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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
Arrowstreet Capital
26
Arrowstreet Capital
Massachusetts
$21.6M +$6.51M +152,232 +60%
N
27
Nuveen
North Carolina
$20.8M -$1.6M -37,524 -9%
Barclays
28
Barclays
United Kingdom
$20.8M +$2.7M +63,204 +19%
Goldman Sachs
29
Goldman Sachs
New York
$20.4M +$5.09M +118,967 +45%
DCM
30
Divisar Capital Management
California
$18.7M -$4.68M -109,320 -24%
Connor, Clark & Lunn Investment Management (CC&L)
31
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$17.5M +$564K +13,192 +4%
Bank of America
32
Bank of America
North Carolina
$17.3M +$2.19M +51,129 +19%
PCM
33
Penn Capital Management
Pennsylvania
$16.8M -$961K -22,464 -7%
GIPM
34
G2 Investment Partners Management
New York
$16.3M +$2.25M +52,628 +21%
Westfield Capital Management
35
Westfield Capital Management
Massachusetts
$15.5M +$12.5M +291,149 New
CSS
36
Cubist Systematic Strategies
Connecticut
$15.4M +$11.4M +267,118 +1,166%
Principal Financial Group
37
Principal Financial Group
Iowa
$15.2M -$353K -8,247 -3%
Citadel Advisors
38
Citadel Advisors
Florida
$14.7M +$8.66M +202,411 +276%
New York State Common Retirement Fund
39
New York State Common Retirement Fund
New York
$14.6M -$485K -11,341 -4%
UBS AM
40
UBS AM
Illinois
$14.1M +$3.8M +88,935 +50%
Deutsche Bank
41
Deutsche Bank
Germany
$14.1M -$462K -10,799 -4%
PCM
42
Penserra Capital Management
California
$13.6M +$10.9M +255,685 New
Renaissance Technologies
43
Renaissance Technologies
New York
$12.6M +$5.66M +132,300 +126%
HRCM
44
Hood River Capital Management
Florida
$12.2M +$9.83M +229,832 New
Invesco
45
Invesco
Georgia
$11.9M -$567K -13,266 -6%
Acadian Asset Management
46
Acadian Asset Management
Massachusetts
$11.5M +$1.41M +33,082 +18%
Tudor Investment Corp
47
Tudor Investment Corp
Connecticut
$11.2M +$1.94M +45,459 +28%
Neuberger Berman Group
48
Neuberger Berman Group
New York
$11.1M -$1.44M -33,777 -14%
CWM
49
Congress Wealth Management
Massachusetts
$11M -$43.5K -1,017 -0.5%
D.E. Shaw & Co
50
D.E. Shaw & Co
New York
$10.8M +$6.76M +158,117 +356%

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.