IDEX CORP (IEX) Institutional Shareholders
IDEX CORP (IEX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $16.53B in IEX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of IEX tracked by InsiderSet, reporting ownership valued at approximately $1.30B in its June 30, 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 $1.27B, representing an estimated loss of -2.23% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 43% of the total disclosed IEX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in IDEX CORP (IEX).
This page ranks the largest institutional IEX 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
668
Total Reported Value
$16.53B
Largest Holder
Blackrock, Inc.
Largest Position
$1.30B
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
61
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 5,734,272 | $1,301,392,952 | $1,272,377,614 | -$29,015,338 | -2.23% | |
| Vanguard Capital Management Llc | 0.02% | 4,844,404 | $1,099,437,488 | $1,074,924,804 | -$24,512,684 | -2.23% | |
| Vanguard Portfolio Management Llc | 0.04% | 3,734,233 | $847,484,179 | $828,588,960 | -$18,895,219 | -2.23% | |
| State Street Corp | 0.02% | 3,317,393 | $752,882,341 | $736,096,333 | -$16,786,008 | -2.23% | |
| Primecap Management Co/Ca/ | 0.44% | 3,300,072 | $748,951,342 | $732,252,976 | -$16,698,366 | -2.23% | |
| Morgan Stanley | 0.03% | 2,819,465 | $639,878,493 | $625,611,089 | -$14,267,404 | -2.23% | |
| Millennium Management Llc | 0.36% | 2,369,834 | $537,833,826 | $525,842,466 | -$11,991,360 | -2.23% | |
| Geode Capital Management, Llc | 0.03% | 2,097,826 | $474,309,293 | $465,486,611 | -$8,822,682 | -1.86% | |
| Nordea Investment Management Ab | 0.34% | 1,842,144 | $418,977,232 | $408,753,332 | -$10,223,900 | -2.44% | |
| Victory Capital Management Inc | 0.19% | 1,526,370 | $346,409,671 | $338,686,239 | -$7,723,432 | -2.23% | |
| Invesco Ltd. | 0.03% | 1,500,523 | $340,543,697 | $332,951,048 | -$7,592,649 | -2.23% | |
| Pictet Asset Management Holding Sa | 0.27% | 1,258,476 | $285,605,987 | $279,243,240 | -$6,362,747 | -2.23% | |
| Wellington Management Group Llp | 0.04% | 1,139,217 | $258,545,299 | $252,780,860 | -$5,764,439 | -2.23% | |
| Alyeska Investment Group, L.P. | 0.61% | 1,042,703 | $236,641,446 | $231,365,369 | -$5,276,077 | -2.23% | |
| Impax Asset Management Group Plc | 1.42% | 962,000 | $218,325,851 | $213,458,180 | -$4,867,671 | -2.23% | |
| Norges Bank | 0.02% | 916,538 | $208,008,299 | $203,370,617 | -$4,637,682 | -2.23% | |
| Point72 Asset Management, L.P. | 0.31% | 905,936 | $205,602,175 | $201,018,139 | -$4,584,036 | -2.23% | |
| Dimensional Fund Advisors Lp | 0.03% | 849,649 | $192,824,438 | $188,528,617 | -$4,295,821 | -2.23% | |
| Balyasny Asset Management L.P. | 0.35% | 846,581 | $192,131,558 | $187,847,858 | -$4,283,700 | -2.23% | |
| Ubs Group Ag | 0.03% | 825,098 | $187,255,990 | $183,080,995 | -$4,174,995 | -2.23% | |
| Fenimore Asset Management Inc | 3.76% | 799,639 | $181,478,031 | $177,431,898 | -$4,046,133 | -2.23% | |
| Northern Trust Corp | 0.02% | 763,615 | $173,302,425 | $169,438,532 | -$3,863,893 | -2.23% | |
| Fisher Asset Management, Llc | 0.05% | 748,815 | $169,943,649 | $166,154,560 | -$3,789,089 | -2.23% | |
| Arrowstreet Capital, Limited Partnership | 0.07% | 717,081 | $162,741,533 | $159,113,103 | -$3,628,430 | -2.23% | |
| Citadel Advisors Llc | 0.09% | 706,368 | $160,310,218 | $156,735,996 | -$3,574,222 | -2.23% | |
| Charles Schwab Investment Management Inc | 0.02% | 683,662 | $155,157,091 | $151,697,761 | -$3,459,330 | -2.23% | |
| Flossbach Von Storch Se | 0.66% | 646,867 | $146,806,466 | $143,533,319 | -$3,273,147 | -2.23% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.16% | 604,718 | $137,239,907 | $134,180,877 | -$3,059,030 | -2.23% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.03% | 723,589 | $137,156,296 | $160,557,163 | +$23,400,867 | +17.06% | |
| Westfield Capital Management Co Lp | 0.38% | 513,564 | $116,553,350 | $113,954,716 | -$2,598,634 | -2.23% | |
| Two Sigma Investments, Lp | 0.08% | 491,153 | $111,467,173 | $108,981,939 | -$2,485,234 | -2.23% | |
| First Trust Advisors Lp | 0.07% | 491,135 | $111,462,871 | $108,977,945 | -$2,484,926 | -2.23% | |
| Jpmorgan Chase & Co | 0.01% | 450,855 | $102,597,150 | $100,040,216 | -$2,556,934 | -2.49% | |
| Freestone Grove Partners Lp | 0.67% | 451,742 | $102,522,847 | $100,237,032 | -$2,285,815 | -2.23% | |
| Legal & General Group Plc | 0.02% | 444,906 | $100,971,420 | $98,720,192 | -$2,251,228 | -2.23% | |
| Snyder Capital Management L P | 1.73% | 440,952 | $100,074,056 | $97,842,839 | -$2,231,217 | -2.23% | |
| Deutsche Bank Ag\ | 0.03% | 426,901 | $96,885,182 | $94,725,063 | -$2,160,119 | -2.23% | |
| Thrivent Financial For Lutherans | 0.16% | 418,333 | $94,940,000 | $92,823,909 | -$2,116,091 | -2.23% | |
| Vanguard Fiduciary Trust Co | 0.02% | 415,505 | $94,298,860 | $92,196,404 | -$2,102,456 | -2.23% | |
| Jane Street Group, Llc | 0.06% | 411,838 | $93,466,634 | $91,382,734 | -$2,083,900 | -2.23% | |
| Hsbc Holdings Plc | 0.04% | 403,063 | $91,474,457 | $89,435,649 | -$2,038,808 | -2.23% | |
| Adage Capital Partners Gp, L.L.C. | 0.13% | 393,913 | $89,398,555 | $87,405,356 | -$1,993,199 | -2.23% | |
| Boston Trust Walden Corp | 0.67% | 390,195 | $88,554,760 | $86,580,369 | -$1,974,391 | -2.23% | |
| Alecta Tjanstepension Omsesidigt | 0.36% | 379,500 | $86,066,805 | $84,207,255 | -$1,859,550 | -2.16% | |
| Goldman Sachs Group Inc | 0.01% | 372,728 | $84,590,618 | $82,704,616 | -$1,886,002 | -2.23% | |
| Bank Of America Corp | 0.01% | 355,083 | $80,585,992 | $78,789,367 | -$1,796,625 | -2.23% | |
| Bank Of New York Mellon Corp | 0.01% | 350,026 | $79,438,353 | $77,667,269 | -$1,771,084 | -2.23% | |
| Robeco Schweiz Ag | 1.17% | 322,045 | $73,088,113 | $71,458,565 | -$1,629,548 | -2.23% | |
| Findlay Park Partners Llp | 0.98% | 321,299 | $72,918,808 | $71,293,035 | -$1,625,773 | -2.23% | |
| Fmr Llc | 0.00% | 320,087 | $72,643,523 | $71,024,104 | -$1,619,419 | -2.23% |
Frequently asked questions about IEX
Who owns the most IEX stock?
The largest holders of IEX 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 IDEX CORP (IEX).
Is IEX widely held by superinvestors?
Many widely followed stocks like IEX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IEX 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.