BDSX · Biodesix Inc · Holdings

$23.93 +0.06 (+0.25%) At close · Oct 21

Market Cap

$253.81M

10.55M

Volume · Oct 21 54.22K Avg daily vol (3M) 99.55K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP → See every holder of BDSX: 13F, 13D and 13G, insiders and funds →

Institutional holdings are being reconciled with SEC filings. Holder totals and changes may be incomplete until reconciliation finishes.

The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.

Quarter:

Holders: 44

Total Value: $100,063,824

Total Shares: 4,361,647

Institutional Ownership Trend

24 quarters

Holder Concentration

Across 45 13F filers

Top Holder

15.5%

of institutional value

Top 5

55.6%

of institutional value

Top 10

76.9%

of institutional value

HHI

802

Broadly held

Who Holds BDSX

Last 8 quarters through Sep 30, 2026 (filing window open)

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026, the newest closed quarter: 45 filers, like-for-like change +12.0%; actively managed books +15.8%; index-like books -1.4%.

Holder type	Share	Filers	Change	New	Exited
Registered adviser	34.2%	21	+36.2%	3	1
Exempt adviser	2.7%	1	-18.0%	0	0
Bank	2.0%	7	+62.5%	5	0
Non-US	0.0%	1	-87.2%	0	0
Holding company	9.9%	4	-16.2%	0	0
Broker-dealer	0.0%	0	-100.0%	0	1
Insurer	0.0%	0	—	0	0
Benefit plan	0.0%	0	—	0	0
Adviser	0.0%	0	—	0	0
Unknown	51.3%	11	+7.0%	2	3

Style	Share	Filers	Change	New	Exited
Index-like	19.6%	8	-1.4%	1	0
Systematic-like	9.4%	7	+24.7%	1	2
Concentrated	26.6%	7	-10.6%	0	0
Diversified active	44.4%	23	+38.1%	8	3
Not measured	0.0%	0	—	0	0
Unknown	0.0%	0	—	0	0

Turnover	Share	Filers	Change	New	Exited
Low turnover	16.2%	18	-2.8%	5	1
Medium turnover	33.7%	12	+18.0%	3	0
High turnover	42.6%	12	+13.5%	2	4
Unknown	7.4%	3	+14.1%	0	0
Not measured	0.0%	0	—	0	0

Holding horizon	Share	Filers	Change	New	Exited
Short horizon	26.2%	7	-0.6%	1	0
Medium horizon	15.7%	4	+34.5%	0	0
Long horizon	19.9%	25	+3.9%	8	3
Unknown	38.1%	9	+18.9%	1	2
Not measured	0.0%	0	—	0	0

13F book size	Share	Filers	Change	New	Exited
Under $1B	15.0%	8	+20.1%	1	0
$1B to $10B	50.5%	9	+10.6%	2	2
$10B to $100B	17.2%	9	+0.1%	2	2
$100B or more	17.3%	19	+23.8%	5	1
Not measured	0.0%	0	—	0	0

Client base	Share	Filers	Change	New	Exited
Individuals and high net worth	2.4%	5	+10.7%	1	1
Pooled investment vehicles	14.3%	10	+42.3%	2	0
Registered funds and BDCs	8.6%	3	+19.5%	0	0
Governments and sovereign funds	3.2%	2	+25.8%	0	0
Diversified	5.5%	1	+83.1%	0	0
Other investment advisers	0.0%	0	—	0	0
Unknown	65.8%	24	+2.5%	7	4

Private funds	Share	Filers	Change	New	Exited
Hedge funds	18.6%	12	+22.5%	2	0
Private equity funds	1.0%	1	+50.6%	0	0
Real estate funds	0.0%	1	0.0%	0	0
Other private funds	0.8%	2	+216.8%	1	0
Mixed private funds	0.0%	0	—	0	0
No private funds	16.5%	6	+34.4%	0	1
Private funds, type not stated	0.0%	0	—	0	0
Unknown	63.2%	23	+3.6%	7	4

Location	Share	Filers	Change	New	Exited
United States	86.1%	39	+16.6%	8	5
Outside the US	13.9%	6	-10.3%	2	0

The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.

How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Conviction and Crowding

45 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders

2.22% of filers hold it in their top 10

Mar 31, 2026: 0

Holders above 5%

median weight 0.001%

Mar 31, 2026: 0

Crowding

22.4%

of shares outstanding, 64th percentile

Mar 31, 2026: 19.7%

Private-fund advisers

8.78%

of shares outstanding

Institutional ownership

43.2%

76.1% of the estimated free float

Top 10 holders

76.9%

of 13F shares, Herfindahl 0.080

Active holders

+15.8%

like-for-like share change of active filers

5% stakes on record

3 13D, 3 13G (1 institutional, 2 passive, 0 exempt)

How long holders have held it value-weighted 5.0 quarters

Under 1 year 77.1% 1 to 3 years 14.3% 3 years or more 8.64% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost

$19.99

estimated per share

Mar 31, 2026: $20.33

Quarter-end price

$22.55

implied by 13F values

Estimated gain or loss

+12.8%

price against the estimated cost

Estimated at a loss

22.6%

of costed 13F value

Estimated cost covers 89.9% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies BDSX's active holders also own, quarter ended Jun 30, 2026

#	Company	Shared holders	Similarity
1	QNRX Quoin Pharmaceuticals Ltd.	3	0.359
2	ELUT Elutia Inc.	3	0.335
3	SOPH SOPHiA GENETICS SA	4	0.327
4	CSTL Castle Biosciences Inc	3	0.316
5	LUNG Pulmonx Corp	3	0.300
6	CDXS Codexis, Inc.	3	0.300
7	SLDB Solid Biosciences Inc.	4	0.270
8	APYX Apyx Medical Corp	3	0.263
9	RLMD Relmada Therapeutics, Inc.	4	0.253
10	IVVD Invivyd, Inc.	3	0.230

Shareholder Targets

13F filers that own its peers but not BDSX, quarter ended Jun 30, 2026

Found through its holder-overlap peers: QNRX, ELUT, SOPH, CSTL, LUNG, CDXS, SLDB, APYX, RLMD, IVVD, CBIO, SABS, PHAT, AVLN, PSNL, CGEM, PTGX, SION, IMVT, CELC. 746 filers in all.

#	Filer	In peers	Of book	Largest peers
1	RTW INVESTMENTS, LP Registered adviser, Diversified active	$1,243,520,088 7 held	10.6%	PTGX, CELC, IMVT
2	BAKER BROS. ADVISORS LP Registered adviser, Concentrated	$1,066,687,185 4 held	5.36%	CELC, IMVT, SION
3	FARALLON CAPITAL MANAGEMENT LLC Registered adviser, Diversified active	$1,001,915,547 2 held	5.91%	PTGX, IMVT
4	VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser, Diversified active	$722,393,422 15 held	0.030%	PTGX, IMVT, CELC
5	PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser, Diversified active	$599,826,098 15 held	0.060%	PTGX, CELC, IMVT
6	WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active	$595,984,601 10 held	0.100%	PTGX, CELC, AVLN
7	RA CAPITAL MANAGEMENT, L.P. Registered adviser, Concentrated	$573,129,677 3 held	5.05%	SION, SLDB, SABS
8	Deep Track Capital, LP Adviser, Diversified active	$449,129,517 3 held	6.84%	IMVT, PSNL, SLDB
9	Jupiter Topco LLC Unknown, Diversified active	$411,895,181 11 held	0.170%	PTGX, RLMD, SLDB
10	JENNISON ASSOCIATES LLC Registered adviser, Diversified active	$391,403,129 6 held	0.230%	PTGX, IMVT, SION

Fund Ownership of BDSX by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 3.23% of shares outstanding.

Fund type	Of shares outstanding	Change	Shares	Funds
Index funds	0.45%	+0.03 pp	47,449	7
Index ETFs	2.78%	+0.43 pp	293,535	3
Active ETFs	0.00%	0.00 pp	0	0
Active funds	4.29%	-0.15 pp	452,399	6
Unclassified	0.00%	0.00 pp	0	0
All registered funds	7.52%	+0.31 pp	793,383	16

How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Holder type: Registered adviser 21 Exempt adviser 1 Bank 7 Non-US 1 Holding company 4 Unknown 10

Showing 44 of 44

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

AIGH Capital Management LLC

$15,296,296

15.29%

678,328

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Worth Venture Partners, LLC	164,904	$3,718,585	24.3%	Other
Held directly	513,424	$11,577,711	75.7%	Sole

Soleus Capital Management, L.P.

$13,213,352

13.20%

585,958

Telemark Asset Management, LLC

$11,045,531

11.04%

489,824

Aberdeen Group plc

$8,763,809

8.76%

388,639

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
abrdn Inc.	388,639	$8,763,809	100.0%	Defined

ESSEX INVESTMENT MANAGEMENT CO LLC

$6,996,387

6.99%

234,542

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 129105	234,542	$6,996,387	100.0%	Sole

Birchview Capital, LP

$6,467,430

6.46%

286,804

VANGUARD CAPITAL MANAGEMENT LLC

$6,408,010

6.40%

284,169

Opaleye Management Inc.

$4,059,000

4.06%

180,000

MARSHALL WACE, LLP

$2,620,286

2.62%

116,199

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	116,199	$2,620,286	100.0%	Other

PERCEPTIVE ADVISORS LLC

$2,451,049

2.45%

108,694

JANE STREET GROUP, LLC

$2,063,460

2.06%

91,506

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	42,520	$958,826	46.5%	Defined
Jane Street Global Trading, LLC	48,986	$1,104,634	53.5%	Defined

TWO SIGMA INVESTMENTS, LP

$1,957,881

1.96%

86,824

Legato Capital Management LLC

$1,835,141

1.83%

81,381

Walleye Capital LLC

$1,678,779

1.68%

74,447

STEMPOINT CAPITAL LP

$1,578,500

1.58%

70,000

GEODE CAPITAL MANAGEMENT, LLC

$1,525,664

1.52%

67,657

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	10,756	$242,547	15.9%	Defined
Held directly	56,901	$1,283,117	84.1%	Defined

Trexquant Investment LP

$1,307,268

1.31%

57,972

GSA CAPITAL PARTNERS LLP

$1,059,601

1.06%

46,989

PERKINS CAPITAL MANAGEMENT INC

$1,006,135

1.01%

44,618

BlackRock, Inc.

$970,235

0.97%

43,026

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	1,156	$26,067	2.7%	Sole
BlackRock Fund Advisors	17,404	$392,460	40.4%	Sole
BlackRock Institutional Trust Company, N.A.	24,466	$551,708	56.9%	Sole

BLAIR WILLIAM & CO/IL

$936,907

0.94%

41,548

VANGUARD FIDUCIARY TRUST CO

$901,075

0.90%

39,959

SEI INVESTMENTS CO

$841,002

0.84%

37,295

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	37,295	$841,002	100.0%	Sole

UBS Group AG

$674,424

0.67%

29,908

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	11,400	$257,070	38.1%	Defined
UBS AG	6,876	$155,053	23.0%	Defined
UBS Europe SE	11,632	$262,301	38.9%	Defined

RENAISSANCE TECHNOLOGIES LLC

$646,012

0.65%

28,648

BANK OF AMERICA CORP /DE/

$602,941

0.60%

26,738

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	26,738	$602,941	100.0%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$587,089

0.59%

26,035

Quadrature Capital Ltd

$558,473

0.56%

24,766

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	24,766	$558,473	100.0%	Other

STATE STREET CORP

$401,435

0.40%

17,802

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	17,802	$401,435	100.0%	Defined

Squarepoint Ops LLC

$354,237

0.35%

15,709

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	15,709	$354,237	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$324,810

0.32%

14,404

NORTHERN TRUST CORP

$312,520

0.31%

13,859

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	13,859	$312,520	100.0%	Defined

THOMPSON DAVIS & CO., INC.

$255,942

0.26%

11,350

Cannell & Spears LLC

$201,168

0.20%

8,921

Allworth Financial LP

$111,960

0.11%

4,965

Vanguard Global Advisers, LLC

$23,767

0.02%

1,054

BARCLAYS PLC

$7,058

0.01%

313

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	313	$7,058	100.0%	Defined

Pflug Koory, LLC

$5,637

0.01%

250

Fortitude Family Office, LLC

$5,100

0.01%

171

BNP PARIBAS ARBITRAGE, SA

$2,660

0.00%

118

FMR LLC

$2,142

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STRATEGIC ADVISERS LLC	95	$2,142	100.0%	Defined

MORGAN STANLEY

$1,375

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	61	$1,375	100.0%	Defined

CITIGROUP INC

$1,307

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	58	$1,307	100.0%	Defined

JPMORGAN CHASE & CO

$969

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	43	$969	100.0%	Defined

Key facts CIK 1439725 CUSIP 09075X207 13F (30d) 3 filings 3 filers Visit website Investor relations