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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, Q4 2024

Institutional positions in Cabaletta Bio, Inc. as of Dec 31, 2024. 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
109
−11 vs. Q3 2024
Shares held
38.4M
−9.62M (−20.0%) vs. Q3 2024
Total value
$87.2M
−$139.5M (−61.5%) vs. Q3 2024
New holders
26
40 more added
Sold out
37
25 more reduced

Compare with Q3 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 holdersQ4 2024: 109 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 heldQ4 2024: $87.2M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q3 2024.

Institutions holding CABA in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
T. Rowe Price Investment Management, Inc.4,074,006$9.25M0.01%+400,282+10.9%Added
Adage Capital Partners GP, L.L.C.3,634,473$8.25M0.01%+597,828+19.7%Added
BlackRock, Inc.3,397,260$7.71M0.00%−1,396,224−29.1%Reduced
Vanguard Group Inc2,867,722$6.51M0.00%+314,012+12.3%Added
Bain Capital Life Sciences Investors, LLC2,760,888$6.27M0.74%00.0%Unchanged
Jennison Associates LLC2,512,053$5.70M0.00%−3,120,628−55.4%Reduced
Fred Alger Management, LLC2,316,224$5.26M0.03%−1,803,170−43.8%Reduced
Morgan Stanley1,439,165$3.27M0.00%+610,336+73.6%Added
Point72 Asset Management, L.P.1,265,882$2.87M0.01%+598,607+89.7%Added
Geode Capital Management, LLC1,110,702$2.52M0.00%+16,058+1.5%Added
State Street Corp937,978$2.13M0.00%+41,855+4.7%Added
Two Sigma Advisers, LP831,900$1.89M0.00%+550,700+195.8%Added
Superstring Capital Management LP822,293$1.87M1.64%+690,498+523.9%Added
Two Sigma Investments, LP751,894$1.71M0.00%+331,417+78.8%Added
Bank of America Corp546,461$1.24M0.00%+67,787+14.2%Added
Price T Rowe Associates Inc524,087$1.19M0.00%−28,705−5.2%Reduced
Millennium Management LLC511,613$1.16M0.00%−1,117,300−68.6%Reduced
Goldman Sachs Group Inc511,515$1.16M0.00%+190,156+59.2%Added
Integral Health Asset Management, LLC500,000$1.14M0.10%+50,000+11.1%Added
Acadian Asset Management LLC500,264$1.13M0.00%+242,843+94.3%Added
UBS Group AG434,557$986.4K0.00%+411,783+1,808.1%Added
Nuveen Asset Management, LLC434,389$986.1K0.00%00.0%Unchanged
Susquehanna International Group, LLP431,935$980.5K0.00%+408,583+1,749.7%Added
Northern Trust Corp382,155$867.5K0.00%−5,849−1.5%Reduced
Prudential Financial Inc286,810$651.1K0.00%00.0%Unchanged
AXA S.A.270,423$613.9K0.00%−431−0.2%Reduced
JPMorgan Chase & Co259,392$588.8K0.00%−20,562−7.3%Reduced
HealthInvest Partners AB247,454$554.3K0.26%+78,932+46.8%Added
Renaissance Technologies LLC230,161$522.5K0.00%+230,161New
Cubist Systematic Strategies, LLC217,802$494.4K0.01%−355,378−62.0%Reduced
Raiffeisen Bank International AG220,000$492.8K0.01%+220,000New
Marshall Wace, LLP193,225$438.6K0.00%−90,581−31.9%Reduced
BIT Capital GmbH190,000$431.3K0.04%+190,000New
Wellington Management Group LLP180,157$409.0K0.00%+23,106+14.7%Added
Panagora Asset Management Inc173,518$393.9K0.00%−145,853−45.7%Reduced
MYDA Advisors LLC171,200$388.6K0.11%+171,200New
Federated Hermes, Inc.147,347$334.5K0.00%+146,959+37,876.0%Added
Bank of New York Mellon Corp141,148$320.4K0.00%−16,945−10.7%Reduced
Jane Street Group, LLC118,636$269.3K0.00%−39,066−24.8%Reduced
Walleye Capital LLC110,988$251.9K0.00%−290,994−72.4%Reduced
Charles Schwab Investment Management Inc109,260$248.0K0.00%−16,585−13.2%Reduced
Cantor Fitzgerald, L. P.100,000$224.0K0.01%+100,000New
Thrivent Financial for Lutherans95,327$216.0K0.00%+95,327New
TD Asset Management Inc88,600$201.1K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC87,675$199.0K0.00%+87,675New
TCG Crossover Management, LLC86,795$197.0K0.02%00.0%Unchanged
Aristides Capital LLC75,400$171.2K0.05%+75,400New
Barclays PLC71,617$162.6K0.00%+10,487+17.2%Added
Engineers Gate Manager LP67,435$153.1K0.00%+47,773+243.0%Added
Royal Bank of Canada64,742$147.0K0.00%−22,415−25.7%Reduced
Alliancebernstein L.P.64,630$146.7K0.00%00.0%Unchanged
Rhumbline Advisers63,421$144.0K0.00%+2,851+4.7%Added
Manufacturers Life Insurance Company, The56,271$127.7K0.00%+407+0.7%Added
Squarepoint Ops LLC54,949$124.7K0.00%−102,046−65.0%Reduced
BNP Paribas Arbitrage, SA51,952$117.9K0.00%+51,952New
SG Americas Securities, LLC43,259$98.0K0.00%+8,161+23.3%Added
LPL Financial LLC42,386$96.2K0.00%+5,716+15.6%Added
Stifel Financial Corp41,626$94.5K0.00%+41,626New
Wells Fargo & Company40,412$91.7K0.00%+16,250+67.3%Added
FMR LLC40,267$91.4K0.00%+37,509+1,360.0%Added
Envestnet Asset Management Inc38,904$88.3K0.00%−9,166−19.1%Reduced
Citigroup Inc35,754$81.2K0.00%+1,188+3.4%Added
Mirae Asset Global ETFs Holdings Ltd.25,446$57.8K0.00%+1,887+8.0%Added
Deutsche Bank AG22,361$50.8K0.00%00.0%Unchanged
Corebridge Financial, Inc.22,306$50.6K0.00%−1,403−5.9%Reduced
Tudor Investment Corp Et Al20,604$46.8K0.00%+20,604New
Intech Investment Management LLC20,203$45.9K0.00%+5,999+42.2%Added
HRT Financial LP18,527$42.0K0.00%+18,527New
JustInvest LLC18,413$41.8K0.00%+8,240+81.0%Added
Avanza Fonder AB17,605$40.0K0.00%+17,605New
Scientech Research LLC16,999$38.6K0.01%+16,999New
D. E. Shaw & Co., Inc.16,604$37.7K0.00%−17,359−51.1%Reduced
Miller Financial Services LLC14,600$33.1K0.03%+14,600New
Voya Investment Management LLC14,202$32.2K0.00%−702−4.7%Reduced
Invesco Ltd.13,494$30.6K0.00%−371−2.7%Reduced
ProShare Advisors LLC12,637$28.7K0.00%+1,372+12.2%Added
Police & Firemen's Retirement System of New Jersey12,628$28.7K0.00%+12,628New
Tower Research Capital LLC (TRC)12,602$28.6K0.00%+1,504+13.6%Added
SEI Investments Co12,206$27.7K0.00%00.0%Unchanged
Point72 (DIFC) Ltd11,755$26.7K0.00%+4,768+68.2%Added
Prelude Capital Management, LLC11,001$25.0K0.00%+11,001New
Camden Capital, LLC10,000$22.7K0.00%+10,000New
GWM Advisors LLC4,250$9.65K0.00%+4,250New
Legal & General Group Plc3,961$8.99K0.00%00.0%Unchanged
Jones Financial Companies LLLP3,610$8.20K0.00%+3,610New
Ameritas Investment Partners, Inc.3,452$7.84K0.00%00.0%Unchanged
California State Teachers Retirement System3,338$7.58K0.00%00.0%Unchanged
Truvestments Capital LLC2,331$5.29K0.00%+1,565+204.3%Added
Comerica Bank1,739$3.95K0.00%+1,447+495.5%Added
Russell Investments Group, Ltd.1,574$3.57K0.00%+1,574New
Amalgamated Bank1,175$3.00K0.00%00.0%Unchanged
Sterling Capital Management LLC1,179$2.68K0.00%+1,063+916.4%Added
New York State Common Retirement Fund990$2.25K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC931$2.11K0.00%+120+14.8%Added
Private Trust Co NA712$1.62K0.00%−160−18.3%Reduced
WR Wealth Planners, LLC417$9470.00%+17+4.3%Added
R Squared Ltd380$8630.00%+380New
Federation des caisses Desjardins du Quebec340$7720.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)151$3430.00%−647−81.1%Reduced
Beaird Harris Wealth Management, LLC79$1800.00%00.0%Unchanged