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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 2022

Institutional positions in Cabaletta Bio, Inc. as of Mar 31, 2022. 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
62
−4 vs. Q4 2021
Shares held
18.2M
+14.7K (+0.1%) vs. Q4 2021
Total value
$36.9M
−$32.0M (−46.4%) vs. Q4 2021
New holders
8
18 more added
Sold out
12
17 more reduced

Compare with Q4 2021: 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 2022: 62 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 2022: $36.9M
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 2022

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q4 2021.

Institutions holding CABA in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Adage Capital Partners GP, L.L.C.2,541,645$5.16M0.01%00.0%Unchanged
5AM Venture Management, LLC2,064,263$4.19M0.92%00.0%Unchanged
Samlyn Capital, LLC1,768,083$3.59M0.05%+384,702+27.8%Added
Citadel Advisors LLC1,475,100$2.99M0.00%−24,523−1.6%Reduced
Cormorant Asset Management, LP1,154,424$2.34M0.18%00.0%Unchanged
Vanguard Group Inc1,051,838$2.13M0.00%+147,346+16.3%Added
Ikarian Capital, LLC1,020,070$2.07M0.63%+49,672+5.1%Added
Point72 Asset Management, L.P.725,000$1.47M0.01%−225,000−23.7%Reduced
Redmile Group, LLC696,377$1.41M0.04%00.0%Unchanged
Baker Bros. Advisors LP662,063$1.34M0.01%00.0%Unchanged
Kynam Capital Management, LP616,125$1.25M0.41%−28,458−4.4%Reduced
OrbiMed Advisors LLC577,509$1.17M0.02%+275,000+90.9%Added
Boxer Capital, LLC540,000$1.10M0.06%00.0%Unchanged
BlackRock Inc.510,587$1.04M0.00%+6,397+1.3%Added
Deerfield Management Company, L.P. (Series C)464,252$942.0K0.02%00.0%Unchanged
Millennium Management LLC361,001$733.0K0.00%+218,864+154.0%Added
Renaissance Technologies LLC199,400$405.0K0.00%+199,400New
Two Sigma Advisers, LP184,100$374.0K0.00%+106,000+135.7%Added
Two Sigma Investments, LP149,929$304.0K0.00%+81,362+118.7%Added
Acadian Asset Management LLC147,480$298.0K0.00%+147,480New
Ci Investments Inc.129,010$262.0K0.00%+129,010New
Geode Capital Management, LLC122,605$248.0K0.00%−10.0%Reduced
Bridgeway Capital Management, LLC122,330$248.0K0.00%+122,330New
Harbor Capital Advisors, Inc.119,315$242.0K0.11%−23,472−16.4%Reduced
Boothbay Fund Management, LLC103,350$210.0K0.01%00.0%Unchanged
Morgan Stanley99,897$203.0K0.00%+49,326+97.5%Added
State Street Corp58,767$119.0K0.00%+2,760+4.9%Added
Caption Management, LLC52,750$106.0K0.01%00.0%Unchanged
Veritable, L.P.37,245$76.0K0.00%+26,745+254.7%Added
Bank of America Corp32,379$66.0K0.00%+25,268+355.3%Added
Walleye Capital LLC30,507$62.0K0.00%−45,272−59.7%Reduced
Victory Capital Management Inc42,659$59.0K0.00%−221,565−83.9%Reduced
Northern Trust Corp29,307$59.0K0.00%00.0%Unchanged
Susquehanna International Group, LLP27,747$56.0K0.00%−125,560−81.9%Reduced
Bank of New York Mellon Corp22,674$46.0K0.00%+12,379+120.2%Added
Allspring Global Investments Holdings, LLC21,381$43.0K0.00%−269−1.2%Reduced
SG3 Management, LLC20,000$41.0K0.01%00.0%Unchanged
Dimensional Fund Advisors LP19,863$40.0K0.00%−20,079−50.3%Reduced
Simplex Trading, LLC19,535$39.0K0.00%−14,703−42.9%Reduced
Dynamic Technology Lab Private Ltd19,250$39.0K0.00%+8,648+81.6%Added
Tower Research Capital LLC (TRC)18,440$37.0K0.00%+16,643+926.2%Added
Barclays PLC15,719$32.0K0.00%+15,719New
HSBC Holdings PLC15,063$31.0K0.00%−8,523−36.1%Reduced
Powell Investment Advisors, LLC15,000$30.0K0.02%+15,000New
Goldman Sachs Group Inc13,859$28.0K0.00%+685+5.2%Added
Marshall Wace, LLP12,718$26.0K0.00%+5,774+83.2%Added
Virtu Financial LLC12,475$25.0K0.00%−62,297−83.3%Reduced
IHT Wealth Management, LLC12,240$25.0K0.00%−150−1.2%Reduced
BIT Capital GmbH10,000$20.3K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.7,544$15.0K0.00%−2,478−24.7%Reduced
JPMorgan Chase & Co3,708$8.00K0.00%+849+29.7%Added
Wells Fargo & Company3,663$7.00K0.00%−11,767−76.3%Reduced
Citigroup Inc1,796$4.00K0.00%−667−27.1%Reduced
Endurance Wealth Management, Inc.800$2.00K0.00%00.0%Unchanged
First Manhattan Co500$1.00K0.00%00.0%Unchanged
Federated Hermes, Inc.149$1.00K0.00%+149New
Federation des caisses Desjardins du Quebec340$6900.00%00.0%Unchanged
Captrust Financial Advisors200$00.00%00.0%Unchanged
Daiwa Securities Group Inc.45$00.00%00.0%Unchanged
Investors Research Corp66$00.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC79$00.00%00.0%Unchanged
Prospera Financial Services Inc100$00.00%+100New
Great Point Partners LLC0$00.00%−472,433−100.0%Sold out
Nantahala Capital Management, LLC0$00.00%−341,538−100.0%Sold out
Altrinsic Global Advisors LLC0$00.00%−140,000−100.0%Sold out
Ghost Tree Capital, LLC0$00.00%−135,000−100.0%Sold out
683 Capital Management, LLC0$00.00%−36,118−100.0%Sold out
Walleye Trading LLC0$00.00%−22,905−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−22,880−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−14,497−100.0%Sold out
SG Americas Securities, LLC0$00.00%−11,186−100.0%Sold out
Alpine Global Management, LLC0$00.00%−10,984−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−10,414−100.0%Sold out
Group One Trading, L.P.0$00.00%−200−100.0%Sold out