00%−13,364−34.4%Reduced
Deutsche Bank AG22,361$31.1K0.00%00.0%Unchanged
Corebridge Financial, Inc.21,981$30.4K0.00%−325−1.5%Reduced
Jones Financial Companies LLLP18,507$28.7K0.00%+14,897+412.7%Added
JustInvest LLC19,379$26.8K0.00%+966+5.2%Added
Avanza Fonder AB17,605$21.8K0.00%00.0%Unchanged
Oxford Asset Management LLP15,405$21.3K0.01%+15,405New
Voya Investment Management LLC12,981$18.0K0.00%−1,221−8.6%Reduced
Police & Firemen's Retirement System of New Jersey12,628$17.5K0.00%00.0%Unchanged
SEI Investments Co12,181$16.9K0.00%−25−0.2%Reduced
CRA Financial Services, LLC11,000$15.2K0.00%+11,000New
Renaissance Technologies LLC10,900$15.1K0.00%−219,261−95.3%Reduced
Neuberger Berman Group LLC10,565$14.6K0.00%+10,565New
LPL Financial LLC10,412$14.4K0.00%−31,974−75.4%Reduced
CWM, LLC6,191$9.00K0.00%+6,186+123,720.0%Added
Tower Research Capital LLC (TRC)6,415$8.88K0.00%−6,187−49.1%Reduced
FMR LLC4,161$5.76K0.00%−36,106−89.7%Reduced
Legal & General Group Plc3,961$5.49K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,452$4.78K0.00%00.0%Unchanged
California State Teachers Retirement System3,338$4.62K0.00%00.0%Unchanged
SBI Securities Co., Ltd.2,916$4.04K0.00%+2,900+18,125.0%Added
Royal Bank of Canada2,363$4.00K0.00%−62,379−96.4%Reduced
Truvestments Capital LLC1,973$2.73K0.00%−358−15.4%Reduced
Amalgamated Bank1,175$2.00K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd1,409$1.95K0.00%+1,409New
New York State Common Retirement Fund990$1.37K0.00%00.0%Unchanged
Sterling Capital Management LLC636$8810.00%−543−46.1%Reduced
Citadel Advisors LLC350$4850.00%+350New
Federation des caisses Desjardins du Quebec340$4710.00%00.0%Unchanged
Coldstream Capital Management Inc280$3880.00%+280New
Boston Private Wealth LLC231$3200.00%+231New
Nisa Investment Advisors, LLC194$2690.00%−737−79.2%Reduced
The PNC Financial Services Group, Inc.154$2140.00%+82+113.9%Added
CoreCap Advisors, LLC151$2090.00%+151New
EverSource Wealth Advisors, LLC90$1250.00%+90New
Rothschild Investment LLC70$970.00%+70New
True Wealth Design, LLC63$880.00%+63New
IFP Advisors, Inc0$110.00%0Unchanged
Covestor Ltd37$00.00%+25+208.3%Added
Point72 Asset Management, L.P.0$00.00%−1,265,882−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−217,802−100.0%Sold out
BIT Capital GmbH0$00.00%−190,000−100.0%Sold out
Wellington Management Group LLP0$00.00%−180,157−100.0%Sold out
Panagora Asset Management Inc0$00.00%−173,518−100.0%Sold out
MYDA Advisors LLC0$00.00%−171,200−100.0%Sold out
Jane Street Group, LLC0$00.00%−118,636−100.0%Sold out