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260 hedge funds and large institutions have $2B invested in Calix in 2025 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 94 increasing their positions, 96 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

29% more first-time investments, than exits

New positions opened: 36 | Existing positions closed: 28

3% more funds holding

Funds holding: 253260 (+7)

0% more capital invested

Capital invested by funds: $2B → $2B (+$5.68M)

2% less repeat investments, than reductions

Existing positions increased: 94 | Existing positions reduced: 96

10% less call options, than puts

Call options by funds: $13.7M | Put options by funds: $15.2M

1.57% less ownership

Funds ownership: 86.37%84.81% (-1.6%)

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
260
Holders Change
+7
Holders Change %
+2.77%
% of All Funds
3.49%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
36
Increased
94
Reduced
96
Closed
28
Calls
$13.7M
Puts
$15.2M
Net Calls
-$1.45M
Net Calls Change
+$36.2M
Name Holding Trade Value Shares
Change
Change in
Stake
Norges Bank
51
Norges Bank
Norway
$6.18M -$5.78M -155,800 -47%
RhumbLine Advisers
52
RhumbLine Advisers
Massachusetts
$5.93M -$48.8K -1,314 -0.8%
Tudor Investment Corp
53
Tudor Investment Corp
Connecticut
$5.84M +$498K +13,420 +9%
American Century Companies
54
American Century Companies
Missouri
$5.11M +$994K +26,778 +23%
OM
55
OV Management
Minnesota
$5.11M +$169K +4,542 +3%
EGM
56
Engineers Gate Manager
New York
$4.87M +$1.08M +29,035 +27%
Citigroup
57
Citigroup
New York
$4.66M +$1.75M +47,044 +56%
Envestnet Asset Management
58
Envestnet Asset Management
Illinois
$4.62M -$826K -22,252 -15%
TI
59
Trexquant Investment
Connecticut
$4.58M +$2.88M +77,719 +151%
Ameriprise
60
Ameriprise
Minnesota
$4.57M -$251K -6,771 -5%
PAM
61
Panagora Asset Management
Massachusetts
$4.24M -$1.93M -51,928 -30%
HighTower Advisors
62
HighTower Advisors
Illinois
$4.23M +$37.4K +1,008 +0.9%
Swiss National Bank
63
Swiss National Bank
Switzerland
$4.1M -$29.7K -800 -0.7%
MCM
64
Marathon Capital Management
Maryland
$4.05M -$27.6K -745 -0.6%
Russell Investments Group
65
Russell Investments Group
United Kingdom
$3.8M +$1.33M +35,976 +50%
Renaissance Technologies
66
Renaissance Technologies
New York
$3.73M -$2.04M -55,101 -34%
State of Wisconsin Investment Board
67
State of Wisconsin Investment Board
Wisconsin
$3.68M -$370K -9,966 -9%
CIS
68
Connors Investor Services
Pennsylvania
$3.63M -$23.6K -637 -0.6%
NSAM
69
North Star Asset Management
Wisconsin
$3.38M +$110K +2,957 +3%
TIM
70
Thompson Investment Management
Wisconsin
$3.2M -$26K -700 -0.8%
TC
71
TownSquare Capital
Utah
$3.16M +$481K +12,976 +17%
Marshall Wace
72
Marshall Wace
United Kingdom
$2.86M +$842K +22,685 +39%
SEI Investments
73
SEI Investments
Pennsylvania
$2.74M +$598K +16,109 +26%
NAAA
74
New Age Alpha Advisors
New York
$2.72M -$321K -8,664 -10%
IA
75
Inspire Advisors
Idaho
$2.66M +$2.78M +74,985 New

CALX Hedge Fund Activity: Q1 2025 in Review

260 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Calix (CALX) for Q1 2025, worth a combined $2B — up 0.28% from $2B a quarter earlier.

Buyers outnumbered sellers: 36 funds opened new CALX positions and 28 closed out — a net gain of 8 holders — while 94 added to existing stakes and 96 trimmed.

The largest buyer was UBS Group, adding an estimated $24.3M. The largest seller was Trigran Investments, exiting entirely with an estimated $25.2M sold.

  • 260 institutional investors held Calix (CALX) as of Q1 2025, up from 253 in Q4 2024.
  • Funds reported $2B of Calix stock for Q1 2025, up 0.28% quarter-over-quarter.
  • 36 funds opened new Calix positions in Q1 2025 and 28 closed out, a net change of +8 holders.
  • The largest Calix buyer in Q1 2025 was UBS Group, an estimated $24.3M added.
  • The largest Calix seller in Q1 2025 was Trigran Investments, an estimated $25.2M sold.

Based on aggregated 13F filings for Q1 2025.