Cabaletta Bio

CABA · NASDAQ

$1.61+$0.13 (+8.78%)TodayMarket closed ·
Prev close $1.48

Who owns CABA

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 63.5% of CABA’s shares.

  • Jennison Associates LLC12.3%
  • T. Rowe Price Investment Management, Inc.11.6%
  • Bain Capital Life Sciences Investors, LLC10.6%
  • BlackRock Institutional Trust Company, N.A.5.9%
  • Next 6 largest institutions23.2%
  • All other shareholders36.5%
Top institutional holders of CABA
HolderShares% of shares
Jennison Associates LLC20.03M12.29%
T. Rowe Price Investment Management, Inc.18.87M11.57%
Bain Capital Life Sciences Investors, LLC17.24M10.57%
BlackRock Institutional Trust Company, N.A.9.67M5.93%
Adage Capital Management, L.P.9.17M5.63%
State Street Investment Management (US)7.84M4.81%
Vanguard Capital Management, LLC7.23M4.43%
Cormorant Asset Management, LP5.00M3.07%
T. Rowe Price Associates, Inc.4.31M2.64%
Woodline Partners LP4.20M2.58%

Largest mutual fund holders

Top mutual fund holders of CABA
HolderShares% of shares
Statens Pensjonsfond Utland8.66M5.31%
T. Rowe Price Small Cap Value Fund7.87M4.82%
State Street SPDR S&P Biotech ETF5.55M3.40%
Vanguard Total Stock Market Index Fund5.22M3.20%
PGIM Jennison Health Sciences Fund4.96M3.04%

Insider trades

Form 4 filings by officers, directors and large holders

Insiders made no open-market buys or sales of CABA in the last 6 months.

Latest CABA insider transactions
InsiderTypeSharesValue
Bollard CatherineAward22.00K—
Brun Scott C.Award22.00K—
Tomasello ShawnAward22.00K—
Simon MarkAward22.00K—
HENRIQUES RICHARD C JRAward22.00K—

Short interest

Settled Sep 30, 2026

Shares short
38.61M
Days to cover
6.30
% of shares outstanding
23.68%
Average daily volume
6.13M
Change since last report
+15.9%

Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.