IEX
IDEX Corporation · Industrials · Industrial - Machinery
Momentum inputs (comparable managers):
holder breadth -11.1% ·
share flow +12.7% ·
net new positions -12.5%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 159 | -1 | 55.03M | $12.49B | +4 | −6 |
| Q1 2026 | 164 | +6 | 55.50M | $10.51B | +9 | −4 |
| Q4 2025 | 157 | -2 | 59.98M | $10.67B | +1 | −2 |
| Q3 2025 | 26 | +2 | 36.71M | $5.97B | +3 | −2 |
| Q2 2025 | 22 | +2 | 31.91M | $5.60B | +2 | — |
| Q1 2025 | 17 | +1 | 15.41M | $2.79B | +2 | −1 |
| Q4 2024 | 16 | -2 | 16.26M | $3.40B | +2 | −4 |
| Q3 2024 | 17 | -1 | 11.34M | $2.43B | — | −1 |
| Q2 2024 | 18 | — | 12.21M | $2.46B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 4.22M | +49.0% | $883.12M | 0.2% | ▲ Add | 3 | SEC ↗ ×8 |
| 2 | T. Rowe Price ✦ | 3.67M | +8.2% | $767.42M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 3 | State Street Global Advisors ✦ (passive) | 3.08M | — | $644.50M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.91M | +1.1% | $399.35M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 5 | Norges Bank ✦ (passive) | 1.04M | +17.4% | $217.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Fisher Asset Management ✦ | 663.90K | +0.7% | $138.95M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 415.73K | +411.2% | $87.01M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 8 | Marshall Wace ✦ | 358.16K | -14.7% | $74.96M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 9 | PRIMECAP Management ✦ | 283.27K | -3.8% | $59.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Capital World Investors ✦ | 200.00K | 0.0% | $41.86M | 0.0% | Held | 3 | SEC ↗ |
| 11 | GAMCO Investors ✦ | 177.98K | -0.8% | $37.25M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 161.97K | -51.5% | $33.90M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 13 | Millennium Management ✦ | 36.57K | +179.9% | $7.65M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Soros Fund Management ✦ | 30.56K | New | $6.40M | 0.2% | New | 1 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 10.20K | -59.8% | $2.13M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 16 | Arrowstreet Capital ✦ | 2.14K | New | $448,090 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Soros Fund Management | $6.40M | 0.2% |
| Arrowstreet Capital | $448,090 | 0.0% |
Exited
| Adage Capital Partners | $15.31M | was 0.0% |
| Renaissance Technologies | $9.81M | was 0.0% |
| D. E. Shaw & Co. | $3.89M | was 0.0% |
| Gotham Asset Management | $421,707 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 668 holders, 74.38M shares, $13.63B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 385 sh · $91,859
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology