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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, Q2 2024

Institutional positions in Cabaletta Bio, Inc. as of Jun 30, 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
142
−16 vs. Q1 2024
Shares held
50.8M
−215.5K (−0.4%) vs. Q1 2024
Total value
$380.0M
−$490.4M (−56.3%) vs. Q1 2024
New holders
19
54 more added
Sold out
35
49 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 holdersQ2 2024: 142 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 heldQ2 2024: $380.0M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q1 2024.

Institutions holding CABA in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Jennison Associates LLC5,546,467$41.5M0.03%+2,123,483+62.0%Added
BlackRock Inc.4,756,219$35.6M0.00%+699,106+17.2%Added
T. Rowe Price Investment Management, Inc.3,878,210$29.0M0.02%+1,407,717+57.0%Added
Adage Capital Partners GP, L.L.C.3,036,645$22.7M0.04%00.0%Unchanged
Alkeon Capital Management LLC2,618,000$19.6M0.10%+2,118,000+423.6%Added
Fred Alger Management, LLC2,522,882$18.9M0.09%−587,432−18.9%Reduced
Vanguard Group Inc2,366,057$17.7M0.00%+89,835+3.9%Added
State Street Corp2,005,801$15.0M0.00%−1,735,659−46.4%Reduced
Bain Capital Life Sciences Investors, LLC1,649,964$12.3M1.35%+32,600+2.0%Added
VR Adviser, LLC1,563,952$11.7M0.75%00.0%Unchanged
Polar Capital Holdings Plc1,253,500$9.38M0.06%+3,500+0.3%Added
Sofinnova Investments, Inc.1,220,400$9.13M0.58%+790,654+184.0%Added
StemPoint Capital LP1,178,105$8.81M2.59%+174,189+17.4%Added
Commodore Capital LP1,100,000$8.23M0.56%00.0%Unchanged
Geode Capital Management, LLC970,573$7.26M0.00%+197,483+25.5%Added
JPMorgan Chase & Co956,689$7.16M0.00%+933,034+3,944.3%Added
Millennium Management LLC698,317$5.22M0.00%+238,950+52.0%Added
Victory Capital Management Inc634,217$4.74M0.00%+262,594+70.7%Added
Perceptive Advisors LLC585,045$4.38M0.11%−1,131,615−65.9%Reduced
Price T Rowe Associates Inc582,275$4.36M0.00%−30,123−4.9%Reduced
Lynx1 Capital Management LP492,103$3.68M1.33%−1,590,870−76.4%Reduced
Deerfield Management Company, L.P. (Series C)464,252$3.47M0.06%−794,398−63.1%Reduced
Redmile Group, LLC442,826$3.31M0.20%00.0%Unchanged
Integral Health Asset Management, LLC425,000$3.18M0.32%00.0%Unchanged
UBS Asset Management Americas Inc403,136$3.02M0.00%+390,215+3,020.0%Added
Goldman Sachs Group Inc395,823$2.96M0.00%−29,351−6.9%Reduced
Two Sigma Investments, LP395,437$2.96M0.01%+358,763+978.2%Added
Ghost Tree Capital, LLC370,899$2.77M0.97%−4,101−1.1%Reduced
Marshall Wace, LLP330,187$2.47M0.00%+159,000+92.9%Added
Artisan Partners Limited Partnership327,397$2.45M0.00%−7,416−2.2%Reduced
Citadel Advisors LLC319,546$2.39M0.00%+317,305+14,159.1%Added
Squarepoint Ops LLC315,379$2.36M0.01%+272,948+643.3%Added
Northern Trust Corp306,408$2.29M0.00%+2,247+0.7%Added
Qube Research & Technologies Ltd303,326$2.27M0.00%−131,174−30.2%Reduced
Exome Asset Management LLC300,200$2.25M2.00%+300,200New
Panagora Asset Management Inc299,801$2.24M0.01%+299,801New
Jane Street Group, LLC296,615$2.22M0.00%+245,896+484.8%Added
Morgan Stanley295,509$2.21M0.00%−590,195−66.6%Reduced
Prudential Financial Inc286,810$2.15M0.00%+217,590+314.3%Added
E Fund Management Co., Ltd.286,424$2.14M0.12%+269,675+1,610.1%Added
AXA S.A.270,778$2.03M0.01%+92,616+52.0%Added
Woodline Partners LP242,981$1.82M0.02%+318+0.1%Added
Schonfeld Strategic Advisors LLC194,037$1.45M0.01%−123,483−38.9%Reduced
Bank of New York Mellon Corp190,217$1.42M0.00%+44,156+30.2%Added
Walleye Capital LLC189,957$1.42M0.01%+189,957New
Jump Financial, LLC182,135$1.36M0.03%+182,135New
Westwood Holdings Group Inc.170,129$1.27M0.01%+87,901+106.9%Added
Bank of America Corp169,105$1.26M0.00%−68,998−29.0%Reduced
Nuveen Asset Management, LLC162,304$1.21M0.00%−35,733−18.0%Reduced
Wellington Management Group LLP158,809$1.19M0.00%−849,450−84.2%Reduced
Superstring Capital Management LP139,895$1.05M1.32%−150,902−51.9%Reduced
TD Asset Management Inc134,030$1.00M0.00%+7,000+5.5%Added
Charles Schwab Investment Management Inc118,327$885.1K0.00%+24,802+26.5%Added
Crestline Management, LP104,705$783.2K0.06%+19,705+23.2%Added
Rafferty Asset Management, LLC103,582$774.8K0.00%−250,842−70.8%Reduced
Prelude Capital Management, LLC95,200$712.1K0.06%+95,200New
TCG Crossover Management, LLC86,795$649.2K0.07%00.0%Unchanged
New York State Common Retirement Fund82,160$614.6K0.00%−226−0.3%Reduced
Voloridge Investment Management, LLC76,513$572.3K0.00%−201,610−72.5%Reduced
Two Sigma Advisers, LP72,500$542.3K0.00%+72,500New
AlphaCentric Advisors LLC70,000$523.6K0.39%+5,000+7.7%Added
UBS Group AG68,573$512.9K0.00%−140,903−67.3%Reduced
Royal Bank of Canada67,062$501.0K0.00%−10,183−13.2%Reduced
Susquehanna International Group, LLP66,973$501.0K0.00%+2,874+4.5%Added
Swiss National Bank66,500$497.4K0.00%+7,300+12.3%Added
Alliancebernstein L.P.64,630$483.4K0.00%+33,320+106.4%Added
HealthInvest Partners AB64,321$481.1K0.29%−13,219−17.0%Reduced
Rhumbline Advisers61,880$462.9K0.00%+16,274+35.7%Added
Verition Fund Management LLC57,626$431.0K0.00%+57,626New
Balyasny Asset Management LLC56,828$425.1K0.00%+41,865+279.8%Added
Manufacturers Life Insurance Company, The56,424$422.1K0.00%+4,191+8.0%Added
Skandinaviska Enskilda Banken AB (publ)49,563$370.7K0.00%00.0%Unchanged
Nan Fung Group Holdings Ltd47,150$352.7K0.38%00.0%Unchanged
Barclays PLC41,239$308.5K0.00%−7,729−15.8%Reduced
California State Teachers Retirement System33,825$253.0K0.00%+3,397+11.2%Added
Advisor Group Holdings, Inc.33,548$250.8K0.00%+121+0.4%Added
Corton Capital Inc.31,931$238.8K0.13%+31,931New
Aquatic Capital Management LLC31,100$232.6K0.01%+31,100New
Envestnet Asset Management Inc30,026$224.6K0.00%−2,538−7.8%Reduced
LPL Financial LLC29,441$220.2K0.00%−5,492−15.7%Reduced
Trexquant Investment LP28,233$211.2K0.00%−41,184−59.3%Reduced
MetLife Investment Management27,714$207.3K0.00%+9,399+51.3%Added
Legal & General Group Plc26,720$199.9K0.00%+3,302+14.1%Added
Corebridge Financial, Inc.23,129$173.0K0.00%+23,129New
Nomura Holdings Inc23,057$172.5K0.00%+23,057New
Engineers Gate Manager LP22,969$171.8K0.00%−3,318−12.6%Reduced
Citigroup Inc22,894$171.2K0.00%−278,992−92.4%Reduced
HighVista Strategies LLC22,208$166.1K0.06%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.21,797$162.5K0.00%+21,797New
Keybank National Association21,506$160.9K0.00%+5,612+35.3%Added
Group One Trading, L.P.20,669$154.6K0.00%+20,669New
Bayesian Capital Management, LP20,583$154.0K0.02%+9,396+84.0%Added
State of Wisconsin Investment Board20,191$151.0K0.00%−549−2.6%Reduced
Ensign Peak Advisors, Inc19,373$144.9K0.00%−311,552−94.1%Reduced
Janus Henderson Group PLC19,400$144.6K0.00%−178−0.9%Reduced
Wells Fargo & Company19,309$144.4K0.00%+5,934+44.4%Added
Profund Advisors LLC19,250$144.0K0.01%−35,177−64.6%Reduced
Franklin Resources Inc18,904$141.4K0.00%+2,781+17.2%Added
Y-Intercept (Hong Kong) Ltd18,727$140.1K0.01%+18,727New
Graham Capital Management, L.P.17,966$134.4K0.00%−13,208−42.4%Reduced