LeonaBio LONA Institutional Ownership

NASDAQ LONA

$4.38 +0.81 (+22.72%)

As of: Oct 1, 2026 · 3:59 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

$25.96Mn

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) has 44 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 30.6% of 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.
Activity in LONA broke down as 16 buyers, 7 sellers, and 21 unchanged among 44 total holders.
Altogether, these fund groups held 7.27Mn shares in LONA by June 2026, up by 818.72K shares quarter on quarter, and with no net change year over year.
PERCEPTIVE ADVISORS LLC is the top holder of LeonaBio as of June 30, 2026, with 1.86Mn shares representing 7.84% of outstanding stock.
Leading buyers of LeonaBio shares for the quarter ending June 2026 were 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).
Top sellers of LONA stock for the quarter ending June 2026 included 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).
According to Business Quant data, leading holders of LONA for June 2026 are PERCEPTIVE ADVISORS LLC (1.86Mn), ADAR1 Capital Management, LLC (777.1K), ACORN CAPITAL ADVISORS, LLC (634.54K), TCG Crossover Management, LLC (464.4K), Commodore Capital LP (464.4K), NEA Management Company, 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
4	NEA Management Company, LLC	0001512848	464,398	1.96%	0	0.00%	$4.27Mn
4	Commodore Capital LP	0001831942	464,398	1.96%	0	0.00%	$4.27Mn
4	TCG Crossover Management, LLC	0001839948	464,398	1.96%	0	0.00%	$4.27Mn
5	Spruce Street Capital LP	0002050194	393,701	1.66%	0	0.00%	$3.62Mn
5	Kalehua Capital Management LLC	0002106181	393,701	1.66%	0	0.00%	$3.62Mn
6	Blackstone Inc.	0001393818	324,638	1.37%	▲324,638	0.00%	$2.98Mn
7	ADAGE CAPITAL PARTNERS GP, L.L.C.	0001165408	300,000	1.26%	▲300,000	0.00%	$2.76Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	275,233	1.16%	▲80,473	+41.32%	$2.53Mn
9	Seven Fleet Capital Management LP	0002092021	154,153	0.65%	▼10,523	-6.39%	$1.42Mn
10	Propel Bio Management, LLC	0001969764	149,279	0.63%	0	0.00%	$1.37Mn
10	Simplify Asset Management Inc.	0001846368	149,279	0.63%	0	0.00%	$1.37Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	80,418	0.34%	▲95	+0.12%	$739.51K
12	BlackRock, Inc.	0002012383	79,186	0.33%	▲23,135	+41.27%	$727.72K
13	RENAISSANCE TECHNOLOGIES LLC	0001037389	77,424	0.33%	▲13,202	+20.56%	$711.53K
14	VANGUARD FIDUCIARY TRUST CO	0000933478	42,814	0.18%	▲2,775	+6.93%	$393.46K
15	Bank Of America Corp /De/	0000070858	32,557	0.14%	▼9	-0.03%	$299.20K
16	MILLENNIUM MANAGEMENT LLC	0001273087	32,450	0.14%	▲772	+2.44%	$298.22K

Showing 1 to 20 of 44 holders