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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, Q3 2023

Institutional positions in Cabaletta Bio, Inc. as of Sep 30, 2023. 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
97
+14 vs. Q2 2023
Shares held
40.9M
+4.46M (+12.3%) vs. Q2 2023
Total value
$622.6M
+$152.1M (+32.3%) vs. Q2 2023
New holders
26
47 more added
Sold out
12
10 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 97 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 heldQ3 2023: $622.6M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q2 2023.

Institutions holding CABA in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Fred Alger Management, LLC4,259,455$64.8M0.37%−313,431−6.9%Reduced
Adage Capital Partners GP, L.L.C.3,266,645$49.7M0.11%00.0%Unchanged
Cormorant Asset Management, LP2,879,424$43.8M2.56%+657,685+29.6%Added
Commodore Capital LP2,525,753$38.4M4.49%+157,567+6.7%Added
BlackRock Inc.2,442,197$37.2M0.00%+732,479+42.8%Added
Deerfield Management Company, L.P. (Series C)2,340,118$35.6M0.78%00.0%Unchanged
Lynx1 Capital Management LP2,106,000$32.1M21.20%−75,377−3.5%Reduced
Bain Capital Life Sciences Investors, LLC2,000,000$30.4M3.40%00.0%Unchanged
VR Adviser, LLC1,973,253$30.0M3.16%+20.0%Added
Vanguard Group Inc1,968,108$30.0M0.00%+246,596+14.3%Added
Redmile Group, LLC1,774,252$27.0M1.28%+403,953+29.5%Added
Baker Bros. Advisors LP1,594,000$24.3M0.14%00.0%Unchanged
State Street Corp1,532,842$23.3M0.00%+1,071,345+232.1%Added
Jennison Associates LLC1,422,367$21.6M0.02%+241,803+20.5%Added
Holocene Advisors, LP1,183,046$18.0M0.08%+1,183,046New
Perceptive Advisors LLC1,132,491$17.2M0.58%−412,509−26.7%Reduced
Invesco Ltd.854,043$13.0M0.00%−2,846−0.3%Reduced
Geode Capital Management, LLC691,872$10.5M0.00%+189,145+37.6%Added
TCG Crossover Management, LLC486,795$7.41M1.09%00.0%Unchanged
Integral Health Asset Management, LLC330,000$5.02M0.71%+330,000New
Goldman Sachs Group Inc300,052$4.57M0.00%+300,052New
Northern Trust Corp299,769$4.56M0.00%+85,287+39.8%Added
Wellington Management Group LLP246,570$3.75M0.00%+246,570New
Morgan Stanley222,017$3.38M0.00%+14,656+7.1%Added
Prudential Financial Inc187,220$2.85M0.00%+465+0.2%Added
Rokos Capital Management LLP173,850$2.67M0.10%00.0%Unchanged
Alliancebernstein L.P.165,403$2.52M0.00%+154,303+1,390.1%Added
Velan Capital Investment Management LP150,000$2.28M1.87%−100,000−40.0%Reduced
Bank of New York Mellon Corp145,467$2.21M0.00%+20,171+16.1%Added
Bank of America Corp141,186$2.15M0.00%+115,688+453.7%Added
Nuveen Asset Management, LLC135,978$2.07M0.00%+53,910+65.7%Added
Woodline Partners LP134,184$2.04M0.02%+134,184New
Rafferty Asset Management, LLC118,150$1.80M0.01%+118,150New
First Manhattan Co117,600$1.79M0.01%00.0%Unchanged
Royal Bank of Canada104,763$1.59M0.00%−11,042−9.5%Reduced
Charles Schwab Investment Management Inc96,005$1.46M0.00%+27,456+40.1%Added
Dimensional Fund Advisors LP78,705$1.20M0.00%−56,052−41.6%Reduced
Envestnet Asset Management Inc75,365$1.15M0.00%+49,904+196.0%Added
Victory Capital Management Inc66,650$1.01M0.00%+6,980+11.7%Added
Barclays PLC64,586$983.0K0.00%+59,490+1,167.4%Added
Swiss National Bank61,100$929.9K0.00%+61,100New
Putnam Investments LLC58,934$897.0K0.00%+58,934New
Churchill Management Corp57,047$868.3K0.01%+57,047New
EAM Investors, LLC55,156$839.5K0.16%+55,156New
Bridgeway Capital Management, LLC50,621$770.5K0.02%00.0%Unchanged
Citigroup Inc49,695$756.4K0.00%+42,078+552.4%Added
UBS Oconnor LLC48,332$735.6K0.01%−33,000−40.6%Reduced
Advisor Group Holdings, Inc.47,370$720.9K0.00%+43,127+1,016.4%Added
Nan Fung Group Holdings Ltd47,150$717.6K0.58%+6,027+14.7%Added
Two Sigma Investments, LP46,725$711.2K0.00%+734+1.6%Added
Rhumbline Advisers42,602$648.4K0.00%+13,622+47.0%Added
LPL Financial LLC37,861$576.2K0.00%+6,258+19.8%Added
UBS Group AG34,983$532.4K0.00%+20,063+134.5%Added
California State Teachers Retirement System32,161$489.5K0.00%+23,653+278.0%Added
Legal & General Group Plc31,643$481.6K0.00%+28,612+944.0%Added
Wells Fargo & Company31,043$472.5K0.00%+17,307+126.0%Added
State of Wisconsin Investment Board28,709$437.0K0.00%+28,709New
Virtu Financial LLC25,631$390.0K0.04%+25,631New
JPMorgan Chase & Co23,668$360.2K0.00%+3,204+15.7%Added
Deutsche Bank AG21,135$321.7K0.00%+9,692+84.7%Added
Credit Suisse AG20,846$317.3K0.00%+20,846New
Profund Advisors LLC20,121$306.2K0.02%+20,121New
Janus Henderson Group PLC19,597$298.6K0.00%+19,597New
Squarepoint Ops LLC19,292$293.6K0.00%+8,873+85.2%Added
First Republic Investment Management, Inc.18,542$282.2K0.00%−4,913−20.9%Reduced
MetLife Investment Management18,315$278.8K0.00%+4,746+35.0%Added
American International Group, Inc.17,186$261.6K0.00%+4,875+39.6%Added
Mirae Asset Global Investments Co., Ltd.16,798$255.7K0.00%+3,798+29.2%Added
Price T Rowe Associates Inc15,315$234.0K0.00%+2,724+21.6%Added
AQR Capital Management LLC14,546$221.4K0.00%+14,546New
Voya Investment Management LLC13,929$212.0K0.00%+3,720+36.4%Added
Manufacturers Life Insurance Company, The13,250$201.7K0.00%+2,761+26.3%Added
Franklin Resources Inc12,065$183.6K0.00%+12,065New
Voloridge Investment Management, LLC10,762$163.8K0.00%+10,762New
New York State Common Retirement Fund10,363$157.7K0.00%+363+3.6%Added
Occudo Quantitative Strategies LP10,123$154.1K0.02%+10,123New
Zurcher Kantonalbank (Zurich Cantonalbank)7,539$114.7K0.00%+7,539New
Amalgamated Bank4,648$71.0K0.00%+922+24.7%Added
Allspring Global Investments Holdings, LLC4,136$62.9K0.00%+4,136New
Ameritas Investment Partners, Inc.3,452$52.5K0.00%+1,340+63.4%Added
Lazard Asset Management LLC3,285$49.0K0.00%+158+5.1%Added
Citadel Advisors LLC2,463$37.5K0.00%+2,463New
Comerica Bank2,028$30.9K0.00%+2,028New
Metropolitan Life Insurance Co2,021$30.8K0.00%+615+43.7%Added
Tower Research Capital LLC (TRC)1,581$24.1K0.00%+764+93.5%Added
WR Wealth Planners, LLC900$13.7K0.01%00.0%Unchanged
FMR LLC792$12.1K0.00%+555+234.2%Added
The PNC Financial Services Group, Inc.786$12.0K0.00%+72+10.1%Added
Private Trust Co NA497$7.56K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec340$5.17K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC79$1.20K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC81$1.00K0.00%00.0%Unchanged
Federated Hermes, Inc.58$8830.00%−215−78.8%Reduced
Bogart Wealth, LLC50$7610.00%00.0%Unchanged
Authentikos Wealth Advisory, LLC33$5020.00%+33New
Nisa Investment Advisors, LLC23$3500.00%+23New
Russell Investments Group, Ltd.14$2130.00%+14New
Boxer Capital, LLC0$00.00%−540,000−100.0%Sold out
Blackstone Group Inc.0$00.00%−498,779−100.0%Sold out
Millennium Management LLC0$00.00%−371,070−100.0%Sold out