BDSX

Biodesix Inc

Company with tickers: BDSX

CIK
1439725
CUSIP
09075X207
Shares Outstanding
10,355,809
Holders: 36
Total Value: $47,909,730
Total Shares: 3,304,120

Institutional Ownership Trend

3 quarters

Holder Concentration

Across 36 13F filers · Δ vs Dec 31, 2025
Top Holder
23.0%
Sep 2025 → Mar 2026 · range 23.0% – 35.5%
−1.8 pts
Top 5
71.5%
Sep 2025 → Mar 2026 · range 71.5% – 73.6%
−2.0 pts
Top 10
85.5%
Sep 2025 → Mar 2026 · range 85.5% – 91.2%
−4.0 pts
HHI
1,209
Sep 2025 → Mar 2026 · range 1,209 – 1,764
Broadly held −154

Quarterly Activity

vs Dec 31, 2025
New
20
Increased
7
Decreased
2
Sold Out
10
Unchanged
7
Holder count: +10
Institutional value: +431.7%
Shares held: +149.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
Large Aberdeen Group plc +196,013 458,438
Mid Telemark Asset Management, LLC +162,000 489,824
Large Trexquant Investment LP +42,059 69,601
Mega MORGAN STANLEY +32,331 32,392
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +25,390 37,890

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds
Mid GSA CAPITAL PARTNERS LLP −25,077 39,406
Mid Tower Research Capital LLC (TRC) −192 1

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Small AIGH Capital Management LLC 758,328 $10,995,756
Mid Soleus Capital Management, L.P. 416,599 $6,040,685
Small Opaleye Management Inc. 238,047 $3,451,681
Large MARSHALL WACE, LLP 141,636 $2,053,721
Small ESSEX INVESTMENT MANAGEMENT CO LLC 132,086 $1,915,247

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD)
Mega VANGUARD GROUP INC 162,424 $1,104,483
Small Monashee Investment Management LLC 112,344 $763,939
Mid PERCEPTIVE ADVISORS LLC 108,694 $739,119
Large Balyasny Asset Management L.P. 33,017 $224,515
Mega CITADEL ADVISORS LLC 25,985 $176,698
37 of 37 shown
Export CSV
Holder Value (USD) % of 13F Shares Action
Small AIGH Capital Management LLC $10,995,756 22.95% 758,328 View
Mid Telemark Asset Management, LLC $7,102,448 14.82% 489,824 View
Large Aberdeen Group plc $6,647,351 13.87% 458,438 View
Mid Soleus Capital Management, L.P. $6,040,685 12.61% 416,599 View
Small Opaleye Management Inc. $3,451,681 7.20% 238,047 View
Large MARSHALL WACE, LLP $2,053,721 4.29% 141,636 View
Small ESSEX INVESTMENT MANAGEMENT CO LLC $1,915,247 4.00% 132,086 View
Small STEMPOINT CAPITAL LP $1,015,058 2.12% 70,004 View
Large Trexquant Investment LP $1,009,214 2.11% 69,601 View
Mega GEODE CAPITAL MANAGEMENT, LLC $724,970 1.51% 49,998 View
Mega TWO SIGMA INVESTMENTS, LP $655,849 1.37% 45,231 View
Small PERKINS CAPITAL MANAGEMENT INC $649,353 1.36% 44,783 View
Large SEI INVESTMENTS CO $623,848 1.30% 43,024 View
Mid GSA CAPITAL PARTNERS LLP $571,387 1.19% 39,406 View
Mega UBS Group AG $533,715 1.11% 36,808 View
Mega MORGAN STANLEY $469,684 0.98% 32,392 View
Large BLAIR WILLIAM & CO/IL $399,953 0.83% 27,583 View
Mega JANE STREET GROUP, LLC $391,949 0.82% 27,031 View
Mega BlackRock, Inc. $354,757 0.74% 24,466 View
Mega MILLENNIUM MANAGEMENT LLC $348,087 0.73% 24,006 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $334,805 0.70% 23,090 View
Mega STATE STREET CORP $258,129 0.54% 17,802 View
Large HRT FINANCIAL LP $223,126 0.47% 15,388 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $214,600 0.45% 14,800 View
Large Cetera Investment Advisers $174,000 0.36% 12,000 View
Large RENAISSANCE TECHNOLOGIES LLC $173,246 0.36% 11,948 View
Small THOMPSON DAVIS & CO., INC. $170,375 0.36% 11,750 View
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $160,007 0.33% 11,035 View
Large Walleye Capital LLC $157,180 0.33% 10,840 View
Mid Allworth Financial LP $71,992 0.15% 4,965 View
Mega BNP PARIBAS ARBITRAGE, SA $13,398 0.03% 924 View
Micro Fortitude Family Office, LLC $2,479 0.01% 171 View
Mid GROUP ONE TRADING LLC $1,450 0.00% 100 View
Micro GILL CAPITAL PARTNERS, LLC $188 0.00% 13 View
Mega FMR LLC $14 0.00% 1 View
Mid Western Wealth Management, LLC $14 0.00% 1 View
Mid Tower Research Capital LLC (TRC) $14 0.00% 1 View