Pro-Dex, Inc. (PDEX) Ownership
PDEX ownership summary
as of October 18, 2026- Institutions
- 31.9% of shares outstanding
- Insiders
- 36.03% of shares outstanding
- Shares outstanding
- 3.2M
- Float
- 1.5M shares available to trade
- Short interest
- 26.29% 199K shares short
- Days to cover
- 2.54 short interest down 5.0% vs prior month
- Institutions 31.92%
- Insiders 36.03%
- Other investors 32.05%
PDEX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 4.74% | 153K | $8.9M | +663 (+0.4%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 2.54% | 82K | $4.8M | −29,047 (−26.1%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 1.76% | 57K | $3.3M | +120 (+0.2%) | June 30, 2026 |
| 4 | Punch & Associates Inv Mgmt Inc | 1.63% | 53K | $3.1M | −9,000 (−14.6%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 1.54% | 50K | $2.9M | +1,289 (+2.7%) | June 30, 2026 |
| 6 | JPMorgan Chase & Co | 1.00% | 32K | $1.9M | +251 (+0.8%) | June 30, 2026 |
| 7 | State Street Corp | 0.97% | 31K | $1.8M | −1,804 (−5.4%) | June 30, 2026 |
| 8 | The Goldman Sachs Group Inc | 0.58% | 19K | $1.1M | +8,570 (+84.5%) | June 30, 2026 |
| 9 | Ellsworth Advisors, LLC | 0.52% | 17K | $984,827 | +16,904 (0.0%) | September 30, 2026 |
| 10 | Appleseed Capital | 0.51% | 16K | $961,290 | +16,500 (0.0%) | June 30, 2026 |
| 11 | BNP Paribas Arbitrage, SA | 0.49% | 16K | $928,956 | +2,711 (+20.5%) | June 30, 2026 |
| 12 | Northern Trust Corp | 0.48% | 16K | $909,730 | −31,076 (−66.6%) | June 30, 2026 |
| 13 | Vanguard Portfolio Management, LLC | 0.44% | 14K | $834,982 | +1,895 (+15.2%) | June 30, 2026 |
| 14 | LPL Financial Corp | 0.44% | 14K | $832,943 | +1,237 (+9.5%) | June 30, 2026 |
| 15 | Jane Street Group LLC | 0.42% | 14K | $794,550 | +13,638 (0.0%) | June 30, 2026 |
| 16 | Vanguard Fiduciary Trust Co | 0.41% | 13K | $774,858 | +232 (+1.8%) | June 30, 2026 |
| 17 | Bank of New York Mellon Corp | 0.36% | 12K | $675,059 | +528 (+4.8%) | June 30, 2026 |
| 18 | Corsair Capital Management LLC | 0.34% | 11K | $631,247 | — | June 30, 2026 |
| 19 | Bard Associates Inc | 0.30% | 9,799 | $570,890 | −767 (−7.3%) | June 30, 2026 |
| 20 | HRT FINANCIAL LLC | 0.29% | 9,514 | $554,286 | +9,514 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 74K shares and 5 cut 72K.
PDEX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Russell 2000 ETF | 1.79% | 58K | $3.4M | −640 (−1.1%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 1.73% | 56K | $3.3M | — | August 31, 2026 |
| 3 | Fidelity Small Cap Index | 0.70% | 23K | $1.3M | +192 (+0.9%) | July 31, 2026 |
| 4 | DFA US Small Cap I | 0.68% | 22K | $1.3M | — | August 31, 2026 |
| 5 | iShares Russell 2000 Growth ETF | 0.58% | 19K | $1.1M | −24 (−0.1%) | September 30, 2026 |
| 6 | Vanguard Russell 2000 ETF | 0.37% | 12K | $699,120 | +121 (+1.0%) | September 30, 2026 |
| 7 | Fidelity Extended Market Index | 0.28% | 9,129 | $531,856 | +397 (+4.5%) | August 31, 2026 |
| 8 | Dimensional US Small Cap ETF | 0.27% | 8,819 | $513,795 | — | September 30, 2026 |
| 9 | First Trust Dow Jones Sel MicroCap ETF | 0.23% | 7,487 | $436,193 | — | September 30, 2026 |
| 10 | GS US Sm Cp CORE Eq Base Inc USD Snap | 0.23% | 7,317 | $426,288 | −1,093 (−13.0%) | July 31, 2026 |
| 11 | iShares Micro-Cap ETF | 0.20% | 6,470 | $376,942 | −45 (−0.7%) | September 30, 2026 |
| 12 | Schwab Small Cap Index | 0.16% | 5,165 | $300,913 | — | August 31, 2026 |
| 13 | DFA US Core Equity 1 I | 0.16% | 5,042 | $293,747 | — | August 31, 2026 |
| 14 | DFA US Core Equity 2 I | 0.15% | 4,857 | $282,969 | — | August 31, 2026 |
| 15 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.13% | 4,181 | $243,585 | −304 (−6.8%) | September 30, 2026 |
| 16 | Fidelity Total Market Index | 0.13% | 4,061 | $236,594 | — | August 31, 2026 |
| 17 | DFA US Micro Cap I | 0.12% | 3,940 | $229,544 | +360 (+10.1%) | August 31, 2026 |
| 18 | iShares Russell 2000 Small-Cap Idx Instl | 0.11% | 3,665 | $213,523 | — | August 31, 2026 |
| 19 | Hartford Multifactor Small Cap ETF | 0.10% | 3,200 | $186,432 | — | September 30, 2026 |
| 20 | Russell Inv US Small Cap Equity Y | 0.10% | 3,119 | $181,713 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PDEX insider transactions
latest 17| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-03-31 | Raymond E Cabillot | Sell | $50.00 | 836 | $41,800 |
| 2025-03-28 | Raymond E Cabillot | Sell | $50.00 | 842 | $42,100 |
| 2025-03-26 | Raymond E Cabillot | Sell | $50.13 | 3,096 | $155,202 |
| 2025-03-24 | Raymond E Cabillot | Sell | $50.00 | 2,784 | $139,200 |
| 2025-03-19 | Raymond E Cabillot | Sell | $50.00 | 1,000 | $50,000 |
| 2025-03-14 | Raymond E Cabillot | Sell | $50.00 | 5,151 | $257,550 |
| 2025-03-10 | Raymond E Cabillot | Sell | $45.00 | 7,674 | $345,330 |
| 2025-01-30 | Raymond E Cabillot | Sell | $45.01 | 1,100 | $49,511 |
| 2025-01-28 | Raymond E Cabillot | Sell | $41.64 | 5,381 | $224,065 |
| 2025-01-23 | Raymond E Cabillot | Sell | $42.00 | 835 | $35,070 |
| 2025-01-21 | Raymond E Cabillot | Sell | $45.22 | 6,931 | $313,420 |
| 2025-01-17 | Raymond E Cabillot | Sell | $44.86 | 6,820 | $305,945 |
| 2025-01-15 | Raymond E Cabillot | Sell | $45.18 | 1,879 | $84,893 |
| 2025-01-13 | Raymond E Cabillot | Sell | $46.66 | 3,624 | $169,096 |
| 2025-01-10 | Raymond E Cabillot | Sell | $47.76 | 1,200 | $57,312 |
| 2024-11-07 | Alisha Charlton | Sell | $40.02 | 1,000 | $40,020 |
| 2024-06-24 | Angelita Rebamontan Domingo | Sell | $18.30 | 2,585 | $47,306 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
PDEX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PDEX
Institutional investors own 31.9% of Pro-Dex's shares and insiders 36.03%. The largest holder is BlackRock Inc with 4.74% of the shares (153K), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 5 reduced their stake in the latest filings. Short interest is 26.29% of the float, or 2.54 days of average trading volume. The share count fell 20.8% since 2014.
Related: PDEX analyst forecast, PDEX key metrics. See the PDEX stock overview for the latest quote and news.
PDEX ownership FAQ
Who owns the most Pro-Dex stock?
The largest shareholders of Pro-Dex are BlackRock Inc (4.74%), Vanguard Capital Management, LLC (2.54%), Dimensional Fund Advisors, Inc. (1.76%), Punch & Associates Inv Mgmt Inc (1.63%), Geode Capital Management, LLC (1.54%).
What percentage of Pro-Dex is owned by institutions?
Institutions hold 31.9% of Pro-Dex's shares outstanding; insiders hold 36.03%.
Which funds own Pro-Dex?
The largest fund holders of Pro-Dex are iShares Russell 2000 ETF (1.79%), Vanguard MStar Total Stk Mkt Idx Invest (1.73%), Fidelity Small Cap Index (0.70%), DFA US Small Cap I (0.68%), iShares Russell 2000 Growth ETF (0.58%).
What is Pro-Dex's short interest?
199K shares of Pro-Dex were sold short, 26.29% of the float; at the average daily volume it would take 2.54 days to cover.
Are insiders buying or selling Pro-Dex?
Of the latest 17 reported insider transactions in Pro-Dex (since June 24, 2024), 0 were purchases and 17 were sales.
How many shares of Pro-Dex are outstanding?
Pro-Dex has 3.2M shares outstanding, of which 1.5M are in the public float.