Biodesix Ownership | Who Owns Biodesix?

Overview Forecast RevenueFinancials Chart Transcripts

Biodesix Ownership Summary

Biodesix is owned by 24.28% institutional investors, 52.13% insiders, and 23.58% retail investors. Telemark asset management is the largest institutional shareholder, holding 5.65% of BDSX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.53% of its assets in Biodesix shares.

BDSX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Biodesix	24.28%	52.13%	23.58%
Sector	Healthcare Stocks	479.67%	11.03%	-390.70%
Industry	Diagnostics & Research Stocks	54.85%	10.74%	34.40%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Telemark asset management	8.28M	5.65%	$2.34M
Bryn mawr trust	6.10M	4.17%	$9.33M
Birchview capital, lp	5.74M	3.91%	$1.62M
Vanguard group	3.82M	2.61%	$5.85M
Perceptive advisors	2.17M	1.48%	$613.03K
Monashee investment management	2.00M	1.36%	$564.40K
Susquehanna group, llp	1.12M	0.76%	$1.71M
Silverarc capital management	1.07M	0.73%	$302.06K
Perkins capital management	1.06M	0.72%	$299.05K
Balyasny asset management	859.52K	0.59%	$242.56K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Birchview capital, lp	5.74M	1.61%	$1.62M
Amh equity	651.87K	0.98%	$997.36K
Perkins capital management	1.06M	0.30%	$299.05K
Telemark asset management	8.28M	0.21%	$2.34M
Monashee investment management	2.00M	0.20%	$564.40K
Bryn mawr trust	6.10M	0.17%	$9.33M
Silverarc capital management	1.07M	0.06%	$302.06K
Cvi	38.53K	0.05%	$58.96K
Perceptive advisors	2.17M	0.02%	$613.03K
Bridgeway capital management	394.31K	0.01%	$603.30K

Top Buyers

Holder	Shares	% Assets	Change
Susquehanna group, llp	1.12M	0.00%	987.48K
Vanguard group	3.82M	0.00%	861.00K
Balyasny asset management	859.52K	0.00%	859.52K
Goldman sachs group	118.03K	-	118.03K
Bridgeway capital management	394.31K	0.01%	109.80K

Top Sellers

Holder	Shares	% Assets	Change
Sio capital management	-	-	-4.34M
Aigh capital management	-	-	-4.27M
Soleus capital management	-	-	-4.04M
Opaleye management	-	-	-3.23M
Silverarc capital management	1.07M	0.06%	-3.03M

New Positions

Holder	Shares	% Assets	Change	Value
Goldman sachs group	118.03K	-	118.03K	$180.59K
Nantahala capital management	84.90K	0.00%	84.90K	$23.96K
Cvi	38.53K	0.05%	38.53K	$58.96K
Cetera investment advisers	10.00K	-	10.00K	$2.82K
Bnp paribas arbitrage, snc	1.00	-	1.00	$2.00

Sold Out

Holder	Change
Macquarie group	-512.00
Maryland capital advisors	-1.00K
Tower research capital llc (trc)	-2.95K
Point72 asia (singapore) pte.	-7.01K
Nwam	-10.00K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	40	-34.43%	35,612,550	-33.23%	24	1.83%	14	-41.67%	11	-42.11%
Mar 31, 2025	62	3.33%	53,381,434	-8.98%	36	2.27%	25	-35.90%	20	185.71%
Dec 31, 2024	60	11.11%	58,649,815	-5.74%	40	2.22%	39	50.00%	7	16.67%
Sep 30, 2024	53	12.77%	56,123,896	5.03%	38	1.27%	24	-22.58%	7	-12.50%
Jun 30, 2024	47	11.90%	53,436,850	232.22%	54	14.33%	31	29.17%	8	-11.11%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	2.25M	1.53%	-49.13K
Vanguard US Total Market Shares ETF	1.44M	0.98%	-
Vanguard Institutional Extnd Mkt Idx Tr	974.58K	0.66%	-444.09K
Fidelity Extended Market Index	397.33K	0.27%	-1.04K
1290 Essex Small Cap Growth I	179.59K	0.12%	1.50K
Pleiades Small Cap Equity A	139.71K	0.10%	-
Fidelity Total Market Index	134.09K	0.09%	-
BlackRock Extended Equity Market K	131.64K	0.09%	131.64K
Extended Equity Market Fund K	127.70K	0.09%	-2.55K
Bridgeway Ultra-Small Company Market	116.31K	0.08%	-275.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 13, 2025	Cowie Robin Harper	CFO, Sec'y & Treasurer	Sell	$411.30
Aug 13, 2025	Hutton Scott	President & CEO	Sell	$1.57K
Aug 13, 2025	O'Kane Kieran	Chief Commercial Officer	Sell	$198.16
Aug 13, 2025	Pestano Gary Anthony	Chief Development Officer	Sell	$184.00
Aug 13, 2025	Vazquez Chris	Chief Accounting Officer	Sell	$94.92

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	5
2025 Q2	2	10
2025 Q1	-	5
2024 Q4	10	10
2024 Q3	-	10

BDSX Ownership FAQ

Who Owns Biodesix?

Biodesix shareholders are primarily institutional investors at 24.28%, followed by 52.13% insiders and 23.59% retail investors. The average institutional ownership in Biodesix's industry, Diagnostics & Research Stocks, is 54.85%, which Biodesix falls below.

Who owns the most shares of Biodesix?

Biodesix’s largest shareholders are Telemark asset management (8.28M shares, 5.65%), Bryn mawr trust (6.1M shares, 4.17%), and Birchview capital, lp (5.74M shares, 3.91%). Together, they hold 13.73% of Biodesix’s total shares outstanding.

Does Blackrock own Biodesix?

BlackRock is not among the top 10 institutional shareholders of Biodesix.

Who is Biodesix’s biggest shareholder by percentage of total assets invested?

Birchview capital, lp is Biodesix’s biggest shareholder by percentage of total assets invested, with 1.61% of its assets in 5.74M Biodesix shares, valued at 1.62M$.

Who is the top mutual fund holder of Biodesix shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Biodesix shares, with 1.53% of its total shares outstanding invested in 2.25M Biodesix shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools