LeonaBio LONA Institutional Ownership

NASDAQ LONA

$7.04 -0.98 (-12.22%)

At close: Sep 9, 2026 · 4:00 PM EDT

Institutions by Trading Activity

44 Institutions

Increased 16 36.4%

Unchanged 21 47.7%

Reduced 7 15.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

30.65%

▼-3.27 pp QoQ

Shares Held by Institutions

7.27Mn

of 23.73Mn outstanding

▲+12.69% QoQ

Shares Outstanding

23.73Mn

16.45Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+5 vs prior quarter

Net Shares Added (QoQ)

+818.72K

accumulated since last quarter

Value of Holdings

$54.97Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

LeonaBio, Inc. (NASDAQ:LONA) showed up in the 13F filings of 44 institutional investors as of June 2026.

Collectively, these holders controlled 30.6% of LeonaBio's outstanding shares in June 2026, down from 33.9% in March 2026.
They increased total shares held in LONA by 12.69% quarter over quarter, and investors in LeonaBio stayed flat from a year ago.
Among the 44 funds, 16 bought more LeonaBio shares, 7 sold down, and 21 held their ground.
The aggregate institutional position in LeonaBio amounted to 7.27Mn shares as of June 2026, up by 818.72K shares quarter on quarter, and with no net change year over year.
PERCEPTIVE ADVISORS LLC leads ownership in LONA with 1.86Mn shares as of June 30, 2026, equal to 7.84% of outstanding shares.
The most significant purchases of LONA for the quarter ending June 2026 came from Blackstone Inc. (324.64K), ADAGE CAPITAL PARTNERS GP, L.L.C. (300.0K), VANGUARD CAPITAL MANAGEMENT LLC (80.47K), ADAR1 Capital Management, LLC (49.62K), BlackRock, Inc. (23.14K).
The largest sellers of LeonaBio for the quarter ending June 2026 were Seven Fleet Capital Management LP (10.52K), OSAIC HOLDINGS, INC. (1.6K), Royal Bank Of Canada (1.38K), UBS Group AG (1.1K), Morgan Stanley (382).
Business Quant data shows the 10 biggest positions in LeonaBio as of June 2026 are held by PERCEPTIVE ADVISORS LLC (1.86Mn), ADAR1 Capital Management, LLC (777.1K), ACORN CAPITAL ADVISORS, LLC (634.54K), Commodore Capital LP (464.4K), NEA Management Company, LLC (464.4K), TCG Crossover Management, LLC (464.4K), Spruce Street Capital LP (393.7K), Kalehua Capital Management LLC (393.7K), Blackstone Inc. (324.64K), ADAGE CAPITAL PARTNERS GP, L.L.C. (300.0K).

Form 13F Holdings

44 Institutional Holders

Report period 30 Jun, 2026

Total shares held 7.27Mn

Of outstanding 30.65%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	PERCEPTIVE ADVISORS LLC	0001224962	1,859,322	7.84%	0	0.00%	$17.09Mn
2	ADAR1 Capital Management, LLC	0001940272	777,100	3.28%	▲49,619	+6.82%	$7.14Mn
3	ACORN CAPITAL ADVISORS, LLC	0002054410	634,539	2.67%	0	0.00%	$5.83Mn
3	Commodore Capital LP	0001831942	464,398	1.96%	0	0.00%	$4.27Mn
3	TCG Crossover Management, LLC	0001839948	464,398	1.96%	0	0.00%	$4.27Mn
3	NEA Management Company, LLC	0001512848	464,398	1.96%	0	0.00%	$4.27Mn
4	Spruce Street Capital LP	0002050194	393,701	1.66%	0	0.00%	$3.62Mn
4	Kalehua Capital Management LLC	0002106181	393,701	1.66%	0	0.00%	$3.62Mn
5	Blackstone Inc.	0001393818	324,638	1.37%	▲324,638	0.00%	$2.98Mn
6	ADAGE CAPITAL PARTNERS GP, L.L.C.	0001165408	300,000	1.26%	▲300,000	0.00%	$2.76Mn
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	275,233	1.16%	▲80,473	+41.32%	$2.53Mn
8	Seven Fleet Capital Management LP	0002092021	154,153	0.65%	▼10,523	-6.39%	$1.42Mn
9	Simplify Asset Management Inc.	0001846368	149,279	0.63%	0	0.00%	$1.37Mn
9	Propel Bio Management, LLC	0001969764	149,279	0.63%	0	0.00%	$1.37Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	80,418	0.34%	▲95	+0.12%	$739.51K
11	BlackRock, Inc.	0002012383	79,186	0.33%	▲23,135	+41.27%	$727.72K
12	RENAISSANCE TECHNOLOGIES LLC	0001037389	77,424	0.33%	▲13,202	+20.56%	$711.53K
13	VANGUARD FIDUCIARY TRUST CO	0000933478	42,814	0.18%	▲2,775	+6.93%	$393.46K
14	Bank Of America Corp /De/	0000070858	32,557	0.14%	▼9	-0.03%	$299.20K
15	MILLENNIUM MANAGEMENT LLC	0001273087	32,450	0.14%	▲772	+2.44%	$298.22K

Showing 1 to 20 of 44 holders