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.
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)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$68.1M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$50M |
| 3 |
Acadian Asset Management
Boston,
Massachusetts
|
+$35.8M |
| 4 |
DSCM
Divisadero Street Capital Management
Miami,
Florida
|
+$23.1M |
| 5 |
Westfield Capital Management
Boston,
Massachusetts
|
+$22.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$39.6M |
| 2 |
Artisan Partners
Milwaukee,
Wisconsin
|
-$28.5M |
| 3 |
Barclays
London,
United Kingdom
|
-$17.3M |
| 4 |
PCMI
Paradigm Capital Management Inc
Albany,
New York
|
-$16.8M |
| 5 |
Morgan Stanley
New York
|
-$16.5M |
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.