IMDX Institutional Ownership
Who owns Insight Molecular Diagnostics Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 40 funds reported holding IMDX at Jun 30, 2026, together owning 56.4% of the company.
- ●21 buying vs 21 selling
- ▼Held by funds -1.4 pts
- ▼Funds holding -1
- ▼Superinvestors: 0 added, 2 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 | 40 | 41 | −2.4% |
| In funds' top 10 | 2 | 2 | 0.0% |
| 13F shares | 18.5M | 18.9M | −2.5% |
| Held by funds | 56.4% | 57.9% | −1.4 pts |
| New positions | 11 | 14 | −21.4% |
| Increased | 10 | 11 | −9.1% |
| Reduced | 8 | 5 | +60.0% |
| Sold out | 13 | 7 | +85.7% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in IMDX
All superinvestors →Who owns IMDX
share of fund held shares- Index and passive funds7.7%
- Active managers and hedge funds90.9%
- Banks and brokers1.5%
- Pensions, insurers and other0.0%
The top 10 holders own 97.4% of all IMDX shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
6 funds changed their position- Family Office Research LLCAdded+281K sh
- FNY Investment Advisers, LLCAdded+60K sh
- Zevenbergen Capital Investments LLCNew+22K sh
- Transce3nd, LLCNew+1,000 sh
- Cassaday & Co Wealth Management LLCSold out−6 sh
🔒 Free account: see all 6.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Broadwood Capital Inc | 38.76% | 12.7M | $74.8M | +753K |
| 2 | AWM Investment Company, Inc. | 8.67% | 2.8M | $16.7M | +30K |
| 3 | Vanguard Capital Management LLC | 2.25% | 736K | $4.3M | +199K |
| 4 | Pura Vida Investments, LLC | 1.48% | 485K | $2.9M | −462K |
| 5 | Family Office Research LLC | 1.13% | 369K | $2.2M | +242K |
| 6 | Geode Capital Management, LLC | 0.79% | 257K | $1.5M | −5,150 |
| 7 | FNY Investment Advisers, LLC | 0.56% | 183K | $1.1M | −65K |
| 8 | Jane Street Group, LLC | 0.48% | 158K | $930K | +158K |
| 9 | BlackRock, Inc. | 0.46% | 151K | $888K | +15K |
| 10 | Vanguard Fiduciary Trust Co | 0.38% | 125K | $735K | −8,015 |
- Broadwood Capital Inc+753K sh+$4.4M
- Family Office Research LLC+242K sh+$1.4M
- Vanguard Capital Management LLC+199K sh+$1.2M
- Jane Street Group, LLC+158K sh+$930K
- State Street Corp+41K sh+$244K
- UBS Group AG+31K sh+$180K
- AWM Investment Company, Inc.+30K sh+$180K
- Jefferies Financial Group Inc.+18K sh+$107K
- Alyeska Investment Group, L.P.−841K sh−$2.8M
- Pura Vida Investments, LLC−462K sh−$2.7M
- Heights Capital Management, Inc−393K sh−$1.3M
- FNY Investment Advisers, LLC−65K sh−$383K
- Ghisallo Capital Management LLC−71K sh−$232K
- Susquehanna International Group, LLP−56K sh−$184K
- Millennium Management LLC−21K sh−$124K
- XTX Topco Ltd−20K sh−$116K
IMDX institutional ownership FAQ
Who owns the most IMDX stock?
In Q2 2026 13F filings the largest holder of IMDX was Broadwood Capital Inc, followed by AWM Investment Company, Inc. and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of IMDX is owned by institutions?
Funds that file 13F reports held 56.4% of IMDX's shares at Jun 30, 2026, compared with 57.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying IMDX?
In Q2 2026, 21 funds bought IMDX (11 of them new positions) and 21 sold (13 sold out completely). Among well known investors, 0 added and 2 cut. Our fund sentiment for IMDX is bearish.
What is IMDX's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this IMDX 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.

