BDSX
Biodesix Inc
$21.42
-0.73 (-3.30%)
At close · Jul 10
Market Cap
$216.53M
Shares
10,108,580
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.
Holders: 41
Total Value: $63,633,196
Total Shares: 4,388,497
Institutional Ownership Trend
3 quarters
Holder Concentration
Across 40 13F filers · Δ vs Dec 31, 2025Top Holder
20.9%
−3.3 pts
Top 5
65.5%
−8.5 pts
Top 10
83.5%
−6.3 pts
HHI
1,053
Broadly held−309
Quarterly Activity
vs Dec 31, 2025
New
25
Increased
6
Decreased
3
Sold Out
10
Unchanged
7
Holder count:
+15
Institutional value:
+456.1%
Shares held:
+160.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large Aberdeen Group plc | +196,013 | 458,438 | |
| Large Trexquant Investment LP | +42,059 | 69,601 | |
| Mega MORGAN STANLEY | +32,331 | 32,392 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +25,390 | 37,890 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +7,545 | 49,998 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid Telemark Asset Management, LLC | −165,824 | 489,824 | |
| 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) | Open |
|---|---|---|---|
| — Orin Hirschman | 758,328 | $10,995,756 | |
| Small AIGH Capital Management LLC | 758,328 | $10,995,756 | |
| Mid Soleus Capital Management, L.P. | 416,599 | $6,040,685 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 255,161 | $3,699,834 | |
| Small Opaleye Management Inc. | 238,047 | $3,451,681 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 192,138 | $1,306,538 | |
| 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 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| — Orin Hirschman | $10,995,756 | 17.28% | 758,328 | Shares | Sole | 2026-04-28 | ||||
| Small AIGH Capital Management LLC | $10,995,756 | 17.28% | 758,328 | Shares | Other | 2026-04-30 | ||||
| Mid Telemark Asset Management, LLC | $7,102,448 | 11.16% | 489,824 | Shares | Sole | 2026-05-12 | ||||
| Large Aberdeen Group plc | $6,647,351 | 10.45% | 458,438 | Shares | Defined | 2026-04-29 | ||||
| Mid Soleus Capital Management, L.P. | $6,040,685 | 9.49% | 416,599 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $3,699,834 | 5.81% | 255,161 | Shares | Defined | 2026-05-15 | ||||
| Small Opaleye Management Inc. | $3,451,681 | 5.42% | 238,047 | Shares | Sole | 2026-05-15 | ||||
| Large MARSHALL WACE, LLP | $2,053,721 | 3.23% | 141,636 | Shares | Other | 2026-05-15 | ||||
| Small ESSEX INVESTMENT MANAGEMENT CO LLC | $1,915,247 | 3.01% | 132,086 | Shares | Sole | 2026-05-11 | ||||
| Small STEMPOINT CAPITAL LP | $1,015,058 | 1.60% | 70,004 | Shares | Sole | 2026-05-18 | ||||
| Large Trexquant Investment LP | $1,009,214 | 1.59% | 69,601 | Shares | Sole | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $724,970 | 1.14% | 49,998 | Shares | Defined | 2026-05-15 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $655,849 | 1.03% | 45,231 | Shares | Sole | 2026-05-15 | ||||
| Small PERKINS CAPITAL MANAGEMENT INC | $649,353 | 1.02% | 44,783 | Shares | Sole | 2026-04-23 | ||||
| Large SEI INVESTMENTS CO | $623,848 | 0.98% | 43,024 | Shares | Sole | 2026-05-13 | ||||
| Mid Legato Capital Management LLC | $597,023 | 0.94% | 41,174 | Shares | Other | 2026-05-14 | ||||
| Mid GSA CAPITAL PARTNERS LLP | $571,387 | 0.90% | 39,406 | Shares | Sole | 2026-05-08 | ||||
| Mega UBS Group AG | $533,715 | 0.84% | 36,808 | Shares | Defined | 2026-05-05 | ||||
| Mega MORGAN STANLEY | $469,684 | 0.74% | 32,392 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $415,570 | 0.65% | 28,660 | Shares | Defined | 2026-05-08 | ||||
| Large BLAIR WILLIAM & CO/IL | $399,953 | 0.63% | 27,583 | Shares | Sole | 2026-05-08 | ||||
| Mega JANE STREET GROUP, LLC | $391,949 | 0.62% | 27,031 | Shares | Defined | 2026-05-12 | ||||
| Mega BlackRock, Inc. | $354,757 | 0.56% | 24,466 | Shares | Sole | 2026-05-13 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $348,087 | 0.55% | 24,006 | Shares | Sole | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $334,805 | 0.53% | 23,090 | Shares | Other | 2026-05-15 | ||||
| Mega STATE STREET CORP | $258,129 | 0.41% | 17,802 | Shares | Defined | 2026-05-15 | ||||
| Large HRT FINANCIAL LP | $223,126 | 0.35% | 15,388 | Shares | Defined | 2026-05-14 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $214,600 | 0.34% | 14,800 | Call | Other | 2026-05-15 | ||||
| Large Cetera Investment Advisers | $174,000 | 0.27% | 12,000 | Shares | Sole | 2026-05-13 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $173,246 | 0.27% | 11,948 | Shares | Sole | 2026-05-14 | ||||
| Small THOMPSON DAVIS & CO., INC. | $170,375 | 0.27% | 11,750 | Shares | Sole | 2026-04-16 | ||||
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $160,007 | 0.25% | 11,035 | Shares | Sole | 2026-05-15 | ||||
| Large Walleye Capital LLC | $157,180 | 0.25% | 10,840 | Shares | Sole | 2026-05-13 | ||||
| Mid Allworth Financial LP | $71,992 | 0.11% | 4,965 | Shares | Sole | 2026-05-15 | ||||
| Mega Vanguard Global Advisers, LLC | $15,283 | 0.02% | 1,054 | Shares | Defined | 2026-05-08 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $13,398 | 0.02% | 924 | Shares | Defined | 2026-05-12 | ||||
| Micro Fortitude Family Office, LLC Family Office | $2,479 | 0.00% | 171 | Shares | Sole | 2026-04-16 | ||||
| Mid GROUP ONE TRADING LLC | $1,450 | 0.00% | 100 | Shares | Sole | 2026-05-13 | ||||
| Micro GILL CAPITAL PARTNERS, LLC | $188 | 0.00% | 13 | Shares | Sole | 2026-04-13 | ||||
| Mid Tower Research Capital LLC (TRC) | $14 | 0.00% | 1 | Shares | Other | 2026-05-15 | ||||
| Mid Western Wealth Management, LLC | $14 | 0.00% | 1 | Shares | Sole | 2026-05-19 | ||||
| Mega FMR LLC | $14 | 0.00% | 1 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||