PRO-DEX INC (PDEX) Top Institutional Shareholders
PRO-DEX INC (PDEX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $35.14M in PDEX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of PDEX tracked by InsiderSet, reporting ownership valued at approximately $7.49M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $9.22M, representing an estimated gain of +23.09% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 77% of the total disclosed PDEX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, Punch & Associates Investment Management, Inc., and several other long-term asset managers with concentrated positions in PRO-DEX INC (PDEX).
This page ranks the largest institutional PDEX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
56
Total Reported Value
$35.14M
Largest Holder
Blackrock, Inc.
Largest Position
$7.49M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
64
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 152,515 | $7,491,538 | $9,221,057 | +$1,729,519 | +23.09% | |
| Vanguard Capital Management Llc | 0.00% | 111,330 | $5,468,530 | $6,731,012 | +$1,262,482 | +23.09% | |
| Punch & Associates Investment Management, Inc. | 0.17% | 61,735 | $3,032,423 | $3,732,498 | +$700,075 | +23.09% | |
| Dimensional Fund Advisors Lp | 0.00% | 56,941 | $2,796,504 | $3,442,653 | +$646,149 | +23.11% | |
| Geode Capital Management, Llc | 0.00% | 48,347 | $2,375,207 | $2,923,060 | +$547,853 | +23.07% | |
| Northern Trust Corp | 0.00% | 46,691 | $2,293,462 | $2,822,938 | +$529,476 | +23.09% | |
| State Street Corp | 0.00% | 33,114 | $1,626,560 | $2,002,072 | +$375,512 | +23.09% | |
| Quadrature Capital Ltd | 0.01% | 14,986 | $736,112 | $906,054 | +$169,942 | +23.09% | |
| Morgan Stanley | 0.00% | 14,213 | $698,150 | $859,318 | +$161,168 | +23.09% | |
| Bnp Paribas Financial Markets | 0.00% | 13,234 | $650,054 | $800,128 | +$150,074 | +23.09% | |
| Vanguard Fiduciary Trust Co | 0.00% | 13,068 | $641,900 | $790,091 | +$148,191 | +23.09% | |
| Lpl Financial Llc | 0.00% | 13,060 | $641,507 | $789,608 | +$148,101 | +23.09% | |
| Vanguard Portfolio Management Llc | 0.00% | 12,437 | $610,905 | $751,941 | +$141,036 | +23.09% | |
| Osaic Holdings, Inc. | 0.00% | 11,574 | $568,511 | $699,764 | +$131,253 | +23.09% | |
| Bank Of New York Mellon Corp | 0.00% | 11,059 | $543,219 | $668,627 | +$125,408 | +23.09% | |
| Ubs Group Ag | 0.00% | 10,861 | $533,492 | $656,656 | +$123,164 | +23.09% | |
| Corsair Capital Management, L.P. | 0.08% | 10,835 | $532,215 | $655,084 | +$122,869 | +23.09% | |
| Bard Associates Inc | 0.13% | 10,566 | $519,002 | $638,820 | +$119,818 | +23.09% | |
| Goldman Sachs Group Inc | 0.00% | 10,141 | $498,126 | $613,125 | +$114,999 | +23.09% | |
| Citadel Advisors Llc | 0.00% | 8,986 | $441,392 | $543,294 | +$101,902 | +23.09% | |
| Charles Schwab Investment Management Inc | 0.00% | 6,493 | $318,936 | $392,567 | +$73,631 | +23.09% | |
| O'Shaughnessy Asset Management, Llc | 0.00% | 6,326 | $310,733 | $382,470 | +$71,737 | +23.09% | |
| Morgan Dempsey Capital Management Llc | 0.13% | 5,808 | $285,661 | $351,152 | +$65,491 | +22.93% | |
| First Trust Advisors Lp | 0.00% | 5,709 | $280,426 | $345,166 | +$64,740 | +23.09% | |
| Ritholtz Wealth Management | 0.00% | 5,404 | $265,444 | $326,726 | +$61,282 | +23.09% | |
| Nuveen, Llc | 0.00% | 4,997 | $245,453 | $302,119 | +$56,666 | +23.09% | |
| Citigroup Inc | 0.00% | 2,403 | $118,036 | $145,285 | +$27,249 | +23.09% | |
| New York State Common Retirement Fund | 0.00% | 1,900 | $93,328 | $114,874 | +$21,546 | +23.09% | |
| Deutsche Bank Ag\ | 0.00% | 1,814 | $89,104 | $109,674 | +$20,570 | +23.09% | |
| Royal Bank Of Canada | 0.00% | 1,442 | $71,000 | $87,183 | +$16,183 | +22.79% | |
| Rhumbline Advisers | 0.00% | 1,405 | $69,009 | $84,946 | +$15,937 | +23.09% | |
| Vanguard Global Advisers, Llc | 0.00% | 1,024 | $50,299 | $61,911 | +$11,612 | +23.09% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.00% | 996 | $48,924 | $60,218 | +$11,294 | +23.09% | |
| Wells Fargo & Company/Mn | 0.00% | 756 | $37,135 | $45,708 | +$8,573 | +23.09% | |
| Police & Firemen'S Retirement System Of New Jersey | 0.00% | 637 | $31,289 | $38,513 | +$7,224 | +23.09% | |
| Tower Research Capital Llc (Trc) | 0.00% | 624 | $30,651 | $37,727 | +$7,076 | +23.09% | |
| Barclays Plc | 0.00% | 324 | $15,915 | $19,589 | +$3,674 | +23.09% | |
| Russell Investments Group, Ltd. | 0.00% | 280 | $13,754 | $16,929 | +$3,175 | +23.08% | |
| Fmr Llc | 0.00% | 242 | $11,887 | $14,631 | +$2,744 | +23.09% | |
| Ameritas Investment Partners, Inc. | 0.00% | 216 | $10,610 | $13,059 | +$2,449 | +23.09% | |
| Harbour Investments, Inc. | 0.00% | 200 | $9,824 | $12,092 | +$2,268 | +23.09% | |
| Legal & General Group Plc | 0.00% | 192 | $9,431 | $11,608 | +$2,177 | +23.09% | |
| Farther Finance Advisors, Llc | 0.00% | 151 | $7,699 | $9,129 | +$1,430 | +18.58% | |
| Ascentis Independent Advisors | 0.00% | 120 | $5,894 | $7,255 | +$1,361 | +23.09% | |
| Cwm, Llc | 0.00% | 63 | $3,095 | $3,809 | +$714 | +23.07% | |
| Hurley Capital, Llc | 0.00% | 60 | $2,947 | $3,628 | +$681 | +23.09% | |
| Gamma Investing Llc | 0.00% | 18 | $884 | $1,088 | +$204 | +23.11% | |
| Sterling Capital Management Llc | 0.00% | 13 | $639 | $786 | +$147 | +23.00% | |
| Eversource Wealth Advisors, Llc | 0.00% | 19 | $618 | $1,149 | +$531 | +85.88% | |
| Pnc Financial Services Group, Inc. | 0.00% | 5 | $246 | $302 | +$56 | +22.89% |
Frequently asked questions about PDEX
Who owns the most PDEX stock?
The largest holders of PDEX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PRO-DEX INC (PDEX).
Is PDEX widely held by superinvestors?
Many widely followed stocks like PDEX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PDEX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.