Cabaletta Bio, Inc.

CABANASDAQ

$2.00+0.11 (+5.82%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Cabaletta Bio, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-20.9%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Jennison Associates LLC	12.29%	$62.3M	0.04%	Add 123.33%
T. Rowe Price Investment Management, Inc.	11.57%	$58.7M	0.04%	Add 70.31%
Bain Capital Life Sciences Investors, LLC	10.57%	$53.6M	3.19%	Add 78.17%
BlackRock, Inc.	6.60%	$33.4M	0.00%	Not reported
Adage Capital Partners GP, L.L.C.	5.63%	$28.5M	0.04%	Add 3.91%
State Street Corp	4.81%	$24.4M	0.00%	Not reported
Vanguard Capital Management LLC	4.43%	$22.5M	0.00%	Not reported
Cormorant Asset Management, LP	3.07%	$15.6M	0.80%	Reduce 9.09%
Woodline Partners LP	2.58%	$13.1M	0.04%	Not reported
Norges Bank	2.52%	$12.8M	0.00%	Not reported
Opaleye Management Inc.	2.37%	$12M	1.09%	Add 179.99%
Citadel Advisors LLC	2.16%	$11M	0.00%	Not reported
Geode Capital Management, LLC	2.12%	$10.8M	0.00%	Not reported
Goldman Sachs Group Inc	1.36%	$6.88M	0.00%	Not reported
Millennium Management LLC	1.27%	$6.43M	0.00%	Not reported
Cantor Fitzgerald, L. P.	0.98%	$4.98M	0.03%	Not reported
Marshall Wace, LLP	0.96%	$4.87M	0.00%	Not reported
Renaissance Technologies LLC	0.94%	$4.77M	0.01%	Not reported
UBS Group AG	0.90%	$4.58M	0.00%	Not reported
Qube Research & Technologies Ltd	0.88%	$4.44M	0.00%	Not reported
Vanguard Portfolio Management LLC	0.87%	$4.41M	0.00%	Not reported
Two Sigma Investments, LP	0.87%	$4.39M	0.00%	Not reported
Morgan Stanley	0.83%	$4.18M	0.00%	Not reported
Sphera Funds Management Ltd.	0.82%	$4.13M	0.54%	New Not reported
Superstring Capital Management LP	0.78%	$3.48M	2.20%	Add 19.92%
Vanguard Fiduciary Trust Co	0.67%	$3.39M	0.00%	Not reported
Northern Trust Corp	0.62%	$3.13M	0.00%	Not reported
Dimensional Fund Advisors LP	0.59%	$3.01M	0.00%	Not reported
Stonepine Capital Management, LLC	0.56%	$2.85M	1.61%	Add 1734.20%
Schroder Investment Management Group	0.53%	$2.66M	0.00%	Add 13.22%
Ameriprise Financial Inc	0.51%	$2.58M	0.00%	Not reported
Heights Capital Management, Inc	0.46%	$2.35M	0.54%	New Not reported
Blue Owl Capital Holdings LP	0.44%	$2.22M	0.33%	Not reported
Ikarian Capital, LLC	0.43%	$2.18M	0.23%	Reduce 22.22%
Burkehill Global Management, LP	0.43%	$2.18M	0.08%	Not reported
Gsa Capital Partners LLP	0.41%	$2.08M	0.13%	Not reported
Nuveen, LLC	0.40%	$2.01M	0.00%	Not reported
KVP Capital Advisors, LP	0.31%	$1.57M	1.15%	Not reported
Bank of America Corp	0.30%	$1.53M	0.00%	Not reported
Jump Financial, LLC	0.30%	$1.52M	0.01%	Not reported
Susquehanna Portfolio Strategies, LLC	0.24%	$1.19M	0.02%	Add 2078.43%
Charles Schwab Investment Management Inc	0.23%	$1.17M	0.00%	Not reported
Bank of New York Mellon Corp	0.19%	$948K	0.00%	Not reported
Wellington Management Group LLP	0.18%	$890K	0.00%	Add 15.57%
Bridgeway Capital Management, LLC	0.16%	$832K	0.01%	Not reported
Invesco Ltd.	0.15%	$751K	0.00%	Not reported
Wells Fargo & Company	0.12%	$612K	0.00%	Not reported
Citigroup Inc	0.11%	$573K	0.00%	Not reported
Boothbay Fund Management, LLC	0.11%	$567K	0.01%	Not reported
Manufacturers Life Insurance Company, the	0.11%	$566K	0.00%	Not reported

50 of 130 holders

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