617 hedge funds and large institutions have $13.7B invested in IDEX in 2025 Q4 according to their latest regulatory filings, with 91 funds opening new positions, 192 increasing their positions, 220 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

7% less call options, than puts

Call options by funds: $20.5M | Put options by funds: $22.1M

2% less funds holding

Funds holding: 628617 (-11)

13% less repeat investments, than reductions

Existing positions increased: 192 | Existing positions reduced: 220

Holders
617
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$20.5M
Puts
$22.1M
Net Calls
Net Calls Change

Top Sellers

1 -$134M
2 -$109M
3 -$56.1M
4
Squarepoint
Squarepoint
New York
-$49.2M
5
Voloridge Investment Management
Voloridge Investment Management
Florida
-$49M
Name Holding Trade Value Shares
Change
Change in
Stake
American Century Companies
51
American Century Companies
Missouri
$46.7M
AQR Capital Management
52
AQR Capital Management
Connecticut
$45.9M
Two Sigma Investments
53
Two Sigma Investments
New York
$45.7M
JIC
54
Johnson Investment Counsel
Ohio
$42.9M
Ensign Peak Advisors
55
Ensign Peak Advisors
Utah
$42.2M
Fidelity International
56
Fidelity International
Bermuda
$39.8M
Corient Private Wealth
57
Corient Private Wealth
Florida
$38.3M
MC
58
Maren Capital
Illinois
$38.3M
Swiss National Bank
59
Swiss National Bank
Switzerland
$36.6M
Brown Advisory
60
Brown Advisory
Maryland
$36.4M
BDLIB
61
Banque de Luxembourg Investments (BLI)
Luxembourg
$33.9M
EPIM
62
Evelyn Partners Investment Management
$33M
Luther King Capital Management (LKCM)
63
Luther King Capital Management (LKCM)
Texas
$32.9M
GF
64
Gabelli Funds
New York
$32.2M
Qube Research & Technologies (QRT)
65
Qube Research & Technologies (QRT)
United Kingdom
$31.9M
PFM
66
Premier Fund Managers
United Kingdom
$31.9M
N
67
Nuveen
North Carolina
$31.3M
AV
68
ASR Vermogensbeheer
Netherlands
$30.5M
GI
69
GAMCO Investors
Connecticut
$30.4M
Two Sigma Advisers
70
Two Sigma Advisers
New York
$30.3M
Sumitomo Mitsui Trust Group
71
Sumitomo Mitsui Trust Group
Japan
$30.1M
T. Rowe Price Associates
72
T. Rowe Price Associates
Maryland
$30M
California Public Employees Retirement System
73
California Public Employees Retirement System
California
$29.5M
RhumbLine Advisers
74
RhumbLine Advisers
Massachusetts
$29.3M
Mitsubishi UFJ Asset Management
75
Mitsubishi UFJ Asset Management
Japan
$28.7M