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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 2024

Institutional positions in Cabaletta Bio, Inc. as of Mar 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
159
+31 vs. Q4 2023
Shares held
51.1M
+2.51M (+5.2%) vs. Q4 2023
Total value
$870.9M
−$230.9M (−21.0%) vs. Q4 2023
New holders
46
46 more added
Sold out
15
47 more reduced

Compare with Q4 2023: 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 2024: 159 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 2024: $870.9M
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 2024

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q4 2023.

Institutions holding CABA in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC1$00.00%+1New
Covestor Ltd4$00.00%+4New
GAMMA Investing LLC3$510.00%−11−78.6%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC7$1190.00%+7New
Russell Investments Group, Ltd.31$5290.00%+31New
Nisa Investment Advisors, LLC38$6480.00%+15+65.2%Added
Bogart Wealth, LLC50$8530.00%00.0%Unchanged
Capital Advisors, Ltd. LLC81$1.00K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC79$1.35K0.00%00.0%Unchanged
Daiwa Securities Group Inc.175$3.00K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC200$3.36K0.00%+200New
Fortitude Family Office, LLC262$4.47K0.00%00.0%Unchanged
US Bancorp274$4.67K0.00%00.0%Unchanged
Quantbot Technologies LP300$5.12K0.00%−1,200−80.0%Reduced
Federation des caisses Desjardins du Quebec340$5.80K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)453$7.73K0.00%−2,170−82.7%Reduced
FMR LLC487$8.31K0.00%+82+20.2%Added
The PNC Financial Services Group, Inc.521$8.89K0.00%−169−24.5%Reduced
Private Trust Co NA538$9.18K0.00%−115−17.6%Reduced
WR Wealth Planners, LLC900$15.4K0.00%+900New
Macroview Investment Management LLC1,131$19.3K0.02%00.0%Unchanged
Amalgamated Bank1,175$20.0K0.00%−3,529−75.0%Reduced
Pacer Advisors, Inc.1,653$28.2K0.00%+1,653New
Comerica Bank1,955$33.4K0.00%+12+0.6%Added
Metropolitan Life Insurance Co2,021$34.5K0.00%00.0%Unchanged
Lazard Asset Management LLC2,150$35.0K0.00%−1,253−36.8%Reduced
Citadel Advisors LLC2,241$38.2K0.00%−31,639−93.4%Reduced
First Manhattan Co2,600$44.4K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,452$58.9K0.00%00.0%Unchanged
Virtus ETF Advisers LLC4,215$71.9K0.04%−292−6.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)5,552$94.7K0.00%+813+17.2%Added
China Universal Asset Management Co., Ltd.8,206$140.0K0.02%+3,244+65.4%Added
EntryPoint Capital, LLC8,641$147.4K0.13%+8,641New
ADAR1 Capital Management, LLC8,900$151.8K0.04%+8,900New
Catalyst Funds Management Pty Ltd9,200$157.0K0.04%+9,200New
Birchview Capital, LP10,000$170.6K0.14%00.0%Unchanged
Boothbay Fund Management, LLC10,300$175.7K0.01%−48,455−82.5%Reduced
Chartwell Investment Partners, LLC10,367$176.0K0.01%+10,367New
Bayesian Capital Management, LP11,187$190.8K0.02%+11,187New
Mirae Asset Global Investments Co., Ltd.11,980$204.4K0.00%−11,709−49.4%Reduced
AQR Capital Management LLC12,311$210.0K0.00%−1,450−10.5%Reduced
UBS Asset Management Americas Inc12,921$220.4K0.00%+1,720+15.4%Added
Baker Bros. Advisors LP13,331$227.4K0.00%00.0%Unchanged
Wells Fargo & Company13,375$228.2K0.00%−683−4.9%Reduced
XTX Topco Ltd13,827$235.9K0.03%+13,827New
Balyasny Asset Management LLC14,963$255.3K0.00%+14,963New
Keybank National Association15,894$271.2K0.00%+15,894New
D. E. Shaw & Co., Inc.16,111$274.9K0.00%+16,111New
Franklin Resources Inc16,123$275.1K0.00%+4,058+33.6%Added
Harvest Investment Services, LLC16,402$279.8K0.11%+16,402New
E Fund Management Co., Ltd.16,749$285.7K0.02%+5,510+49.0%Added
American International Group, Inc.16,971$289.5K0.00%−147−0.9%Reduced
Denali Advisors LLC17,300$295.1K0.09%00.0%Unchanged
Deutsche Bank AG17,810$303.8K0.00%+481+2.8%Added
Teachers Retirement System of the State of Kentucky17,905$305.0K0.00%+17,905New
MetLife Investment Management18,315$312.5K0.00%00.0%Unchanged
Janus Henderson Group PLC19,578$333.5K0.00%+19+0.1%Added
State of Wisconsin Investment Board20,740$353.8K0.00%−2,313−10.0%Reduced
Options Solutions, LLC20,956$357.5K0.20%+20,956New
Tudor Investment Corp Et Al21,314$363.6K0.00%+21,314New
HighVista Strategies LLC22,208$378.9K0.14%+22,208New
Legal & General Group Plc23,418$399.5K0.00%−2,193−8.6%Reduced
JPMorgan Chase & Co23,655$403.6K0.00%−21,185−47.2%Reduced
HAP Trading, LLC24,070$410.6K0.13%+24,070New
Dimensional Fund Advisors LP25,375$432.9K0.00%00.0%Unchanged
Engineers Gate Manager LP26,287$448.5K0.01%+26,287New
Blair William & Co27,300$465.7K0.00%+8,762+47.3%Added
Polar Asset Management Partners Inc.27,900$476.0K0.01%+27,900New
California State Teachers Retirement System30,428$519.1K0.00%+1,711+6.0%Added
Quest Partners LLC30,876$526.7K0.09%+30,876New
Graham Capital Management, L.P.31,174$531.8K0.02%+31,174New
Alliancebernstein L.P.31,310$534.1K0.00%−62,022−66.5%Reduced
Envestnet Asset Management Inc32,564$555.5K0.00%−517−1.6%Reduced
Credit Suisse AG33,388$569.6K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.33,427$570.1K0.00%+5,747+20.8%Added
Point72 (DIFC) Ltd33,973$579.6K0.04%+33,973New
Cinctive Capital Management LP34,592$590.1K0.03%+34,592New
LPL Financial LLC34,933$596.0K0.00%−2,705−7.2%Reduced
Two Sigma Investments, LP36,674$625.7K0.00%−38,117−51.0%Reduced
Squarepoint Ops LLC42,431$723.9K0.00%+18,798+79.5%Added
Rhumbline Advisers45,606$778.0K0.00%+1,459+3.3%Added
Churchill Management Corp46,606$795.1K0.01%−2,750−5.6%Reduced
Blackstone Group Inc.46,780$798.1K0.00%−300,714−86.5%Reduced
Nan Fung Group Holdings Ltd47,150$804.4K0.75%00.0%Unchanged
Barclays PLC48,968$835.4K0.00%−80,104−62.1%Reduced
Skandinaviska Enskilda Banken AB (publ)49,563$845.5K0.00%+49,563New
Jane Street Group, LLC50,719$865.3K0.00%−37,690−42.6%Reduced
Octagon Capital Advisors LP52,000$887.1K0.11%+52,000New
Manufacturers Life Insurance Company, The52,233$891.1K0.00%−444−0.8%Reduced
ExodusPoint Capital Management, LP53,342$910.0K0.01%+53,342New
Profund Advisors LLC54,427$928.5K0.04%+20,569+60.8%Added
Renaissance Technologies LLC59,000$1.01M0.00%+59,000New
Swiss National Bank59,200$1.01M0.00%+8,200+16.1%Added
Voya Investment Management LLC59,498$1.02M0.00%+45,569+327.2%Added
Susquehanna International Group, LLP64,099$1.09M0.00%+42,045+190.6%Added
AlphaCentric Advisors LLC65,000$1.11M0.67%+65,000New
Prudential Financial Inc69,220$1.18M0.00%00.0%Unchanged
Trexquant Investment LP69,417$1.18M0.02%+69,417New
Royal Bank of Canada77,245$1.32M0.00%−19,711−20.3%Reduced
HealthInvest Partners AB77,540$1.32M0.80%+56,540+269.2%Added