MF
CALX icon

Magnetar Financial’s Calix CALX Stock Holding History

Magnetar Financial’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 		$940K Buy
25,197
+14,351
+132% +$602K 0.01% 457
2026
Q1 		$531K Sell
10,846
-998
-8% -$52.4K 0.01% 616
2025
Q4 		$627K Buy
11,844
+3,804
+47% +$222K 0.01% 517
2025
Q3 		$493K Sell
8,040
-11,870
-60% -$684K ﹤0.01% 589
2025
Q2 		$1.06M Buy
+19,910
New +$852K 0.01% 430
2025
Q1 		– Sell
-6,363
Closed -$222K – 754
2024
Q4 		$222K Buy
+6,363
New +$224K 0.01% 536
2024
Q1 		– Sell
-32,313
Closed -$1.41M – 389
2023
Q4 		$1.41M Sell
32,313
-22,945
-42% -$917K 0.04% 230
2023
Q3 		$2.53M Buy
+55,258
New +$2.5M 0.06% 168
2023
Q2 		– Sell
-8,999
Closed -$482K – 501
2023
Q1 		$482K Buy
+8,999
New +$491K 0.01% 464
2022
Q3 		– Sell
-7,150
Closed -$244K – 1375
2022
Q2 		$244K Sell
7,150
-2,485
-26% -$92.3K ﹤0.01% 1271
2022
Q1 		$413K Buy
+9,635
New +$488K ﹤0.01% 944

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

Magnetar Financial's CALX Position: Q2 2026 in Review

Magnetar Financial increased its Calix (CALX) stake by 132% in Q2 2026, buying an estimated $602K and bringing the position to 25,197 shares worth $940K. The position accounts for 0.01% of the portfolio, ranked #457.

Magnetar Financial first reported a position in CALX in Q1 2022 and has held it in 11 quarters since. The position peaked at $2.53M in Q3 2023. 287 funds tracked by Wall St. Rank hold CALX as of Q2 2026.

  • Magnetar Financial held 25,197 shares of Calix worth $940K as of Q2 2026.
  • Magnetar Financial bought 14,351 Calix shares in Q2 2026, an estimated $602K.
  • Calix made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #457 holding.
  • Magnetar Financial first reported a position in Calix in Q1 2022 and has held it in 11 quarters since.
  • Magnetar Financial's Calix position peaked at $2.53M in Q3 2023.
  • 287 funds tracked by Wall St. Rank held Calix as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.