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
Westwood Holdings Group Inc.82,228$1.40M0.01%+82,228New
New York State Common Retirement Fund82,386$1.41M0.00%+57,195+227.0%Added
Crestline Management, LP85,000$1.45M0.14%+85,000New
TCG Crossover Management, LLC86,795$1.48M0.12%−400,000−82.2%Reduced
Charles Schwab Investment Management Inc93,525$1.60M0.00%−2,785−2.9%Reduced
TD Asset Management Inc127,030$2.17M0.00%+33,400+35.7%Added
Cubist Systematic Strategies, LLC137,538$2.35M0.03%+108,297+370.4%Added
Bank of New York Mellon Corp146,061$2.49M0.00%−10,892−6.9%Reduced
Cutter Capital Management, LP157,964$2.69M1.04%−72,036−31.3%Reduced
Caption Management, LLC160,000$2.73M0.30%+121,700+317.8%Added
Neuberger Berman Group LLC164,605$2.81M0.00%+164,605New
Marshall Wace, LLP171,187$2.92M0.00%+171,187New
Saturn V Capital Management LLC173,173$2.95M1.18%+173,173New
AXA S.A.178,162$3.04M0.01%+178,162New
Nuveen Asset Management, LLC198,037$3.38M0.00%−43,750−18.1%Reduced
Candriam Luxembourg S.C.A.200,000$3.41M0.02%+200,000New
UBS Group AG209,476$3.57M0.00%+70,831+51.1%Added
Bank of America Corp238,103$4.06M0.00%+77,583+48.3%Added
Woodline Partners LP242,663$4.14M0.04%+1,210+0.5%Added
Voloridge Investment Management, LLC278,123$4.74M0.02%+41,723+17.6%Added
Point72 Asset Management, L.P.282,651$4.82M0.01%−2,015−0.7%Reduced
Superstring Capital Management LP290,797$4.96M3.28%+290,797New
Citigroup Inc301,886$5.15M0.01%+215,340+248.8%Added
Northern Trust Corp304,161$5.19M0.00%−6,511−2.1%Reduced
Schonfeld Strategic Advisors LLC317,520$5.42M0.04%+65,905+26.2%Added
Ensign Peak Advisors, Inc330,925$5.65M0.01%+212,923+180.4%Added
Artisan Partners Limited Partnership334,813$5.71M0.01%+334,813New
Rafferty Asset Management, LLC354,424$6.05M0.02%+145,161+69.4%Added
Victory Capital Management Inc371,623$6.34M0.01%−32,304−8.0%Reduced
Ghost Tree Capital, LLC375,000$6.40M2.06%+225,000+150.0%Added
Duquesne Family Office LLCSuperinvestorDuquesne Family Office417,000$7.11M0.19%+417,000New
Integral Health Asset Management, LLC425,000$7.25M0.71%−95,000−18.3%Reduced
Goldman Sachs Group Inc425,174$7.25M0.00%+187,037+78.5%Added
Sofinnova Investments, Inc.429,746$7.33M0.43%+351+0.1%Added
Qube Research & Technologies Ltd434,500$7.41M0.01%+382,301+732.4%Added
Redmile Group, LLC442,826$7.55M0.28%−931,363−67.8%Reduced
Millennium Management LLC459,367$7.84M0.01%+459,367New
Alkeon Capital Management LLC500,000$8.53M0.05%+140,000+38.9%Added
Price T Rowe Associates Inc612,398$10.4M0.00%+84,633+16.0%Added
Invesco Ltd.744,777$12.7M0.00%−653,165−46.7%Reduced
Geode Capital Management, LLC773,090$13.2M0.00%+19,914+2.6%Added
Morgan Stanley885,704$15.1M0.00%+498,321+128.6%Added
StemPoint Capital LP1,003,916$17.1M4.58%+553,210+122.7%Added
Wellington Management Group LLP1,008,259$17.2M0.00%+468,383+86.8%Added
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
Polar Capital Holdings Plc1,250,000$21.3M0.13%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)1,258,650$21.5M0.37%−749,079−37.3%Reduced
VR Adviser, LLC1,563,952$26.7M1.27%−1,000,000−39.0%Reduced
Bain Capital Life Sciences Investors, LLC1,617,364$27.6M2.22%−382,636−19.1%Reduced
Perceptive Advisors LLC1,716,660$29.3M0.52%−286,398−14.3%Reduced
Lynx1 Capital Management LP2,082,973$35.5M9.15%−27,428−1.3%Reduced
Vanguard Group Inc2,276,222$38.8M0.00%+144,291+6.8%Added
T. Rowe Price Investment Management, Inc.2,470,493$42.1M0.03%+637,639+34.8%Added
Adage Capital Partners GP, L.L.C.3,036,645$51.8M0.10%−230,000−7.0%Reduced
Fred Alger Management, LLC3,110,314$53.1M0.26%−216,818−6.5%Reduced
Jennison Associates LLC3,422,984$58.4M0.04%+1,796,356+110.4%Added
State Street Corp3,741,460$63.8M0.00%+1,146,990+44.2%Added
BlackRock Inc.4,057,113$69.2M0.00%−351,892−8.0%Reduced
Holocene Advisors, LP0$00.00%−1,920,323−100.0%Sold out
Ikarian Capital, LLC0$00.00%−216,620−100.0%Sold out
First Turn Management, LLC0$00.00%−175,359−100.0%Sold out
Rokos Capital Management LLP0$00.00%−80,335−100.0%Sold out
Nicholas Investment Partners, LP0$00.00%−54,586−100.0%Sold out
Exome Asset Management LLC0$00.00%−46,700−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−46,021−100.0%Sold out
Advisory Research Inc0$00.00%−17,660−100.0%Sold out
HRT Financial LP0$00.00%−13,958−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−11,100−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−9,830−100.0%Sold out
SG Americas Securities, LLC0$00.00%−9,740−100.0%Sold out
Group One Trading, L.P.0$00.00%−3,397−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−1,164−100.0%Sold out
Federated Hermes, Inc.0$00.00%−132−100.0%Sold out