Calix
CALX
287 hedge funds and large institutions have $2.27B invested in Calix in 2026 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 106 increasing their positions, 114 reducing their positions, and 58 closing their positions.
157% more call options, than puts
Call options by funds: $3.03M | Put options by funds: $1.18M
2.99% more ownership
Funds ownership: 90.96% → 93.94% (+3%)
7% less repeat investments, than reductions
Existing positions increased: 106 | Existing positions reduced: 114
7% less funds holding
Funds holding: 310 → 287 (-23)
23% less capital invested
Capital invested by funds: $2.94B → $2.27B (-$663M)
34% less first-time investments, than exits
New positions opened: 38 | Existing positions closed: 58
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$32.8M |
| 2 |
BlackRock
New York
|
+$26.1M |
| 3 |
Two Sigma Investments
New York
|
+$22.8M |
| 4 |
TI
Trigran Investments
Northbrook,
Illinois
|
+$18.5M |
| 5 |
Acadian Asset Management
Boston,
Massachusetts
|
+$18.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CAM
Congress Asset Management
Boston,
Massachusetts
|
-$68.6M |
| 2 |
Millennium Management
New York
|
-$50.6M |
| 3 |
Artisan Partners
Milwaukee,
Wisconsin
|
-$26M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
-$25.2M |
| 5 |
Squarepoint
New York
|
-$15.2M |
CALX Hedge Fund Activity: Q2 2026 in Review
287 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in Calix (CALX) for Q2 2026, worth a combined $2.27B — down 23% from $2.94B a quarter earlier.
Sellers outnumbered buyers: 58 funds closed out of CALX and 38 opened new positions — a net loss of 20 holders — while 114 trimmed existing stakes and 106 added.
The largest buyer was Citadel Advisors, adding an estimated $32.8M. The largest seller was Congress Asset Management, cutting an estimated $68.6M.
- 287 institutional investors held Calix (CALX) as of Q2 2026, down from 310 in Q1 2026.
- Funds reported $2.27B of Calix stock for Q2 2026, down 23% quarter-over-quarter.
- 38 funds opened new Calix positions in Q2 2026 and 58 closed out, a net change of -20 holders.
- The largest Calix buyer in Q2 2026 was Citadel Advisors, an estimated $32.8M added.
- The largest Calix seller in Q2 2026 was Congress Asset Management, an estimated $68.6M sold.
Based on aggregated 13F filings for Q2 2026.