Insight Molecular Diagnostics Inc.
Insight Molecular Diagnostics Inc. (IMDX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IMDX · as of Sep 30, 2025
Ownership Breakdown
27
Institutional Holders
▼ 3 vs Q2
$54.05M
Total Inst. Value
▲ $5.14M vs Q2
26.84M
Shares Outstanding
freeFloat 27.15%
16.28M
13F Shares Held
▲ 1.02M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IMDX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BROADWOOD CAPITAL INC in vitro & in vivo diagnostic substances | 11.41M | 35.62% | 35.62% | $37.88B | Nov 14, 2025 | — held |
AWM INVESTMENT COMPANY, INC. in vitro & in vivo diagnostic substances | 2.82M | 8.81% | 8.81% | $9.37B | Nov 13, 2025 | — held |
PURA VIDA INVESTMENTS, LLC in vitro & in vivo diagnostic substances | 947.1K | 2.96% | 2.96% | $3.14B | Nov 12, 2025 | ▲ 928.4K |
VANGUARD GROUP INC in vitro & in vivo diagnostic substances | 486.7K | 1.52% | 1.52% | $1.62B | Nov 7, 2025 | ▲ 3.0K |
GEODE CAPITAL MANAGEMENT, LLC in vitro & in vivo diagnostic substances | 198.5K | 61.95% | 61.95% | $658.94M | Nov 12, 2025 | ▲ 40.9K |
BLACKROCK, INC. in vitro & in vivo diagnostic substances | 88.0K | 27.46% | 27.46% | $292.00M | Nov 12, 2025 | ▲ 1.5K |
MILLENNIUM MANAGEMENT LLC in vitro & in vivo diagnostic substances | 73.3K | 22.88% | 22.88% | $243.33M | Nov 14, 2025 | ▲ 55.8K |
MORGAN STANLEY in vitro & in vivo diagnostic substances | 62.2K | 19.42% | 19.42% | $206.53M | May 27, 2026 | — held |
FNY INVESTMENT ADVISERS, LLC in vitro & in vivo diagnostic substances | 53.1K | 16.57% | 16.57% | $176.00M | Dec 15, 2025 | ▲ 28.4K |
STATE STREET CORP in vitro & in vivo diagnostic substances | 41.9K | 13.07% | 13.07% | $138.96M | Nov 14, 2025 | ▲ 22.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
8
Increased
+1.09M shares1
New Positions
first time holders7
Decreased
−39.1K shares4
Sold Out
fully exitedNet shares change (top 50)
+1.05M
+1.09M / −39.1K
Net new holders
-2
1 new / 4 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IMDX insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
12
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 27, 2026 | Purchase | 250,923 | $3.64 | $913.1K | 12.68M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 27, 2026 | Purchase | 0 | — | — | 12.68M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 24, 2026 | Purchase | 38,880 | $3.53 | $137.1K | 12.43M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 24, 2026 | Purchase | 0 | — | — | 12.43M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 23, 2026 | Purchase | 280,381 | $3.50 | $982.0K | 12.40M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 23, 2026 | Purchase | 0 | — | — | 12.40M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 20, 2026 | Purchase | 0 | — | — | 12.11M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 20, 2026 | Purchase | 40,690 | $3.88 | $158.0K | 12.11M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 17, 2026 | Purchase | 40,114 | $3.57 | $143.3K | 12.07M | Form 4 ↗ |
BROADWOOD PARTNERS, L.P. 10 percent owner | Apr 17, 2026 | Purchase | 0 | — | — | 12.07M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Insight Molecular Diagnostics Inc. (IMDX) is primarily owned by institutional investors, who hold approximately 60.7% of total shares outstanding. Company insiders own approximately 72.85%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Insight Molecular Diagnostics Inc. is BROADWOOD CAPITAL INC, holding approximately 11.41 million shares — equal to 35.62% of outstanding shares — as of September 30, 2025.
A total of 27 institutional investors currently hold IMDX stock, with a combined institutional value of approximately $54,051,121 as of the most recent 13F filing period.
Frequently asked questions
IMDX ownershipInsight Molecular Diagnostics Inc. (IMDX) is primarily owned by institutional investors, who hold approximately 60.7% of shares. The largest shareholder is BROADWOOD CAPITAL INC with a 35.62% stake. Company insiders hold 72.85%. Data sourced from SEC Form 13F as of September 30, 2025.