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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 2023

Institutional positions in Cabaletta Bio, Inc. as of Mar 31, 2023. 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
72
+11 vs. Q4 2022
Shares held
24.6M
+4.76M (+24.0%) vs. Q4 2022
Total value
$203.9M
+$20.0M (+10.9%) vs. Q4 2022
New holders
23
20 more added
Sold out
12
13 more reduced

Compare with Q4 2022: 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 2023: 72 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 2023: $203.9M
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 2023

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q4 2022.

Institutions holding CABA in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Fred Alger Management, LLC4,015,310$33.2M0.18%+3,279,361+445.6%Added
Adage Capital Partners GP, L.L.C.2,541,645$21.0M0.05%00.0%Unchanged
Lynx1 Capital Management LP2,454,627$20.3M16.92%−371,349−13.1%Reduced
VR Adviser, LLC1,973,251$16.3M3.19%+77,966+4.1%Added
Commodore Capital LP1,835,000$15.2M2.31%+824,641+81.6%Added
Cormorant Asset Management, LP1,821,739$15.1M0.99%−150,000−7.6%Reduced
Baker Bros. Advisors LP1,344,000$11.1M0.06%00.0%Unchanged
Vanguard Group Inc1,113,943$9.21M0.00%+184,754+19.9%Added
Jennison Associates LLC780,564$6.46M0.01%+780,564New
Perceptive Advisors LLC724,777$5.99M0.18%+407,323+128.3%Added
Millennium Management LLC572,119$4.73M0.01%+220,994+62.9%Added
Boxer Capital, LLC540,000$4.47M0.22%00.0%Unchanged
Blackstone Group Inc.514,520$4.26M0.02%−735,480−58.8%Reduced
TCG Crossover Management, LLC486,795$4.03M0.78%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)464,252$3.84M0.09%00.0%Unchanged
Marshall Wace, LLP329,292$2.72M0.01%+277,321+533.6%Added
Redmile Group, LLC274,252$2.27M0.10%−190,000−40.9%Reduced
Susquehanna International Group, LLP265,355$2.19M0.00%+85,361+47.4%Added
Velan Capital Investment Management LP250,000$2.07M1.83%+250,000New
BlackRock Inc.231,950$1.92M0.00%−30,355−11.6%Reduced
Geode Capital Management, LLC219,850$1.82M0.00%−11,415−4.9%Reduced
Morgan Stanley202,356$1.67M0.00%+2,201+1.1%Added
Bridgeway Capital Management, LLC175,951$1.46M0.04%00.0%Unchanged
Goldman Sachs Group Inc161,596$1.34M0.00%+161,596New
Dimensional Fund Advisors LP134,757$1.11M0.00%+9,249+7.4%Added
Renaissance Technologies LLC112,800$933.0K0.00%−50,600−31.0%Reduced
Jane Street Group, LLC103,791$858.4K0.00%+63,757+159.3%Added
Royal Bank of Canada101,098$836.0K0.00%+100,854+41,333.6%Added
HRT Financial LP100,224$828.0K0.01%+100,224New
Two Sigma Investments, LP84,672$700.2K0.00%+70,372+492.1%Added
State Street Corp82,467$682.0K0.00%−5,200−5.9%Reduced
Barclays PLC67,198$555.7K0.00%+63,052+1,520.8%Added
Squarepoint Ops LLC57,064$471.9K0.00%+57,064New
Citigroup Inc45,752$378.4K0.00%+45,752New
UBS Oconnor LLC45,000$372.1K0.01%+45,000New
Caxton Corp40,581$335.6K0.85%−44,147−52.1%Reduced
Northern Trust Corp40,147$332.0K0.00%+5,951+17.4%Added
Veritable, L.P.37,245$308.0K0.01%00.0%Unchanged
Cubist Systematic Strategies, LLC36,457$301.5K0.00%+36,457New
First Republic Investment Management, Inc.33,065$273.4K0.00%+33,065New
Bank of New York Mellon Corp25,741$212.9K0.00%00.0%Unchanged
LPL Financial LLC24,780$204.9K0.00%+24,780New
Citadel Advisors LLC21,197$175.3K0.00%−51,981−71.0%Reduced
Envestnet Asset Management Inc20,893$172.8K0.00%+20,893New
683 Capital Management, LLC17,000$140.6K0.01%−9,963−37.0%Reduced
Concorde Asset Management, LLC15,800$130.7K0.15%+15,800New
LMR Partners LLP13,422$111.0K0.00%+13,422New
Man Group plc–$109.5K0.00%––
Boothbay Fund Management, LLC12,528$103.6K0.00%−1,506−10.7%Reduced
Diametric Capital, LP10,966$90.7K0.04%+10,966New
Trexquant Investment LP10,511$86.9K0.00%+10,511New
Charles Schwab Investment Management Inc10,078$83.3K0.00%00.0%Unchanged
Bank of America Corp8,851$73.2K0.00%+7,626+622.5%Added
Advisor Group Holdings, Inc.6,641$54.9K0.00%−2,499−27.3%Reduced
Point72 Asset Management, L.P.5,243$43.4K0.00%+5,243New
Tower Research Capital LLC (TRC)5,022$42.0K0.00%+112+2.3%Added
Point72 Middle East FZE3,742$30.9K0.00%+3,742New
Lazard Asset Management LLC3,027$24.0K0.00%+641+26.9%Added
Wells Fargo & Company2,053$17.0K0.00%+735+55.8%Added
UBS Group AG1,620$13.4K0.00%+74+4.8%Added
Denali Advisors LLC1,400$11.6K0.00%+1,400New
WR Wealth Planners, LLC900$7.44K0.00%+900New
JPMorgan Chase & Co633$5.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.576$4.76K0.00%+576New
Private Trust Co NA368$3.04K0.00%+368New
Federation des caisses Desjardins du Quebec340$2.81K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC81$1.00K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC79$6540.00%00.0%Unchanged
Bogart Wealth, LLC50$4140.00%+50New
FMR LLC14$1160.00%+14New
NewSquare Capital LLC10$830.00%00.0%Unchanged
Endurance Wealth Management, Inc.800$00.00%00.0%Unchanged
Eversept Partners, LP0$00.00%−282,874−100.0%Sold out
Boone Capital Management LLC0$00.00%−266,882−100.0%Sold out
Kynam Capital Management, LP0$00.00%−165,486−100.0%Sold out
Walleye Capital LLC0$00.00%−60,505−100.0%Sold out
Ikarian Capital, LLC0$00.00%−30,286−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−25,000−100.0%Sold out
Crestline Management, LP0$00.00%−22,107−100.0%Sold out
Marquette Asset Management, LLC0$00.00%−13,539−100.0%Sold out
Freedom Wealth Alliance, LLC0$00.00%−4,416−100.0%Sold out
Investors Research Corp0$00.00%−150−100.0%Sold out
GWM Advisors LLC0$00.00%−140−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−200−100.0%Sold out