Biodesix Inc

BDSX

Exchange: Nasdaq
Industry: Services-Medical Laboratories
SEC CIK: 0001439725

SEC filings (opens in a new tab)

In the last 90 days, Biodesix Inc insiders filed 1 open-market purchase and 0 sales; 45 institutions reported holding it in 13F filings for Q2 2026, worth $98.5M in total; no superinvestor holds it.

Key figures

Market capClose on Nov 11, 2026: $112.2M
Insider buysLast 90 days, $1.00M in total: 1
Insider sellsOpen market, last 90 days: 0
13F holdersQ2 2026, +5 vs. previous quarter: 45
13F valueReported value at the end of Q2 2026: $98.5M
Superinvestors holdingAt the end of Q2 2026: 0

Price chart

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Financials

See financial statements

From SEC filings, in USD.

Revenue, FY2025: $88.5M; +24.1% year over year
Net income, FY2025: -$35.3M; No comparable prior period
Free cash flow, FY2025: -$23.5M; No comparable prior period
Revenue, Q3 FY2026: $24.0M; +10.4% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Net loss for FY2025: $35.3M (39.8% of revenue).

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest: 210.0K; Shares sold short
Change: +514; +0.3% vs. previous
Days to cover: 2.46; At average daily volume

Superinvestors holding BDSX, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding BDSX at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by Biodesix Inc insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Nov 12, 2026 (view filing)9:29 AM ET	Nov 10	2 days	Schuler Jack W10% Owner, Other: Emeritus Director	PPurchase	+100.0K	$10.02	+$1.00M	+18.0%655.8K after
Aug 13, 2026 (view filing)5:22 PM ET	Aug 12	1 day	Schuler Jack W10% Owner, Other: Emeritus Director	PPurchase	+15.0K	$24.47	+$367.0K	+2.8%555.8K after
Aug 12, 2026 (view filing)5:55 PM ET	Aug 10-11	2 days	Schuler Jack W10% Owner, Other: Emeritus Director	PPurchase	+27.6K	$24.13	+$665.9K	+5.4%540.8K after	2 lots
Feb 23, 2026 (view filing)	Feb 23	Same day	Vazquez ChrisChief Accounting Officer	SSale	−211	$12.78	−$2.70K	−11.7%1.59K after
Feb 23, 2026 (view filing)	Feb 23	Same day	Cowie Robin HarperCFO, Sec'y & Treasurer	SSale	−535	$12.78	−$6.84K	−3.2%16.2K after
Feb 23, 2026 (view filing)	Feb 23	Same day	Hutton ScottPresident & CEO	SSale	−1.49K	$12.78	−$19.0K	−3.0%48.8K after
Feb 23, 2026 (view filing)	Feb 23	Same day	Pestano Gary AnthonyChief Development Officer	SSale	−556	$12.78	−$7.11K	−5.1%10.4K after
Feb 23, 2026 (view filing)	Feb 23	Same day	O'Kane KieranChief Commercial Officer	SSale	−535	$12.78	−$6.84K	−5.2%9.82K after
Feb 11, 2026 (view filing)	Feb 10	1 day	Cowie Robin HarperCFO, Sec'y & Treasurer	SSale	−941	$10.08	−$9.49K	−5.8%15.3K after
Feb 11, 2026 (view filing)	Feb 10	1 day	Vazquez ChrisChief Accounting Officer	SSale	−101	$10.08	−$1.02K	−7.6%1.23K after

Top 10 13F holders, Q2 2026

See all 45 holders

The largest institutional positions in Biodesix Inc at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding BDSX in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
AIGH Capital Management LLC	678,328	$15.3M	1.38%	−80,000−10.5%	Reduced
Soleus Capital Management, L.P.	585,958	$13.2M	0.46%	+169,359+40.7%	Added
Telemark Asset Management, LLC	489,824	$11.0M	0.80%	00.0%	Unchanged
Standard Life Aberdeen plc	388,639	$8.76M	0.01%	−69,799−15.2%	Reduced
Birchview Capital, LP	286,804	$6.47M	3.02%	00.0%	Unchanged
Vanguard Capital Management LLC	284,169	$6.41M	0.00%	+29,008+11.4%	Added
Essex Investment Management Co LLC	241,915	$5.46M	0.71%	+109,829+83.1%	Added
Opaleye Management Inc.	180,000	$4.06M	0.37%	−58,047−24.4%	Reduced
Marshall Wace, LLP	116,199	$2.62M	0.00%	−25,437−18.0%	Reduced
Perceptive Advisors LLC	108,694	$2.45M	0.04%	+108,694	New

Holders of 5% or more of BDSX

See all 6 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Biodesix Inc.

Largest holders of BDSX from 13D and 13G filings
Holder	Latest form	Stake	Change	First filed	Latest filing	Filing
Schuler Jack W	13D/A	26.00%39.8M shares	+1.30 ppfrom 24.70%	Jan 4, 20229 filings	Sep 3, 2025	SEC
Schuler Jack W	13D/A	22.30%2.48M shares	−1.70 ppfrom 24.00%	Sep 23, 20253 filings	Nov 12, 2026	SEC
Hirschman Orin	13G	7.70%758.3K shares	–	Mar 21, 20233 filings	Apr 28, 2026	SEC
Telemark Asset Management, LLC	13G	5.40%427.8K shares	+1.30 ppfrom 4.10%	Jun 24, 20243 filings	Jan 26, 2026	SEC
Perceptive Advisors LLC	13G	5.10%7.67M shares	+0.60 ppfrom 4.50%	May 13, 20243 filings	May 15, 2025	SEC