Optiver Holding’s Calix CALX Stock Holding History

Optiver Holding’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
2025 Q4	–	Sell	-150	Closed	-$9.21K	–	2532
2025 Q3	$9.21K	Buy	+150	New	+$8.64K	﹤0.01%	1351

Other funds holding CALX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

CAM

Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Optiver Holding's CALX Position: Q4 2025 in Review

Optiver Holding sold out of Calix (CALX) in Q4 2025, closing a stake of 150 shares — an estimated $9.21K sold.

Optiver Holding first reported a position in CALX in Q3 2025 and held it in 1 quarter. The position peaked at $9.21K in Q3 2025. 331 funds tracked by Wall St. Rank hold CALX as of Q4 2025.

Optiver Holding reported no remaining Calix position as of Q4 2025 after selling out during the quarter.
Optiver Holding sold 150 Calix shares in Q4 2025, an estimated $9.21K.
Optiver Holding first reported a position in Calix in Q3 2025 and held it in 1 quarter.
Optiver Holding's Calix position peaked at $9.21K in Q3 2025.
331 funds tracked by Wall St. Rank held Calix as of Q4 2025.

Based on Optiver Holding's 13F filing for Q4 2025, filed 17 Feb 2026.