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, 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
BlackRock Inc.4,057,113$69.2M0.00%−351,892−8.0%Reduced
State Street Corp3,741,460$63.8M0.00%+1,146,990+44.2%Added
Jennison Associates LLC3,422,984$58.4M0.04%+1,796,356+110.4%Added
Fred Alger Management, LLC3,110,314$53.1M0.26%−216,818−6.5%Reduced
Adage Capital Partners GP, L.L.C.3,036,645$51.8M0.10%−230,000−7.0%Reduced
T. Rowe Price Investment Management, Inc.2,470,493$42.1M0.03%+637,639+34.8%Added
Vanguard Group Inc2,276,222$38.8M0.00%+144,291+6.8%Added
Lynx1 Capital Management LP2,082,973$35.5M9.15%−27,428−1.3%Reduced
Perceptive Advisors LLC1,716,660$29.3M0.52%−286,398−14.3%Reduced
Bain Capital Life Sciences Investors, LLC1,617,364$27.6M2.22%−382,636−19.1%Reduced
VR Adviser, LLC1,563,952$26.7M1.27%−1,000,000−39.0%Reduced
Deerfield Management Company, L.P. (Series C)1,258,650$21.5M0.37%−749,079−37.3%Reduced
Polar Capital Holdings Plc1,250,000$21.3M0.13%00.0%Unchanged
Commodore Capital LP1,100,000$18.8M1.25%−800,000−42.1%Reduced
Cormorant Asset Management, LP1,100,000$18.8M0.83%+1,100,000New
Wellington Management Group LLP1,008,259$17.2M0.00%+468,383+86.8%Added
StemPoint Capital LP1,003,916$17.1M4.58%+553,210+122.7%Added
Morgan Stanley885,704$15.1M0.00%+498,321+128.6%Added
Geode Capital Management, LLC773,090$13.2M0.00%+19,914+2.6%Added
Invesco Ltd.744,777$12.7M0.00%−653,165−46.7%Reduced
Price T Rowe Associates Inc612,398$10.4M0.00%+84,633+16.0%Added
Alkeon Capital Management LLC500,000$8.53M0.05%+140,000+38.9%Added
Millennium Management LLC459,367$7.84M0.01%+459,367New
Redmile Group, LLC442,826$7.55M0.28%−931,363−67.8%Reduced
Qube Research & Technologies Ltd434,500$7.41M0.01%+382,301+732.4%Added
Sofinnova Investments, Inc.429,746$7.33M0.43%+351+0.1%Added
Goldman Sachs Group Inc425,174$7.25M0.00%+187,037+78.5%Added
Integral Health Asset Management, LLC425,000$7.25M0.71%−95,000−18.3%Reduced
Duquesne Family Office LLCSuperinvestorDuquesne Family Office417,000$7.11M0.19%+417,000New
Ghost Tree Capital, LLC375,000$6.40M2.06%+225,000+150.0%Added
Victory Capital Management Inc371,623$6.34M0.01%−32,304−8.0%Reduced
Rafferty Asset Management, LLC354,424$6.05M0.02%+145,161+69.4%Added
Artisan Partners Limited Partnership334,813$5.71M0.01%+334,813New
Ensign Peak Advisors, Inc330,925$5.65M0.01%+212,923+180.4%Added
Schonfeld Strategic Advisors LLC317,520$5.42M0.04%+65,905+26.2%Added
Northern Trust Corp304,161$5.19M0.00%−6,511−2.1%Reduced
Citigroup Inc301,886$5.15M0.01%+215,340+248.8%Added
Superstring Capital Management LP290,797$4.96M3.28%+290,797New
Point72 Asset Management, L.P.282,651$4.82M0.01%−2,015−0.7%Reduced
Voloridge Investment Management, LLC278,123$4.74M0.02%+41,723+17.6%Added
Woodline Partners LP242,663$4.14M0.04%+1,210+0.5%Added
Bank of America Corp238,103$4.06M0.00%+77,583+48.3%Added
UBS Group AG209,476$3.57M0.00%+70,831+51.1%Added
Candriam Luxembourg S.C.A.200,000$3.41M0.02%+200,000New
Nuveen Asset Management, LLC198,037$3.38M0.00%−43,750−18.1%Reduced
AXA S.A.178,162$3.04M0.01%+178,162New
Saturn V Capital Management LLC173,173$2.95M1.18%+173,173New
Marshall Wace, LLP171,187$2.92M0.00%+171,187New
Neuberger Berman Group LLC164,605$2.81M0.00%+164,605New
Caption Management, LLC160,000$2.73M0.30%+121,700+317.8%Added
Cutter Capital Management, LP157,964$2.69M1.04%−72,036−31.3%Reduced
Bank of New York Mellon Corp146,061$2.49M0.00%−10,892−6.9%Reduced
Cubist Systematic Strategies, LLC137,538$2.35M0.03%+108,297+370.4%Added
TD Asset Management Inc127,030$2.17M0.00%+33,400+35.7%Added
Charles Schwab Investment Management Inc93,525$1.60M0.00%−2,785−2.9%Reduced
TCG Crossover Management, LLC86,795$1.48M0.12%−400,000−82.2%Reduced
Crestline Management, LP85,000$1.45M0.14%+85,000New
New York State Common Retirement Fund82,386$1.41M0.00%+57,195+227.0%Added
Westwood Holdings Group Inc.82,228$1.40M0.01%+82,228New
HealthInvest Partners AB77,540$1.32M0.80%+56,540+269.2%Added
Royal Bank of Canada77,245$1.32M0.00%−19,711−20.3%Reduced
Trexquant Investment LP69,417$1.18M0.02%+69,417New
Prudential Financial Inc69,220$1.18M0.00%00.0%Unchanged
AlphaCentric Advisors LLC65,000$1.11M0.67%+65,000New
Susquehanna International Group, LLP64,099$1.09M0.00%+42,045+190.6%Added
Voya Investment Management LLC59,498$1.02M0.00%+45,569+327.2%Added
Swiss National Bank59,200$1.01M0.00%+8,200+16.1%Added
Renaissance Technologies LLC59,000$1.01M0.00%+59,000New
Profund Advisors LLC54,427$928.5K0.04%+20,569+60.8%Added
ExodusPoint Capital Management, LP53,342$910.0K0.01%+53,342New
Manufacturers Life Insurance Company, The52,233$891.1K0.00%−444−0.8%Reduced
Octagon Capital Advisors LP52,000$887.1K0.11%+52,000New
Jane Street Group, LLC50,719$865.3K0.00%−37,690−42.6%Reduced
Skandinaviska Enskilda Banken AB (publ)49,563$845.5K0.00%+49,563New
Barclays PLC48,968$835.4K0.00%−80,104−62.1%Reduced
Nan Fung Group Holdings Ltd47,150$804.4K0.75%00.0%Unchanged
Blackstone Group Inc.46,780$798.1K0.00%−300,714−86.5%Reduced
Churchill Management Corp46,606$795.1K0.01%−2,750−5.6%Reduced
Rhumbline Advisers45,606$778.0K0.00%+1,459+3.3%Added
Squarepoint Ops LLC42,431$723.9K0.00%+18,798+79.5%Added
Two Sigma Investments, LP36,674$625.7K0.00%−38,117−51.0%Reduced
LPL Financial LLC34,933$596.0K0.00%−2,705−7.2%Reduced
Cinctive Capital Management LP34,592$590.1K0.03%+34,592New
Point72 (DIFC) Ltd33,973$579.6K0.04%+33,973New
Advisor Group Holdings, Inc.33,427$570.1K0.00%+5,747+20.8%Added
Credit Suisse AG33,388$569.6K0.00%00.0%Unchanged
Envestnet Asset Management Inc32,564$555.5K0.00%−517−1.6%Reduced
Alliancebernstein L.P.31,310$534.1K0.00%−62,022−66.5%Reduced
Graham Capital Management, L.P.31,174$531.8K0.02%+31,174New
Quest Partners LLC30,876$526.7K0.09%+30,876New
California State Teachers Retirement System30,428$519.1K0.00%+1,711+6.0%Added
Polar Asset Management Partners Inc.27,900$476.0K0.01%+27,900New
Blair William & Co27,300$465.7K0.00%+8,762+47.3%Added
Engineers Gate Manager LP26,287$448.5K0.01%+26,287New
Dimensional Fund Advisors LP25,375$432.9K0.00%00.0%Unchanged
HAP Trading, LLC24,070$410.6K0.13%+24,070New
JPMorgan Chase & Co23,655$403.6K0.00%−21,185−47.2%Reduced
Legal & General Group Plc23,418$399.5K0.00%−2,193−8.6%Reduced
HighVista Strategies LLC22,208$378.9K0.14%+22,208New
Tudor Investment Corp Et Al21,314$363.6K0.00%+21,314New