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22 hedge funds and large institutions have $3.19M invested in IRIDEX in 2025 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 7 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more first-time investments, than exits

New positions opened: 4 | Existing positions closed: 2

0% more funds holding

Funds holding: 2222 (0)

0.46% less ownership

Funds ownership: 16.68%16.23% (-0.46%)

2% less capital invested

Capital invested by funds: $3.24M → $3.19M (-$56.7K)

57% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 7

Holders
22
Holders Change
Holders Change %
0%
% of All Funds
0.27%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
4
Increased
3
Reduced
7
Closed
2
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PAPAIJV
1
Paragon Associates & Paragon Associates II Joint Venture
Texas
$1.14M
Vanguard Group
2
Vanguard Group
Pennsylvania
$660K
Renaissance Technologies
3
Renaissance Technologies
New York
$424K -$18K -17,500 -4%
WCM
4
Weber Capital Management
California
$296K +$267K +259,558 New
Geode Capital Management
5
Geode Capital Management
Massachusetts
$154K +$2.21K +2,149 +2%
UCFA
6
United Capital Financial Advisors
Texas
$74.7K +$67.5K +65,529 New
State Street
7
State Street
Massachusetts
$51K
Goldman Sachs
8
Goldman Sachs
New York
$47.2K -$6.6K -6,408 -13%
PCM
9
Perkins Capital Management
Minnesota
$47.1K
Citadel Advisors
10
Citadel Advisors
Florida
$39.2K -$77.3K -75,078 -69%
Jane Street
11
Jane Street
New York
$36.2K +$15.8K +15,377 +94%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$36K
TDC
13
Thompson Davis & Co
Virginia
$32.5K +$29.3K +28,500 New
XT
14
XTX Topco
Cayman Islands
$32.5K +$2.16K +2,094 +8%
Susquehanna International Group
15
Susquehanna International Group
Pennsylvania
$27.9K -$32.9K -31,983 -57%
DAS
16
Diversify Advisory Services
Utah
$27K +$19.7K +19,134 New
Northern Trust
17
Northern Trust
Illinois
$24.3K -$2.01K -1,951 -8%
BlackRock
18
BlackRock
New York
$23.1K
HighTower Advisors
19
HighTower Advisors
Illinois
$11.4K
Group One Trading
20
Group One Trading
Illinois
$1.25K
Simplex Trading
21
Simplex Trading
Illinois
$661 -$184 -179 -24%
Bank of America
22
Bank of America
North Carolina
$144 -$510 -495 -80%
CC
23
Centiva Capital
New York
-$21.6K -18,768 Closed
TRCT
24
Tower Research Capital (TRC)
New York
-$571 -501 Closed

IRIX Hedge Fund Activity: Q4 2025 in Review

22 of the 8,252 institutional investors tracked by Wall St. Rank reported a position in IRIDEX (IRIX) for Q4 2025, worth a combined $3.19M — down 1.7% from $3.24M a quarter earlier.

Buyers outnumbered sellers: 4 funds opened new IRIX positions and 2 closed out — a net gain of 2 holders — while 3 added to existing stakes and 7 trimmed.

The largest buyer was United Capital Financial Advisors, opening a new position worth an estimated $67.5K. The largest seller was Citadel Advisors, cutting an estimated $77.3K.

  • 22 institutional investors held IRIDEX (IRIX) as of Q4 2025, unchanged from Q3 2025.
  • Funds reported $3.19M of IRIDEX stock for Q4 2025, down 1.7% quarter-over-quarter.
  • 4 funds opened new IRIDEX positions in Q4 2025 and 2 closed out, a net change of +2 holders.
  • The largest IRIDEX buyer in Q4 2025 was United Capital Financial Advisors, an estimated $67.5K added.
  • The largest IRIDEX seller in Q4 2025 was Citadel Advisors, an estimated $77.3K sold.

Based on aggregated 13F filings for Q4 2025.