CABALETTA BIO INC (CABA) Stock Institutional Trading Activity


CABALETTA BIO INC (CABA) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy183,1601,522,583$3,334,457
Q3 2025Renaissance Technologies LLCBuy1,213,3231,339,423$3,134,250
Q2 2025Renaissance Technologies LLCBuy115,200126,100$191,672
Q1 2025Renaissance Technologies LLCSell-219,26110,900$15,097
Q4 2024Renaissance Technologies LLCBuy171,161230,161$522,465
Q1 2024Renaissance Technologies LLCSell-18,70059,000$1,007
Q2 2023Renaissance Technologies LLCSell-35,10077,700$1,003
Q1 2023Renaissance Technologies LLCSell-50,600112,800$933
Q4 2022Renaissance Technologies LLCSell-524,061163,400$1,511
Q3 2022Renaissance Technologies LLCBuy352,461687,461$447
Q2 2022Renaissance Technologies LLCBuy135,600335,000$355
Q1 2022Renaissance Technologies LLCBuy184,500199,400$405
Q2 2021Renaissance Technologies LLCSell-46,54714,900$128
Q2 2020Renaissance Technologies LLCBuy48,44761,447$685
Q1 2020Renaissance Technologies LLCBuy13,00013,000$95

Frequently asked questions about CABA activity

  • Which institutional owners are buying CABA?

    Institutional owners buying CABA include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CABA activity?

    "Buy" means an investor increased their reported position in CABA compared to the prior reporting period. This reflects growing exposure to CABALETTA BIO INC (CABA) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CABA increasing?

    Institutional interest in CABA can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.