LeonaBio, Inc.

LONANASDAQ

$4.82+0.44 (+10.05%)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

LeonaBio, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+15.9%). 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
Perceptive Advisors LLC	19.73%	$17.1M	0.26%	Not reported
Kalehua Capital Management LLC	8.36%	$7.24M	2.31%	Not reported
ADAR1 Capital Management, LLC	8.25%	$7.14M	0.33%	Add 6.82%
Acorn Capital Advisors, LLC	6.73%	$5.83M	1.59%	Not reported
NEA Management Company, LLC	4.93%	$4.27M	0.27%	Not reported
Commodore Capital LP	4.93%	$4.27M	0.25%	Not reported
TCG Crossover Management, LLC	4.93%	$4.27M	0.10%	Not reported
Spruce Street Capital LP	4.18%	$3.62M	0.71%	Not reported
Blackstone Inc.	3.45%	$2.98M	0.01%	Not reported
Adage Capital Partners GP, L.L.C.	3.18%	$2.76M	0.00%	New Not reported
Vanguard Capital Management LLC	2.92%	$2.53M	0.00%	Not reported
Seven Fleet Capital Management LP	1.64%	$1.42M	0.23%	Reduce 6.39%
Simplify Asset Management Inc.	1.58%	$1.37M	0.02%	Not reported
Propel Bio Management, LLC	1.58%	$1.37M	0.72%	Not reported
Geode Capital Management, LLC	0.85%	$740K	0.00%	Not reported
BlackRock, Inc.	0.84%	$728K	0.00%	Not reported
Renaissance Technologies LLC	0.82%	$712K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.45%	$393K	0.00%	Not reported
Bank of America Corp	0.35%	$299K	0.00%	Not reported
Millennium Management LLC	0.34%	$298K	0.00%	Not reported
Laird Norton Wetherby Trust Company, LLC	0.23%	$201K	0.00%	Not reported
State Street Corp	0.17%	$150K	0.00%	Not reported
Dimensional Fund Advisors LP	0.16%	$135K	0.00%	Not reported
Northern Trust Corp	0.15%	$132K	0.00%	Not reported
Two Sigma Investments, LP	0.14%	$122K	0.00%	Not reported
XTX Topco Ltd	0.12%	$108K	0.00%	Not reported
Acadian Asset Management LLC	0.11%	$94K	0.00%	Not reported
Citadel Advisors LLC	0.11%	$91.9K	0.00%	Not reported
Osaic Holdings, Inc.	0.05%	$42.1K	0.00%	Not reported
JPMorgan Chase & Co	0.02%	$17.8K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.01%	$12.2K	0.00%	Not reported
Royal Bank of Canada	0.01%	$8K	0.00%	Not reported
Tower Research Capital LLC (TRC)	0.00%	$4.03K	0.00%	Not reported
American Capital Advisory, LLC	0.00%	$1.84K	0.00%	Not reported
UBS Group AG	0.00%	$1.8K	0.00%	Not reported
Rothschild Investment LLC	0.00%	$1.38K	0.00%	Not reported
Morgan Stanley	0.00%	$818	0.00%	Not reported
US Bancorp \de\	0.00%	$744	0.00%	Not reported
Global Retirement Partners, LLC	0.00%	$477	0.00%	Not reported
Barclays PLC	0.00%	$386	0.00%	Not reported
Jones Financial Companies LLLP	0.00%	$310	0.00%	Not reported
BNP Paribas Financial Markets	0.00%	$184	0.00%	Not reported
SBI Securities Co., Ltd.	0.00%	$110	0.00%	Not reported
Caitong International Asset Management Co., Ltd	0.00%	$55	0.00%	Not reported

End of history · 44 holders

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