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David Shaw’s Calix CALX Stock Holding History

David Shaw’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
2023
Q1 		– Sell
-12,300
Closed -$842K – 4467
2022
Q4 		$842K Hold
12,300
– – ﹤0.01% 3555
2022
Q3 		$752K Hold
12,300
– – ﹤0.01% 3789
2022
Q2 		$420K Sell
12,300
-15,700
-56% -$583K ﹤0.01% 4197
2022
Q1 		$1.2M Buy
28,000
+9,900
+55% +$501K ﹤0.01% 3756
2021
Q4 		$1.45M Buy
+18,100
New +$1.18M ﹤0.01% 3635

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
California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return
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

David Shaw's CALX Position: Q2 2026 in Review

David Shaw increased its Calix (CALX) stake by 1,841% in Q2 2026, buying an estimated $16.3M and bringing the position to 409,082 shares worth $15.3M. The position accounts for 0.01% of the portfolio, ranked #1491.

David Shaw first reported a position in CALX in Q2 2013 and has held it in 45 quarters since. The position peaked at $18.2M in Q2 2020. 286 funds tracked by Wall St. Rank hold CALX as of Q2 2026.

  • David Shaw held 409,082 shares of Calix worth $15.3M as of Q2 2026.
  • David Shaw bought 388,005 Calix shares in Q2 2026, an estimated $16.3M.
  • Calix made up 0.01% of David Shaw's portfolio in Q2 2026, its #1491 holding.
  • David Shaw first reported a position in Calix in Q2 2013 and has held it in 45 quarters since.
  • David Shaw's Calix position peaked at $18.2M in Q2 2020.
  • 286 funds tracked by Wall St. Rank held Calix as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.