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 $14.03B 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 $1.08B 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 $1.31B, representing an estimated gain of +21.58% 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
665
Total Reported Value
$14.03B
Largest Holder
Blackrock, Inc.
Largest Position
$1.08B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
76
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% | 5,676,192 | $1,075,922,194 | $1,308,078,446 | +$232,156,252 | +21.58% | |
| Vanguard Capital Management Llc | 0.02% | 4,854,696 | $920,207,627 | $1,118,764,693 | +$198,557,066 | +21.58% | |
| Vanguard Portfolio Management Llc | 0.04% | 3,768,696 | $714,356,327 | $868,495,993 | +$154,139,666 | +21.58% | |
| Primecap Management Co/Ca/ | 0.49% | 3,302,937 | $626,071,710 | $761,161,832 | +$135,090,122 | +21.58% | |
| State Street Corp | 0.02% | 3,205,396 | $607,582,812 | $738,683,508 | +$131,100,696 | +21.58% | |
| Morgan Stanley | 0.04% | 3,099,129 | $587,440,747 | $714,194,278 | +$126,753,531 | +21.58% | |
| Geode Capital Management, Llc | 0.02% | 2,090,784 | $394,856,622 | $481,821,173 | +$86,964,551 | +22.02% | |
| Millennium Management Llc | 0.28% | 1,995,944 | $378,331,185 | $459,965,295 | +$81,634,110 | +21.58% | |
| Nordea Investment Management Ab | 0.33% | 1,873,464 | $348,970,139 | $431,739,779 | +$82,769,640 | +23.72% | |
| Wellington Management Group Llp | 0.06% | 1,738,531 | $329,538,552 | $400,644,469 | +$71,105,917 | +21.58% | |
| Invesco Ltd. | 0.05% | 1,626,471 | $308,297,580 | $374,820,242 | +$66,522,662 | +21.58% | |
| Victory Capital Management Inc | 0.18% | 1,512,016 | $286,602,633 | $348,444,087 | +$61,841,454 | +21.58% | |
| Pictet Asset Management Holding Sa | 0.27% | 1,258,476 | $285,605,987 | $290,015,794 | +$4,409,807 | +1.54% | |
| Amundi | 0.06% | 1,219,400 | $231,228,744 | $281,010,730 | +$49,781,986 | +21.53% | |
| Jane Street Group, Llc | 0.24% | 1,165,519 | $220,924,126 | $268,593,854 | +$47,669,728 | +21.58% | |
| Bank Of America Corp | 0.02% | 1,094,101 | $207,386,920 | $252,135,575 | +$44,748,655 | +21.58% | |
| Fenimore Asset Management Inc | 3.76% | 799,639 | $181,478,031 | $184,276,808 | +$2,798,777 | +1.54% | |
| Impax Asset Management Group Plc | 1.25% | 947,946 | $179,683,252 | $218,454,156 | +$38,770,904 | +21.58% | |
| Point72 Asset Management, L.P. | 0.27% | 830,856 | $157,488,755 | $191,470,765 | +$33,982,010 | +21.58% | |
| Balyasny Asset Management L.P. | 0.30% | 816,137 | $154,698,768 | $188,078,772 | +$33,380,004 | +21.58% | |
| Dimensional Fund Advisors Lp | 0.03% | 815,529 | $154,555,411 | $187,938,658 | +$33,383,247 | +21.60% | |
| Citadel Advisors Llc | 0.11% | 808,651 | $153,279,797 | $186,353,623 | +$33,073,826 | +21.58% | |
| Northern Trust Corp | 0.02% | 755,891 | $143,279,139 | $174,195,081 | +$30,915,942 | +21.58% | |
| Flossbach Von Storch Se | 0.65% | 740,319 | $140,327,466 | $170,606,514 | +$30,279,048 | +21.58% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.03% | 723,589 | $137,156,296 | $166,751,085 | +$29,594,789 | +21.58% | |
| Fisher Asset Management, Llc | 0.05% | 708,157 | $134,231,270 | $163,194,781 | +$28,963,511 | +21.58% | |
| Arrowstreet Capital, Limited Partnership | 0.07% | 699,788 | $132,644,815 | $161,266,145 | +$28,621,330 | +21.58% | |
| Charles Schwab Investment Management Inc | 0.02% | 685,933 | $130,018,600 | $158,073,260 | +$28,054,660 | +21.58% | |
| Storebrand Asset Management As | 0.04% | 644,181 | $129,414,298 | $148,451,511 | +$19,037,213 | +14.71% | |
| First Trust Advisors Lp | 0.09% | 672,829 | $127,534,645 | $155,053,443 | +$27,518,798 | +21.58% | |
| Ubs Group Ag | 0.02% | 641,700 | $121,634,234 | $147,879,765 | +$26,245,531 | +21.58% | |
| Champlain Investment Partners, Llc | 1.54% | 640,274 | $121,363,937 | $147,551,143 | +$26,187,206 | +21.58% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.14% | 557,361 | $105,643,112 | $128,443,842 | +$22,800,730 | +21.58% | |
| Alyeska Investment Group, L.P. | 0.28% | 517,655 | $98,121,505 | $119,293,595 | +$21,172,090 | +21.58% | |
| Two Sigma Investments, Lp | 0.08% | 497,672 | $94,333,728 | $114,688,512 | +$20,354,784 | +21.58% | |
| Legal & General Group Plc | 0.02% | 471,037 | $89,285,066 | $108,550,477 | +$19,265,411 | +21.58% | |
| Boston Trust Walden Corp | 0.67% | 390,195 | $88,554,760 | $89,920,438 | +$1,365,678 | +1.54% | |
| Alecta Tjanstepension Omsesidigt | 0.36% | 379,500 | $86,066,805 | $87,455,775 | +$1,388,970 | +1.61% | |
| Snyder Capital Management L P | 1.67% | 453,285 | $85,920,172 | $104,459,528 | +$18,539,356 | +21.58% | |
| Deutsche Bank Ag\ | 0.03% | 431,884 | $81,863,613 | $99,527,668 | +$17,664,055 | +21.58% | |
| Westfield Capital Management Co Lp | 0.34% | 426,019 | $80,751,901 | $98,176,079 | +$17,424,178 | +21.58% | |
| Vanguard Fiduciary Trust Co | 0.02% | 421,292 | $79,855,899 | $97,086,741 | +$17,230,842 | +21.58% | |
| Schonfeld Strategic Advisors Llc | 0.64% | 415,555 | $78,768,449 | $95,764,650 | +$16,996,201 | +21.58% | |
| Bank Of New York Mellon Corp | 0.01% | 406,486 | $77,049,505 | $93,674,699 | +$16,625,194 | +21.58% | |
| Robeco Schweiz Ag | 1.17% | 322,045 | $73,088,113 | $74,215,270 | +$1,127,157 | +1.54% | |
| Deprince Race & Zollo Inc | 1.25% | 349,496 | $66,246,967 | $80,541,353 | +$14,294,386 | +21.58% | |
| Barclays Plc | 0.02% | 345,450 | $65,480,047 | $79,608,953 | +$14,128,906 | +21.58% | |
| Findlay Park Partners Llp | 0.88% | 331,999 | $62,930,410 | $76,509,170 | +$13,578,760 | +21.58% | |
| State Farm Mutual Automobile Insurance Co | 0.05% | 326,330 | $61,855,851 | $75,202,749 | +$13,346,898 | +21.58% | |
| Goldman Sachs Group Inc | 0.01% | 315,561 | $59,814,570 | $72,721,032 | +$12,906,462 | +21.58% |
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.