Who owns BIODESIX INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of BDSX from SEC Form 13F filings across 28 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 28 institutions disclosed 2.1M shares of BIODESIX INC worth $46.6M — about 20.1% of shares outstanding; the largest disclosed holder is AIGH Capital Management LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
28
13F holders
$46.6M
value, 2026 filers
20.1%
of shares outstanding (2.1M sh)
7
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of BDSX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | AIGH Capital Management LLC | 678,328 | $15.3M | 1.0% | 6.6% | -10.5% |
| 2 | Aberdeen Group plc | 388,639 | $8.8M | 0.0% | 3.8% | -15.2% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 284,169 | $6.4M | 0.0% | 2.8% | -44.3% |
| 4 | MARSHALL WACE, LLP | 116,199 | $2.6M | 0.0% | 1.1% | -18.0% |
| 5 | JANE STREET GROUP, LLC | 91,506 | $2.1M | 0.0% | 0.9% | +238.5% |
| 6 | TWO SIGMA INVESTMENTS, LP | 86,824 | $2.0M | 0.0% | 0.8% | +92.0% |
| 7 | Walleye Capital LLC | 74,447 | $1.7M | 0.0% | 0.7% | +243.4% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 67,657 | $1.5M | 0.0% | 0.7% | +35.3% |
| 9 | BlackRock, Inc. | 43,026 | $970,236 | 0.0% | 0.4% | +75.9% |
| 10 | BLAIR WILLIAM & CO/IL | 41,548 | $936,907 | 0.0% | 0.4% | +50.6% |
| 11 | VANGUARD FIDUCIARY TRUST CO | 39,959 | $901,075 | 0.0% | 0.4% | +39.4% |
| 12 | SEI INVESTMENTS CO | 37,295 | $841,002 | 0.0% | 0.4% | -13.3% |
| 13 | UBS Group AG | 29,908 | $674,426 | 0.0% | 0.3% | -18.7% |
| 14 | BANK OF AMERICA CORP /DE/NEW | 26,738 | $602,942 | 0.0% | 0.3% | new |
| 15 | Squarepoint Ops LLCNEW | 15,709 | $354,238 | 0.0% | 0.2% | new |
| 16 | MILLENNIUM MANAGEMENT LLC | 14,404 | $324,810 | 0.0% | 0.1% | -40.0% |
| 17 | NORTHERN TRUST CORPNEW | 13,859 | $312,520 | 0.0% | 0.1% | new |
| 18 | THOMPSON DAVIS & CO., INC. | 11,350 | $255,943 | 0.2% | 0.1% | -3.4% |
| 19 | Allworth Financial LP | 4,965 | $111,961 | 0.0% | 0% | 0.0% |
| 20 | Vanguard Global Advisers, LLC | 1,054 | $23,768 | 0.0% | 0% | 0.0% |
| 21 | BARCLAYS PLCNEW | 313 | $7,058 | 0.0% | 0% | new |
| 22 | Fortitude Family Office, LLC | 171 | $3,856 | 0.0% | 0% | 0.0% |
| 23 | BNP PARIBAS FINANCIAL MARKETS | 118 | $2,661 | 0.0% | 0% | -87.2% |
| 24 | FMR LLC | 95 | $2,147 | 0.0% | 0% | +9400.0% |
| 25 | MORGAN STANLEY | 61 | $1,376 | 0.0% | 0% | -99.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.