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IDEX
627 hedge funds and large institutions have $13.7B invested in IDEX in 2025 Q4 according to their latest regulatory filings, with 95 funds opening new positions, 195 increasing their positions, 222 reducing their positions, and 85 closing their positions.
New
Increased
Maintained
Reduced
Closed
50% more funds holding in top 10
Funds holding in top 10: 4 → 6 (+2)
12% more first-time investments, than exits
New positions opened: 95 | Existing positions closed: 85
10% more capital invested
Capital invested by funds: $12.4B → $13.7B (+$1.3B)
2.64% more ownership
Funds ownership: 100.48% → 103.12% (+2.6%)
1% less funds holding
Funds holding: 631 → 627 (-4)
7% less call options, than puts
Call options by funds: $20.5M | Put options by funds: $22.1M
12% less repeat investments, than reductions
Existing positions increased: 195 | Existing positions reduced: 222
Holders
627
Holders Change
-4
Holders Change %
-0.63%
% of All Funds
7.63%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
95
Increased
195
Reduced
222
Closed
85
Calls
$20.5M
Puts
$22.1M
Net Calls
-$1.54M
Net Calls Change
-$4.54M
Top Buyers
| 1 |
Primecap Management
Pasadena,
California
|
+$256M |
| 2 |
Dodge & Cox
San Francisco,
California
|
+$157M |
| 3 |
Millennium Management
New York
|
+$136M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
+$123M |
| 5 |
IP
Interval Partners
New York
|
+$57M |
