Skip to main content

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 2022

Institutional positions in Cabaletta Bio, Inc. as of Dec 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
61
+7 vs. Q3 2022
Shares held
19.9M
+7.94M (+66.5%) vs. Q3 2022
Total value
$183.9M
+$176.1M (+2,271.0%) vs. Q3 2022
New holders
24
12 more added
Sold out
17
18 more reduced

Compare with Q3 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 holdersQ4 2022: 61 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 2022: $183.9M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q3 2022.

Institutions holding CABA in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Lynx1 Capital Management LP2,825,976$26.1M22.61%+2,825,976New
Adage Capital Partners GP, L.L.C.2,541,645$23.5M0.06%00.0%Unchanged
Cormorant Asset Management, LP1,971,739$18.2M1.23%+817,315+70.8%Added
VR Adviser, LLC1,895,285$17.5M2.95%+1,895,285New
Baker Bros. Advisors LP1,344,000$12.4M0.07%+681,937+103.0%Added
Blackstone Group Inc.1,250,000$11.6M0.04%+1,250,000New
Commodore Capital LP1,010,359$9.35M1.41%+1,010,359New
Vanguard Group Inc929,189$8.59M0.00%−349,362−27.3%Reduced
Fred Alger Management, LLC735,949$6.81M0.04%+735,949New
Boxer Capital, LLC540,000$5.00M0.27%00.0%Unchanged
TCG Crossover Management, LLC486,795$4.50M0.79%+486,795New
Redmile Group, LLC464,252$4.29M0.18%−232,125−33.3%Reduced
Deerfield Management Company, L.P. (Series C)464,252$4.29M0.09%00.0%Unchanged
Millennium Management LLC351,125$3.25M0.00%+120,572+52.3%Added
Perceptive Advisors LLC317,454$2.94M0.08%+317,454New
Eversept Partners, LP282,874$2.62M0.25%−277,592−49.5%Reduced
Boone Capital Management LLC266,882$2.47M1.27%+266,882New
BlackRock Inc.262,305$2.43M0.00%−175,679−40.1%Reduced
Geode Capital Management, LLC231,265$2.14M0.00%+101,785+78.6%Added
Morgan Stanley200,155$1.85M0.00%+30,735+18.1%Added
Susquehanna International Group, LLP179,994$1.66M0.00%−85,375−32.2%Reduced
Bridgeway Capital Management, LLC175,951$1.63M0.04%−50,000−22.1%Reduced
Kynam Capital Management, LP165,486$1.53M0.23%−362,319−68.6%Reduced
Renaissance Technologies LLC163,400$1.51M0.00%−524,061−76.2%Reduced
Dimensional Fund Advisors LP125,508$1.16M0.00%+125,508New
State Street Corp87,667$810.9K0.00%+26,800+44.0%Added
Caxton Corp84,728$783.7K2.00%+84,728New
Citadel Advisors LLC73,178$676.9K0.00%+73,178New
Walleye Capital LLC60,505$559.7K0.01%+60,505New
Marshall Wace, LLP51,971$480.7K0.00%+51,971New
Jane Street Group, LLC40,034$370.3K0.00%−43,443−52.0%Reduced
Veritable, L.P.37,245$344.5K0.01%00.0%Unchanged
Northern Trust Corp34,196$316.3K0.00%+4,889+16.7%Added
Ikarian Capital, LLC30,286$280.1K0.12%−138,337−82.0%Reduced
683 Capital Management, LLC26,963$249.4K0.02%+26,963New
Bank of New York Mellon Corp25,741$238.1K0.00%+6,919+36.8%Added
Jefferies Financial Group Inc.25,000$231.3K0.00%+25,000New
Crestline Management, LP22,107$204.5K0.03%+226+1.0%Added
Two Sigma Investments, LP14,300$132.3K0.00%−23,758−62.4%Reduced
Boothbay Fund Management, LLC14,034$129.8K0.00%−2,988−17.6%Reduced
Marquette Asset Management, LLC13,539$125.2K0.04%+13,539New
Man Group plc13,021$120.4K0.00%+13,021New
Charles Schwab Investment Management Inc10,078$93.2K0.00%+10,078New
Advisor Group Holdings, Inc.9,140$84.0K0.00%+6,596+259.3%Added
Tower Research Capital LLC (TRC)4,910$45.0K0.00%−12,628−72.0%Reduced
Freedom Wealth Alliance, LLC4,416$40.8K0.06%+4,416New
Barclays PLC4,146$38.4K0.00%+2,925+239.6%Added
Lazard Asset Management LLC2,386$21.0K0.00%+2,386New
UBS Group AG1,546$14.3K0.00%−48,454−96.9%Reduced
Wells Fargo & Company1,318$12.2K0.00%−2,496−65.4%Reduced
Bank of America Corp1,225$11.3K0.00%−7,969−86.7%Reduced
Endurance Wealth Management, Inc.800$7.00K0.00%00.0%Unchanged
JPMorgan Chase & Co633$6.00K0.00%−1,276−66.8%Reduced
Federation des caisses Desjardins du Quebec340$3.15K0.00%00.0%Unchanged
Royal Bank of Canada244$2.00K0.00%−140−36.5%Reduced
Investors Research Corp150$1.39K0.00%+84+127.3%Added
GWM Advisors LLC140$1.29K0.00%+140New
Capital Advisors, Ltd. LLC81$1.00K0.00%+81New
FNY Investment Advisers, LLC200$1.00K0.00%+200New
Beaird Harris Wealth Management, LLC79$7310.00%00.0%Unchanged
NewSquare Capital LLC10$930.00%+10New
Privium Fund Management (UK) Ltd0$00.00%−331,218−100.0%Sold out
Acadian Asset Management LLC0$00.00%−147,480−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−143,629−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−54,400−100.0%Sold out
Victory Capital Management Inc0$00.00%−42,586−100.0%Sold out
Simplex Trading, LLC0$00.00%−24,310−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−13,594−100.0%Sold out
Virtu Financial LLC0$00.00%−14,070−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−10,996−100.0%Sold out
BIT Capital GmbH0$00.00%−10,000−100.0%Sold out
Group One Trading, L.P.0$00.00%−6,373−100.0%Sold out
Federated Hermes, Inc.0$00.00%−1,591−100.0%Sold out
First Manhattan Co0$00.00%−500−100.0%Sold out
Citigroup Inc0$00.00%−340−100.0%Sold out
Daiwa Securities Group Inc.0$00.00%−45−100.0%Sold out
Cutler Group LP0$00.00%−600−100.0%Sold out
China Universal Asset Management Co., Ltd.0$00.00%−272−100.0%Sold out