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295 hedge funds and large institutions have $2.97B invested in Calix in 2025 Q2 according to their latest regulatory filings, with 66 funds opening new positions, 99 increasing their positions, 101 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

347% more call options, than puts

Call options by funds: $11.8M | Put options by funds: $2.64M

120% more first-time investments, than exits

New positions opened: 66 | Existing positions closed: 30

49% more capital invested

Capital invested by funds: $2B → $2.97B (+$972M)

13% more funds holding

Funds holding: 260295 (+35)

1.47% more ownership

Funds ownership: 84.81%86.28% (+1.5%)

2% less repeat investments, than reductions

Existing positions increased: 99 | Existing positions reduced: 101

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
295
Holders Change
+35
Holders Change %
+13.46%
% of All Funds
3.88%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
66
Increased
99
Reduced
101
Closed
30
Calls
$11.8M
Puts
$2.64M
Net Calls
+$9.15M
Net Calls Change
+$10.6M
Name Holding Trade Value Shares
Change
Change in
Stake
LSERS
126
Louisiana State Employees Retirement System
Louisiana
$1.44M -$34.2K -800 -3%
JSC
127
Jackson Square Capital
California
$1.36M -$172K -4,014 -14%
WG
128
Winton Group
United Kingdom
$1.35M -$423K -9,893 -28%
Janus Henderson Group
129
Janus Henderson Group
United Kingdom
$1.34M
Two Sigma Investments
130
Two Sigma Investments
New York
$1.32M +$287K +6,700 +37%
JFG
131
Jefferies Financial Group
New York
$1.22M -$1.79M -41,900 -65%
Squarepoint
132
Squarepoint
New York
$1.18M -$692K -16,176 -42%
Stifel Financial
133
Stifel Financial
Missouri
$1.17M +$40.8K +953 +5%
Royal Bank of Canada
134
Royal Bank of Canada
Ontario, Canada
$1.15M -$271K -6,347 -23%
YCM
135
Yousif Capital Management
Michigan
$1.14M -$12.6K -295 -1%
Ensign Peak Advisors
136
Ensign Peak Advisors
Utah
$1.1M
SO
137
STRS Ohio
Ohio
$1.09M -$154K -3,600 -15%
MF
138
Magnetar Financial
Illinois
$1.06M +$852K +19,910 New
FDCDDQ
139
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.01M -$560K -13,094 -41%
HCA
140
Harbor Capital Advisors
Illinois
$992K +$211K +4,935 +36%
Walleye Trading
141
Walleye Trading
New York
$989K +$795K +18,589 New
ASRS
142
Arizona State Retirement System
Arizona
$983K +$58.1K +1,358 +8%
TRSOTSOK
143
Teachers Retirement System of the State of Kentucky
Kentucky
$965K -$58.9K -1,378 -7%
Handelsbanken Fonder
144
Handelsbanken Fonder
Sweden
$957K -$55.6K -1,300 -7%
QT
145
Quantbot Technologies
New York
$941K +$756K +17,685 New
Boston Partners
146
Boston Partners
Massachusetts
$911K +$733K +17,126 New
CCIA
147
Campbell & Co Investment Adviser
Maryland
$910K +$732K +17,105 New
GWM
148
Gibbs Wealth Management
Georgia
$903K +$85.3K +1,994 +13%
MSRPS
149
Maryland State Retirement & Pension System
Maryland
$902K -$11.2K -262 -2%
State Board of Administration of Florida Retirement System
150
State Board of Administration of Florida Retirement System
Florida
$898K

CALX Hedge Fund Activity: Q2 2025 in Review

295 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Calix (CALX) for Q2 2025, worth a combined $2.97B — up 49% from $2B a quarter earlier.

Buyers outnumbered sellers: 66 funds opened new CALX positions and 30 closed out — a net gain of 36 holders — while 99 added to existing stakes and 101 trimmed.

The largest buyer was Lord, Abbett & Co, opening a new position worth an estimated $34.8M. The largest seller was AllianceBernstein, cutting an estimated $49.6M.

  • 295 institutional investors held Calix (CALX) as of Q2 2025, up from 260 in Q1 2025.
  • Funds reported $2.97B of Calix stock for Q2 2025, up 49% quarter-over-quarter.
  • 66 funds opened new Calix positions in Q2 2025 and 30 closed out, a net change of +36 holders.
  • The largest Calix buyer in Q2 2025 was Lord, Abbett & Co, an estimated $34.8M added.
  • The largest Calix seller in Q2 2025 was AllianceBernstein, an estimated $49.6M sold.

Based on aggregated 13F filings for Q2 2025.