IDEX Corporation
IDEX Corporation (IEX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IEX · as of Sep 30, 2025
Ownership Breakdown
640
Institutional Holders
▼ 9 vs Q2
$12.44B
Total Inst. Value
▼ $1.11B vs Q2
74.02M
Shares Outstanding
freeFloat 99.72%
75.64M
13F Shares Held
▼ 1.59M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IEX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC pumps & pumping equipment | 9.09M | 12.03% | 12.03% | $1.48T | Nov 7, 2025 | ▼ 98.5K |
WELLINGTON MANAGEMENT GROUP LLP pumps & pumping equipment | 6.48M | 8.57% | 8.57% | $1.05T | Nov 14, 2025 | ▲ 211.7K |
BLACKROCK, INC. pumps & pumping equipment | 5.68M | 7.51% | 7.51% | $924.60B | Nov 12, 2025 | ▼ 105.1K |
MORGAN STANLEY pumps & pumping equipment | 3.37M | 4.46% | 4.46% | $548.62B | May 27, 2026 | ▲ 237.3K |
STATE STREET CORP pumps & pumping equipment | 3.15M | 4.17% | 4.17% | $513.47B | Nov 14, 2025 | ▲ 55.0K |
NORDEA INVESTMENT MANAGEMENT AB pumps & pumping equipment | 2.36M | 3.13% | 3.13% | $382.05B | Oct 27, 2025 | ▲ 1.56M |
GEODE CAPITAL MANAGEMENT, LLC pumps & pumping equipment | 2.03M | 2.68% | 2.68% | $328.64B | Nov 12, 2025 | ▲ 26.2K |
IMPAX ASSET MANAGEMENT GROUP PLC pumps & pumping equipment | 1.96M | 2.59% | 2.59% | $319.14B | Nov 6, 2025 | ▼ 5.6K |
VAN ECK ASSOCIATES CORP pumps & pumping equipment | 1.91M | 2.53% | 2.53% | $311.38B | Nov 13, 2025 | ▲ 146.6K |
INVESCO LTD. pumps & pumping equipment | 1.81M | 2.39% | 2.39% | $294.56B | Nov 13, 2025 | ▲ 250.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+5.30M shares1
New Positions
first time holders20
Decreased
−4.68M shares0
Sold Out
fully exitedNet shares change (top 50)
+623.2K
+5.30M / −4.68M
Net new holders
+8
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IEX insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
3
Sell transactions
3.33
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
ASHLEMAN ERIC D CEO and President | May 11, 2026 | Sale | 10,470 | $214.95 | $2.25M | 71.6K | Form 4 ↗ |
ASHLEMAN ERIC D CEO and President | May 11, 2026 | Sale | 4,915 | $215.81 | $1.06M | 66.7K | Form 4 ↗ |
Watts Stanfield Paris director | May 6, 2026 | Award | 805 | — | — | 4.2K | Form 4 ↗ |
Quiroz Alejandro director | May 6, 2026 | Award | 805 | — | — | 4.0K | Form 4 ↗ |
Helmkamp Katrina L director | May 6, 2026 | Award | 1,035 | — | — | 14.2K | Form 4 ↗ |
Gunter Lakecia N director | May 6, 2026 | Award | 805 | — | — | 4.9K | Form 4 ↗ |
Glastra Matthijs director | May 6, 2026 | Award | 805 | — | — | 1.9K | Form 4 ↗ |
Disher Stephanie director | May 6, 2026 | Award | 805 | — | — | 1.9K | Form 4 ↗ |
Christenson Carl R director | May 6, 2026 | Award | 805 | — | — | 7.2K | Form 4 ↗ |
BUTHMAN MARK A director | May 6, 2026 | Award | 805 | — | — | 10.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
IDEX Corporation (IEX) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.28%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of IDEX Corporation is VANGUARD GROUP INC, holding approximately 9.09 million shares — equal to 12.03% of outstanding shares — as of September 30, 2025.
A total of 640 institutional investors currently hold IEX stock, with a combined institutional value of approximately $12.44 billion as of the most recent 13F filing period.
Frequently asked questions
IEX ownershipIDEX Corporation (IEX) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.03% stake. Company insiders hold 0.28%. Data sourced from SEC Form 13F as of September 30, 2025.