Pro-Dex, Inc.
Pro-Dex, Inc. (PDEX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PDEX · as of Sep 30, 2025
Ownership Breakdown
57
Institutional Holders
▲ 6 vs Q2
$25.67M
Total Inst. Value
▼ $8.14M vs Q2
3.19M
Shares Outstanding
freeFloat 63.19%
757,335
13F Shares Held
▼ 17,595 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
PDEX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. surgical & medical instruments & apparatus | 155.9K | 4.78% | 4.78% | $5.28B | Nov 12, 2025 | ▲ 6.1K |
VANGUARD GROUP INC surgical & medical instruments & apparatus | 146.1K | 4.48% | 4.48% | $4.95B | Nov 7, 2025 | ▼ 25 |
DIMENSIONAL FUND ADVISORS LP surgical & medical instruments & apparatus | 62.5K | 1.92% | 1.92% | $2.12B | Nov 12, 2025 | — held |
GEODE CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 49.5K | 1.52% | 1.52% | $1.68B | Nov 12, 2025 | ▼ 2.2K |
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. surgical & medical instruments & apparatus | 48.6K | 1.49% | 1.49% | $1.65B | Nov 14, 2025 | ▲ 14.4K |
NORTHERN TRUST CORP surgical & medical instruments & apparatus | 47.8K | 1.47% | 1.47% | $1.62B | Nov 14, 2025 | ▼ 6.0K |
JPMORGAN CHASE & CO surgical & medical instruments & apparatus | 34.4K | 1.06% | 1.06% | $1.17B | Nov 26, 2025 | ▼ 1.5K |
STATE STREET CORP surgical & medical instruments & apparatus | 31.8K | 97.37% | 97.37% | $1.07B | Nov 14, 2025 | ▲ 5.0K |
D.A. DAVIDSON & CO. surgical & medical instruments & apparatus | 26.1K | 79.95% | 79.95% | $882.57M | Oct 22, 2025 | ▲ 15.7K |
O'SHAUGHNESSY ASSET MANAGEMENT, LLC surgical & medical instruments & apparatus | 23.3K | 71.40% | 71.40% | $788.16M | Nov 13, 2025 | ▼ 9.2K |
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
14
Increased
+55.3K shares9
New Positions
first time holders17
Decreased
−37.0K shares0
Sold Out
fully exitedNet shares change (top 50)
+18.3K
+55.3K / −37.0K
Net new holders
+6
9 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
PDEX insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
1
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 |
|---|---|---|---|---|---|---|---|
Van Kirk Richard Lee Jr Chief Executive Officer | May 21, 2026 | Sale | 1,918 | $62.22 | $119.3K | 97.8K | Form 4 ↗ |
Van Kirk Richard Lee Jr Chief Executive Officer | May 21, 2026 | Sale | 3,404 | $62.96 | $214.3K | 94.4K | Form 4 ↗ |
Van Kirk Richard Lee Jr Chief Executive Officer | May 21, 2026 | Sale | 550 | $63.92 | $35.2K | 93.8K | Form 4 ↗ |
Van Kirk Richard Lee Jr Chief Executive Officer | May 22, 2026 | Sale | 2,824 | $62.09 | $175.3K | 91.0K | Form 4 ↗ |
Van Kirk Richard Lee Jr Chief Executive Officer | May 22, 2026 | Sale | 1,254 | $62.93 | $78.9K | 89.8K | Form 4 ↗ |
Van Kirk Richard Lee Jr Chief Executive Officer | May 22, 2026 | Sale | 50 | $63.63 | $3.2K | 89.7K | Form 4 ↗ |
Domingo Angelita Rebamontan director | Jan 22, 2026 | Award | 18 | $34.36 | $618.48 | 15.5K | Form 4 ↗ |
Philp Katrina Marie Kramer director | Nov 21, 2025 | Award | 2,200 | $32.70 | $71.9K | 16.9K | Form 4 ↗ |
Philp Katrina Marie Kramer director | Nov 21, 2025 | Award | 900 | $32.73 | $29.5K | 2.9K | Form 4 ↗ |
Van Kirk Richard Lee Jr Chief Executive Officer | Nov 20, 2025 | Tax Withhold | 72 | $30.83 | $2.2K | 99.7K | 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
Pro-Dex, Inc. (PDEX) is primarily owned by institutional investors, who hold approximately 23.7% of total shares outstanding. Company insiders own approximately 36.81%, while retail and public investors account for the remaining 39.47%.
The largest institutional shareholder of Pro-Dex, Inc. is BLACKROCK, INC., holding approximately 155,876 shares — equal to 4.78% of outstanding shares — as of September 30, 2025.
A total of 57 institutional investors currently hold PDEX stock, with a combined institutional value of approximately $25,674,657 as of the most recent 13F filing period.
Frequently asked questions
PDEX ownershipPro-Dex, Inc. (PDEX) is primarily owned by institutional investors, who hold approximately 23.7% of shares. The largest shareholder is BLACKROCK, INC. with a 4.78% stake. Company insiders hold 36.81%. Data sourced from SEC Form 13F as of September 30, 2025.