XT
CALX icon

XTX Topco’s Calix CALX Stock Holding History

XTX Topco’s Portfolio CALX Stock Details CALX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.13M Buy
110,725
+48,378
+78% +$2.03M 0.05% 491
2026
Q1 		$3.05M Buy
62,347
+8,008
+15% +$420K 0.05% 555
2025
Q4 		$2.88M Buy
+54,339
New +$3.16M 0.08% 358
2025
Q2 		– Sell
-30,077
Closed -$1.07M – 2415
2025
Q1 		$1.07M Buy
+30,077
New +$1.12M 0.05% 522
2023
Q4 		– Sell
-6,710
Closed -$308K – 1637
2023
Q3 		$308K Buy
+6,710
New +$304K 0.05% 711
2023
Q1 		– Sell
-3,451
Closed -$236K – 1302
2022
Q4 		$236K Buy
+3,451
New +$232K 0.05% 742

Other funds holding CALX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

XTX Topco's CALX Position: Q2 2026 in Review

XTX Topco increased its Calix (CALX) stake by 78% in Q2 2026, buying an estimated $2.03M and bringing the position to 110,725 shares worth $4.13M. The position accounts for 0.05% of the portfolio, ranked #491.

XTX Topco first reported a position in CALX in Q4 2022 and has held it in 6 quarters since. 285 funds tracked by Wall St. Rank hold CALX as of Q2 2026.

  • XTX Topco held 110,725 shares of Calix worth $4.13M as of Q2 2026.
  • XTX Topco bought 48,378 Calix shares in Q2 2026, an estimated $2.03M.
  • Calix made up 0.05% of XTX Topco's portfolio in Q2 2026, its #491 holding.
  • XTX Topco first reported a position in Calix in Q4 2022 and has held it in 6 quarters since.
  • 285 funds tracked by Wall St. Rank held Calix as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.