Biodesix BDSX Institutional Ownership

NASDAQ BDSX

$28.52 -2.08 (-6.80%)

As of: Aug 27, 2026 · 3:59 PM EDT

Institutions by Trading Activity

44 Institutions

Increased 24 54.5%

Unchanged 7 15.9%

Reduced 13 29.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

41.56%

▲+1.57 pp QoQ

Shares Held by Institutions

4.28Mn

of 10.30Mn outstanding

▲+12.29% QoQ

Shares Outstanding

10.30Mn

6.02Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+4 vs prior quarter

Net Shares Added (QoQ)

+468.35K

accumulated since last quarter

Value of Holdings

$130.93Mn

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

Biodesix Inc (NASDAQ:BDSX) has 1 institutional investors that have filed 13F reports for the period ending March 2026.

These investors held 3.0% of outstanding shares in March 2026, down from 3.8% in December 2025.
Their total shares held in BDSX maintained 0.0% from the prior quarter, while the number of investors in Biodesix decreased 98.33% year over year.
Among the 1 funds, 0 bought more Biodesix shares, 0 sold down, and 1 held their ground.
Combined, these investors held 286.8K shares in BDSX for March 2026, with no net change quarter on quarter, and down 2.5Mn shares year over year.
Birchview Capital, LP is the top holder of Biodesix as of March 31, 2026, with 286.8K shares representing 2.97% of outstanding stock.
Biodesix's 1 largest shareholders as of March 2026 include Birchview Capital, LP (286.8K) per Business Quant data.

Form 13F Holdings

44 Institutional Holders

Report period 30 Jun, 2026

Total shares held 4.28Mn

Of outstanding 41.56%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	AIGH Capital Management LLC	0001835943	678,328	6.59%	▼80,000	-10.55%	$15.30Mn
2	Soleus Capital Management, L.P.	0001802630	585,958	5.69%	▲169,359	+40.65%	$13.21Mn
3	Telemark Asset Management, LLC	0001420816	489,824	4.76%	0	0.00%	$11.05Mn
4	Aberdeen Group plc	0001716774	388,639	3.77%	▼69,799	-15.23%	$8.76Mn
5	Birchview Capital, LP	0001618205	286,804	2.79%	0	0.00%	$6.47Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	284,169	2.76%	▲29,008	+11.37%	$6.41Mn
7	ESSEX INVESTMENT MANAGEMENT CO LLC	0000201772	241,915	2.35%	▲109,829	+83.15%	$5.46Mn
8	Opaleye Management Inc.	0001595855	180,000	1.75%	▼58,047	-24.38%	$4.06Mn
9	MARSHALL WACE, LLP	0001318757	116,199	1.13%	▼25,437	-17.96%	$2.62Mn
10	PERCEPTIVE ADVISORS LLC	0001224962	108,694	1.06%	▲108,694	0.00%	$2.45Mn
11	JANE STREET GROUP, LLC	0001595888	91,506	0.89%	▲64,475	+238.52%	$2.06Mn
12	TWO SIGMA INVESTMENTS, LP	0001179392	86,824	0.84%	▲41,593	+91.96%	$1.96Mn
13	Walleye Capital LLC	0001758720	74,447	0.72%	▲63,607	+586.78%	$1.68Mn
14	STEMPOINT CAPITAL LP	0001952142	70,000	0.68%	▼4	-0.01%	$1.58Mn
15	GEODE CAPITAL MANAGEMENT, LLC	0001214717	67,657	0.66%	▲17,659	+35.32%	$1.53Mn
16	Trexquant Investment LP	0001633445	57,972	0.56%	▼11,629	-16.71%	$1.31Mn
17	GSA CAPITAL PARTNERS LLP	0001362033	46,989	0.46%	▲7,583	+19.24%	$1.06K
18	PERKINS CAPITAL MANAGEMENT INC	0000884300	44,618	0.43%	▼165	-0.37%	$1.01Mn
19	BlackRock, Inc.	0002012383	43,026	0.42%	▲18,560	+75.86%	$970.24K
20	BLAIR WILLIAM & CO/IL	0000902367	41,548	0.40%	▲13,965	+50.63%	$936.91K

Showing 1 to 20 of 44 holders