IDEX
IEX
634 hedge funds and large institutions have $12.4B invested in IDEX in 2025 Q3 according to their latest regulatory filings, with 83 funds opening new positions, 204 increasing their positions, 251 reducing their positions, and 81 closing their positions.
203% more call options, than puts
Call options by funds: $4.48M | Put options by funds: $1.48M
2% more first-time investments, than exits
New positions opened: 83 | Existing positions closed: 81
1% less funds holding
Funds holding: 639 → 634 (-5)
1.7% less ownership
Funds ownership: 102.2% → 100.5% (-1.7%)
8% less capital invested
Capital invested by funds: $13.6B → $12.4B (-$1.11B)
19% less repeat investments, than reductions
Existing positions increased: 204 | Existing positions reduced: 251
43% less funds holding in top 10
Funds holding in top 10: 7 → 4 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Nordea Investment Management
Stockholm,
Sweden
|
+$263M |
| 2 |
Primecap Management
Pasadena,
California
|
+$209M |
| 3 |
Dodge & Cox
San Francisco,
California
|
+$58.2M |
| 4 |
Two Sigma Investments
New York
|
+$45.5M |
| 5 |
Invesco
Atlanta,
Georgia
|
+$42.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$277M |
| 2 |
Barclays
London,
United Kingdom
|
-$165M |
| 3 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$144M |
| 4 |
Luther King Capital Management (LKCM)
Fort Worth,
Texas
|
-$62.3M |
| 5 |
WAM
Weiss Asset Management
Boston,
Massachusetts
|
-$58.7M |
IEX Hedge Fund Activity: Q3 2025 in Review
634 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in IDEX (IEX) for Q3 2025, worth a combined $12.4B — down 8.2% from $13.6B a quarter earlier.
Buyers outnumbered sellers: 83 funds opened new IEX positions and 81 closed out — a net gain of 2 holders — while 204 added to existing stakes and 251 trimmed.
The largest buyer was Nordea Investment Management, adding an estimated $263M. The largest seller was T. Rowe Price Associates, cutting an estimated $277M.
- 634 institutional investors held IDEX (IEX) as of Q3 2025, down from 639 in Q2 2025.
- Funds reported $12.4B of IDEX stock for Q3 2025, down 8.2% quarter-over-quarter.
- 83 funds opened new IDEX positions in Q3 2025 and 81 closed out, a net change of +2 holders.
- The largest IDEX buyer in Q3 2025 was Nordea Investment Management, an estimated $263M added.
- The largest IDEX seller in Q3 2025 was T. Rowe Price Associates, an estimated $277M sold.
Based on aggregated 13F filings for Q3 2025.