Institutional shares held 72.8 Million
1.1M calls
14.9K puts
Total value of holdings $168M
$2.55M calls
$34K puts
Market Cap $67M
29,014,000 Shares Out.
Institutional ownership 250.82%
# of Institutions 83


Latest Institutional Activity in CABA

Top Purchases

Q3 2025
Jennison Associates LLC Shares Held: 8.5M ($19.6M)
Q3 2025
T. Rowe Price Investment Management, Inc. Shares Held: 8.36M ($19.3M)
Q3 2025
Renaissance Technologies LLC Shares Held: 1.34M ($3.09M)
Q3 2025
Marshall Wace, LLP Shares Held: 1.33M ($3.06M)
Q3 2025
Woodline Partners LP Shares Held: 2.14M ($4.93M)

Top Sells

Q3 2025
Alyeska Investment Group, L.P. Shares Held: 1.3M ($3M)
Q3 2025
Jefferies Financial Group Inc. Shares Held: 47.5K ($110K)
Q3 2025
Burkehill Global Management, LP Shares Held: 700K ($1.62M)
Q3 2025
Heights Capital Management, Inc Shares Held: 2.08M ($4.81M)
Q3 2025
Citadel Advisors LLC Shares Held: 705K ($1.63M)

About CABA

Cabaletta Bio, Inc., a clinical-stage biotechnology company, focuses on the discovery and development of engineered T cell therapies for patients with B cell-mediated autoimmune diseases. Its proprietary technology utilizes chimeric autoantibody receptor (CAAR) T cells that are designed to selectively bind and eliminate B cells, which produce disease-causing autoantibodies or pathogenic B cells. The company's lead product candidate is DSG3-CAART, which is in Phase I clinical trial for the treatment of mucosal pemphigus vulgaris, an autoimmune blistering skin disease, and Hemophilia A with Factor VIII alloantibodies. Its product candidate pipeline also includes MuSK-CAART, a preclinical stage product to treat a subset of patients with myasthenia gravis; FVIII-CAART, a discovery stage product to treat a subset of patients with Hemophilia A; and DSG3/1-CAART, a discovery stage product for the treatment of mucocutaneous pemphigus vulgaris. It has a collaboration with the University of Pennsylvania; and research agreement with The Regents of the University of California. The company was formerly known as Tycho Therapeutics, Inc. and changed its name to Cabaletta Bio, Inc. in August 2018. Cabaletta Bio, Inc. was incorporated in 2017 and is headquartered in Philadelphia, Pennsylvania.


Insider Transactions at CABA

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
0 Shares
From 0 Insiders
Sell / Disposition
0 Shares
From 0 Insiders

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