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Calix
CALX

313 hedge funds and large institutions have $3.48B invested in Calix in 2025 Q3 according to their latest regulatory filings, with 52 funds opening new positions, 111 increasing their positions, 101 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

381% more call options, than puts

Call options by funds: $10.4M | Put options by funds: $2.17M

73% more first-time investments, than exits

New positions opened: 52 | Existing positions closed: 30

17% more capital invested

Capital invested by funds: $2.97B → $3.48B (+$502M)

6% more funds holding

Funds holding: 295 → 313 (+18)

10% more repeat investments, than reductions

Existing positions increased: 111 | Existing positions reduced: 101

0.46% more ownership

Funds ownership: 86.28% → 86.74% (+0.46%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
313
Holders Change
+18
Holders Change %
+6.1%
% of All Funds
4.11%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
52
Increased
111
Reduced
101
Closed
30
Calls
$10.4M
Puts
$2.17M
Net Calls
+$8.27M
Net Calls Change
-$879K

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$68.1M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$50M
3
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$35.8M
4
DSCM
Divisadero Street Capital Management
Florida
+$23.1M
5
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$22.6M

Top Sellers

1
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$39.6M
2
Artisan Partners
Artisan Partners
Wisconsin
-$28.5M
3
Barclays
Barclays
United Kingdom
-$17.3M
4
PCMI
Paradigm Capital Management Inc
New York
-$16.8M
5
Morgan Stanley
Morgan Stanley
New York
-$16.5M
Name Holding Trade Value Shares
Change 		Change in
Stake
CMF
101
Counterpoint Mutual Funds
California
$2.3M +$2.16M +37,534 New
State of New Jersey Common Pension Fund D
102
State of New Jersey Common Pension Fund D
New Jersey
$2.28M -$174K -3,021 -8%
BA
103
Bridgewater Associates
Connecticut
$2.2M +$2.07M +35,894 New
VOYA Investment Management
104
VOYA Investment Management
Georgia
$2.15M -$175K -3,040 -8%
MIM
105
MetLife Investment Management
New Jersey
$2.1M -$45.7K -794 -2%
CAU
106
Caxton Associates (UK)
$2.08M +$1.96M +33,974 New
Franklin Resources
107
Franklin Resources
California
$2.08M +$175K +3,031 +10%
Teacher Retirement System of Texas
108
Teacher Retirement System of Texas
Texas
$2.06M -$2.13K -37 -0.1%
VRS
109
Virginia Retirement Systems
Virginia
$2.03M -$127K -2,200 -6%
SOADOR
110
State of Alaska Department of Revenue
Alaska
$2.02M -$80K -1,389 -4%
Lazard Asset Management
111
Lazard Asset Management
New York
$2.02M +$275K +4,768 +17%
Pathstone Holdings
112
Pathstone Holdings
New Jersey
$2.01M +$50.4K +876 +3%
State of Tennessee, Department of Treasury
113
State of Tennessee, Department of Treasury
Tennessee
$2M +$263K +4,575 +16%
Voloridge Investment Management
114
Voloridge Investment Management
Florida
$1.84M +$1.73M +30,037 New
Manulife (Manufacturers Life Insurance)
115
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.83M -$58.2K -1,010 -3%
HCA
116
Harbor Capital Advisors
Illinois
$1.75M +$569K +9,878 +53%
IMRF
117
Illinois Municipal Retirement Fund
Illinois
$1.74M -$131K -2,267 -7%
AI
118
Axecap Investments
Ohio
$1.71M +$1.6M +27,811 New
LSERS
119
Louisiana State Employees Retirement System
Louisiana
$1.68M +$17.3K +300 +1%
Janus Henderson Group
120
Janus Henderson Group
United Kingdom
$1.67M +$121K +2,103 +8%
ACM
121
Aquatic Capital Management
Illinois
$1.65M +$1.55M +26,909 New
BHCM
122
Brevan Howard Capital Management
Jersey
$1.61M -$2.04M -35,342 -57%
Universal-Beteiligungs- und Servicegesellschaft
123
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.6M +$907K +15,753 +154%
JSC
124
Jackson Square Capital
California
$1.56M – – –
Stifel Financial
125
Stifel Financial
Missouri
$1.55M +$183K +3,181 +14%
3 4
5
6 7

CALX Hedge Fund Activity: Q3 2025 in Review

313 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Calix (CALX) for Q3 2025, worth a combined $3.48B — up 17% from $2.97B a quarter earlier.

Buyers outnumbered sellers: 52 funds opened new CALX positions and 30 closed out — a net gain of 22 holders — while 111 added to existing stakes and 101 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $68.1M. The largest seller was Assenagon Asset Management, cutting an estimated $39.6M.

  • 313 institutional investors held Calix (CALX) as of Q3 2025, up from 295 in Q2 2025.
  • Funds reported $3.48B of Calix stock for Q3 2025, up 17% quarter-over-quarter.
  • 52 funds opened new Calix positions in Q3 2025 and 30 closed out, a net change of +22 holders.
  • The largest Calix buyer in Q3 2025 was T. Rowe Price Associates, an estimated $68.1M added.
  • The largest Calix seller in Q3 2025 was Assenagon Asset Management, an estimated $39.6M sold.

Based on aggregated 13F filings for Q3 2025.