GORMAN-RUPP CO (GRC) Top Institutional Shareholders
GORMAN-RUPP CO (GRC) 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 $982.77M in GRC holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of GRC tracked by InsiderSet, reporting ownership valued at approximately $93.31M 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 $130.28M, representing an estimated gain of +39.61% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 54% of the total disclosed GRC value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in GORMAN-RUPP CO (GRC).
This page ranks the largest institutional GRC 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
214
Total Reported Value
$982.77M
Largest Holder
Blackrock, Inc.
Largest Position
$93.31M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
175
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% | 1,501,921 | $93,314,339 | $130,276,628 | +$36,962,289 | +39.61% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,277,005 | $79,337,204 | $110,767,414 | +$31,430,210 | +39.62% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,070,560 | $66,513,893 | $92,860,374 | +$26,346,481 | +39.61% | |
| Vanguard Capital Management Llc | 0.00% | 917,688 | $57,015,955 | $79,600,257 | +$22,584,302 | +39.61% | |
| Victory Capital Management Inc | 0.03% | 772,325 | $47,984,552 | $66,991,470 | +$19,006,918 | +39.61% | |
| Gabelli Funds Llc | 0.32% | 768,226 | $47,729,881 | $66,635,923 | +$18,906,042 | +39.61% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.06% | 703,347 | $43,700,976 | $61,008,319 | +$17,307,343 | +39.60% | |
| Gamco Investors, Inc. Et Al | 0.36% | 582,470 | $36,188,861 | $50,523,448 | +$14,334,587 | +39.61% | |
| First Trust Advisors Lp | 0.02% | 524,400 | $32,580,972 | $45,486,456 | +$12,905,484 | +39.61% | |
| State Street Corp | 0.00% | 499,022 | $31,004,237 | $43,285,168 | +$12,280,931 | +39.61% | |
| Geode Capital Management, Llc | 0.00% | 498,462 | $30,974,375 | $43,236,594 | +$12,262,219 | +39.59% | |
| King Luther Capital Management Corp | 0.11% | 395,100 | $24,547,563 | $34,270,974 | +$9,723,411 | +39.61% | |
| Legal & General Group Plc | 0.00% | 340,618 | $21,098,561 | $29,545,205 | +$8,446,644 | +40.03% | |
| Grace & White Inc | 3.53% | 321,626 | $19,982,623 | $27,897,839 | +$7,915,216 | +39.61% | |
| Bank Of America Corp | 0.00% | 302,230 | $18,777,550 | $26,215,430 | +$7,437,880 | +39.61% | |
| Mechanics Financial Corp | 7.62% | 1,007,456 | $18,191,602 | $87,386,733 | +$69,195,131 | +380.37% | |
| Needham Investment Management Llc | 0.87% | 272,500 | $16,930,425 | $23,636,650 | +$6,706,225 | +39.61% | |
| Goldman Sachs Group Inc | 0.00% | 227,314 | $14,123,032 | $19,717,216 | +$5,594,184 | +39.61% | |
| Northern Trust Corp | 0.00% | 197,821 | $12,290,619 | $17,158,994 | +$4,868,375 | +39.61% | |
| Charles Schwab Investment Management Inc | 0.00% | 173,896 | $10,804,158 | $15,083,739 | +$4,279,581 | +39.61% | |
| Bank Of New York Mellon Corp | 0.00% | 172,159 | $10,696,224 | $14,933,072 | +$4,236,848 | +39.61% | |
| Prentiss Smith & Co Inc | 6.16% | 170,715 | $10,606,523 | $14,807,819 | +$4,201,296 | +39.61% | |
| Wells Fargo & Company/Mn | 0.00% | 167,832 | $10,427,408 | $14,557,748 | +$4,130,340 | +39.61% | |
| Vanguard Fiduciary Trust Co | 0.00% | 146,513 | $9,102,853 | $12,708,538 | +$3,605,685 | +39.61% | |
| Ubs Group Ag | 0.00% | 143,552 | $8,918,886 | $12,451,700 | +$3,532,814 | +39.61% | |
| Keybank National Association/Oh | 0.03% | 143,438 | $8,911,803 | $12,441,812 | +$3,530,009 | +39.61% | |
| Morgan Stanley | 0.00% | 143,024 | $8,886,140 | $12,405,902 | +$3,519,762 | +39.61% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 140,031 | $8,700,126 | $12,146,289 | +$3,446,163 | +39.61% |
| Amundi | 0.00% | 122,724 | $7,624,842 | $10,645,080 | +$3,020,238 | +39.61% | |
| Kennedy Capital Management Llc | 0.16% | 119,372 | $7,416,582 | $10,354,327 | +$2,937,745 | +39.61% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 118,853 | $7,384,337 | $10,309,309 | +$2,924,972 | +39.61% | |
| John G Ullman & Associates Inc | 0.93% | 112,656 | $6,999,317 | $9,771,781 | +$2,772,464 | +39.61% | |
| Uniplan Investment Counsel, Inc. | 0.69% | 107,904 | $6,704,090 | $9,359,593 | +$2,655,503 | +39.61% | |
| Proshare Advisors Llc | 0.01% | 105,894 | $6,579,194 | $9,185,246 | +$2,606,052 | +39.61% | |
| Earnest Partners Llc | 0.03% | 103,266 | $6,415,917 | $8,957,293 | +$2,541,376 | +39.61% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 103,164 | $6,409,579 | $8,948,445 | +$2,538,866 | +39.61% | |
| Oberweis Asset Management Inc/ | 0.17% | 95,000 | $5,902,350 | $8,240,300 | +$2,337,950 | +39.61% | |
| Invesco Ltd. | 0.00% | 94,011 | $5,840,904 | $8,154,514 | +$2,313,610 | +39.61% | |
| Two Sigma Investments, Lp | 0.00% | 82,371 | $5,117,710 | $7,144,861 | +$2,027,151 | +39.61% | |
| Envestnet Asset Management Inc | 0.00% | 79,448 | $4,936,107 | $6,891,320 | +$1,955,213 | +39.61% | |
| Us Bancorp \De\ | 0.00% | 64,469 | $4,005,459 | $5,592,041 | +$1,586,582 | +39.61% | |
| Rodgers Brothers Inc. | 0.46% | 64,179 | $3,987,441 | $5,566,886 | +$1,579,445 | +39.61% | |
| Lbmc Investment Advisors, Llc | 0.23% | 61,116 | $3,797,138 | $5,301,202 | +$1,504,064 | +39.61% | |
| American Century Companies Inc | 0.00% | 59,094 | $3,671,510 | $5,125,814 | +$1,454,304 | +39.61% | |
| Trexquant Investment Lp | 0.02% | 55,592 | $3,453,931 | $4,822,050 | +$1,368,119 | +39.61% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 50,658 | $3,147,381 | $4,394,075 | +$1,246,694 | +39.61% | |
| Johnson Investment Counsel Inc | 0.02% | 48,988 | $3,043,624 | $4,249,219 | +$1,205,595 | +39.61% | |
| Russell Investments Group, Ltd. | 0.00% | 48,794 | $3,031,586 | $4,232,392 | +$1,200,806 | +39.61% | |
| Nuveen, Llc | 0.00% | 46,252 | $2,873,637 | $4,011,898 | +$1,138,261 | +39.61% | |
| Vontobel Holding Ltd. | 0.01% | 46,000 | $2,857,980 | $3,990,040 | +$1,132,060 | +39.61% |
Frequently asked questions about GRC
Who owns the most GRC stock?
The largest holders of GRC 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 GORMAN-RUPP CO (GRC).
Is GRC widely held by superinvestors?
Many widely followed stocks like GRC appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GRC 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.