Who owns BIODESIX INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BDSX from SEC Form 13F filings across 44 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, 44 institutions disclosed 4.1M shares of BIODESIX INC worth $92.1M — about 39.6% of shares outstanding; the largest disclosed holder is AIGH Capital Management LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
44
13F holders
$92.1M
value, 2026 filers
39.6%
of shares outstanding (4.1M sh)
11
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 | Soleus Capital Management, L.P. | 585,958 | $13.2M | 0.5% | 5.7% | +40.7% |
| 3 | Telemark Asset Management, LLC | 489,824 | $11.0M | 0.8% | 4.8% | 0.0% |
| 4 | Aberdeen Group plc | 388,639 | $8.8M | 0.0% | 3.8% | -15.2% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 284,169 | $6.4M | 0.0% | 2.8% | +11.4% |
| 6 | ESSEX INVESTMENT MANAGEMENT CO LLC | 241,915 | $5.5M | 0.7% | 2.3% | +83.1% |
| 7 | Opaleye Management Inc. | 180,000 | $4.1M | 0.4% | 1.7% | -24.4% |
| 8 | MARSHALL WACE, LLP | 116,199 | $2.6M | 0.0% | 1.1% | -18.0% |
| 9 | PERCEPTIVE ADVISORS LLCNEW | 108,694 | $2.5M | 0.0% | 1.1% | new |
| 10 | JANE STREET GROUP, LLC | 91,506 | $2.1M | 0.0% | 0.9% | +238.5% |
| 11 | TWO SIGMA INVESTMENTS, LP | 86,824 | $2.0M | 0.0% | 0.8% | +92.0% |
| 12 | Legato Capital Management LLCNEW | 81,381 | $1.8M | 0.2% | 0.8% | new |
| 13 | Walleye Capital LLC | 74,447 | $1.7M | 0.0% | 0.7% | +586.8% |
| 14 | STEMPOINT CAPITAL LP | 70,000 | $1.6M | 0.3% | 0.7% | 0.0% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 67,657 | $1.5M | 0.0% | 0.7% | +35.3% |
| 16 | Trexquant Investment LP | 57,972 | $1.3M | 0.0% | 0.6% | -16.7% |
| 17 | GSA CAPITAL PARTNERS LLP | 46,989 | $1.1M | 0.1% | 0.5% | +19.2% |
| 18 | PERKINS CAPITAL MANAGEMENT INC | 44,618 | $1.0M | 0.8% | 0.4% | -0.4% |
| 19 | BlackRock, Inc. | 43,026 | $970,236 | 0.0% | 0.4% | +75.9% |
| 20 | BLAIR WILLIAM & CO/IL | 41,548 | $936,907 | 0.0% | 0.4% | +50.6% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 39,959 | $901,075 | 0.0% | 0.4% | +39.4% |
| 22 | SEI INVESTMENTS CO | 37,295 | $841,002 | 0.0% | 0.4% | -13.3% |
| 23 | UBS Group AG | 29,908 | $674,426 | 0.0% | 0.3% | -18.7% |
| 24 | RENAISSANCE TECHNOLOGIES LLC | 28,648 | $646,012 | 0.0% | 0.3% | +139.8% |
| 25 | BANK OF AMERICA CORP /DE/NEW | 26,738 | $602,942 | 0.0% | 0.3% | new |
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.