BDSX Institutional Ownership
Who owns Biodesix Inc and what the big funds did with it last quarter, from every SEC 13F filing. 45 funds reported holding BDSX at Jun 30, 2026, together owning 41.4% of the company.
- ▲25 buying vs 18 selling
- ▲Held by funds +3.8 pts
- ▲Funds holding +5
- ●Superinvestors: 1 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 45 | 40 | +12.5% |
| In funds' top 10 | 1 | 0 | – |
| 13F shares | 4.4M | 4M | +10.0% |
| Held by funds | 41.4% | 37.6% | +3.8 pts |
| New positions | 10 | 21 | −52.4% |
| Increased | 15 | 6 | +150.0% |
| Reduced | 13 | 2 | +550.0% |
| Sold out | 5 | 9 | −44.4% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in BDSX
All superinvestors →
Who owns BDSX
share of fund held shares- Index and passive funds10.7%
- Active managers and hedge funds85.9%
- Banks and brokers3.4%
- Pensions, insurers and other0.0%
The top 10 holders own 76.9% of all BDSX shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
5 funds changed their position- Perkins Capital Management IncAdded+17K sh
- AIGH Capital Management LLCAdded+7,693 sh
- Essex Investment Management Co LLCTrimmed−7,373 sh
- Gill Capital Partners, LLCSold out−13 sh
- Caitong International Asset Management Co., LtdNew+4 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | AIGH Capital Management LLC | 6.43% | 678K | $15.3M | −80K |
| 2 | Soleus Capital Management, L.P. | 5.55% | 586K | $13.2M | +169K |
| 3 | Telemark Asset Management, LLC | 4.64% | 490K | $11M | 0 |
| 4 | Aberdeen Group plc | 3.68% | 389K | $8.8M | −70K |
| 5 | Birchview Capital, LP | 2.72% | 287K | $6.5M | 0 |
| 6 | Vanguard Capital Management LLC | 2.69% | 284K | $6.4M | +29K |
| 7 | Essex Investment Management Co LLC | 2.29% | 242K | $5.5M | +110K |
| 8 | Opaleye Management Inc. | 1.71% | 180K | $4.1M | −58K |
| 9 | Marshall Wace, LLP | 1.10% | 116K | $2.6M | −25K |
| 10 | Perceptive Advisors LLC | 1.03% | 109K | $2.5M | +109K |
- Soleus Capital Management, L.P.+169K sh+$3.8M
- Essex Investment Management Co LLC+110K sh+$2.5M
- Perceptive Advisors LLC+109K sh+$2.5M
- Jane Street Group, LLC+64K sh+$1.5M
- Walleye Capital LLC+64K sh+$1.4M
- Two Sigma Investments, LP+42K sh+$938K
- Legato Capital Management LLC+40K sh+$907K
- Vanguard Capital Management LLC+29K sh+$654K
- AIGH Capital Management LLC−80K sh−$1.8M
- Stempoint Capital LP−70K sh−$1.6M
- Aberdeen Group plc−70K sh−$1.6M
- Opaleye Management Inc.−58K sh−$1.3M
- Morgan Stanley−32K sh−$729K
- Marshall Wace, LLP−25K sh−$574K
- Susquehanna International Group, LLP−23K sh−$335K
- Trexquant Investment LP−12K sh−$262K
BDSX institutional ownership FAQ
Who owns the most BDSX stock?
In Q2 2026 13F filings the largest holder of BDSX was AIGH Capital Management LLC, followed by Soleus Capital Management, L.P. and Telemark Asset Management, LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of BDSX is owned by institutions?
Funds that file 13F reports held 41.4% of BDSX's shares at Jun 30, 2026, compared with 37.6% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying BDSX?
In Q2 2026, 25 funds bought BDSX (10 of them new positions) and 18 sold (5 sold out completely). Among well known investors, 1 added and 1 cut. Our fund sentiment for BDSX is bullish.
What is BDSX's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this BDSX ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.