Renaissance Technologies’s Calix CALX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$26.6M Buy
543,418
+79,800
+17% +$4.19M 0.04% 548
2025
Q4
$24.5M Buy
463,618
+202,800
+78% +$11.8M 0.04% 516
2025
Q3
$16M Buy
260,818
+23,200
+10% +$1.34M 0.02% 844
2025
Q2
$12.6M Buy
237,618
+132,300
+126% +$5.66M 0.02% 931
2025
Q1
$3.73M Sell
105,318
-55,101
-34% -$2.04M 0.01% 1600
2024
Q4
$5.59M Sell
160,419
-43,499
-21% -$1.53M 0.01% 1374
2024
Q3
$7.91M Buy
203,918
+125,400
+160% +$4.61M 0.01% 1164
2024
Q2
$2.78M Buy
78,518
+46,300
+144% +$1.49M ﹤0.01% 1664
2024
Q1
$1.07M Buy
32,218
+7,518
+30% +$280K ﹤0.01% 2444
2023
Q4
$1.08M Sell
24,700
-127,053
-84% -$5.08M ﹤0.01% 2356
2023
Q3
$6.96M Sell
151,753
-473,000
-76% -$21.4M 0.01% 1117
2023
Q2
$31.2M Sell
624,753
-225,900
-27% -$10.9M 0.04% 470
2023
Q1
$45.6M Buy
850,653
+175,218
+26% +$9.55M 0.06% 379
2022
Q4
$46.2M Sell
675,435
-122,265
-15% -$8.22M 0.06% 362
2022
Q3
$48.8M Sell
797,700
-346,123
-30% -$18.5M 0.07% 331
2022
Q2
$39M Sell
1,143,823
-303,895
-21% -$11.3M 0.05% 437
2022
Q1
$62.1M Buy
1,447,718
+22,391
+2% +$1.13M 0.07% 287
2021
Q4
$114M Sell
1,425,327
-303,291
-18% -$19.8M 0.14% 153
2021
Q3
$85.4M Sell
1,728,618
-339,800
-16% -$15.7M 0.11% 200
2021
Q2
$98.3M Sell
2,068,418
-332,800
-14% -$14.6M 0.12% 160
2021
Q1
$83.2M Sell
2,401,218
-568,300
-19% -$21M 0.1% 202
2020
Q4
$88.4M Buy
2,969,518
+262,318
+10% +$6.48M 0.1% 212
2020
Q3
$48.1M Sell
2,707,200
-147,900
-5% -$2.79M 0.05% 392
2020
Q2
$42.5M Sell
2,855,100
-149,118
-5% -$1.71M 0.04% 482
2020
Q1
$21.3M Buy
3,004,218
+289,700
+11% +$2.44M 0.02% 739
2019
Q4
$21.7M Sell
2,714,518
-84,400
-3% -$629K 0.02% 959
2019
Q3
$17.9M Sell
2,798,918
-221,800
-7% -$1.4M 0.02% 1025
2019
Q2
$19.8M Buy
3,020,718
+37,900
+1% +$256K 0.02% 972
2019
Q1
$23M Buy
2,982,818
+76,900
+3% +$678K 0.02% 908
2018
Q4
$28.3M Buy
2,905,918
+195,018
+7% +$1.7M 0.03% 694
2018
Q3
$22M Sell
2,710,900
-14,200
-0.5% -$108K 0.02% 883
2018
Q2
$21.3M Sell
2,725,100
-600
-0% -$4.23K 0.02% 886
2018
Q1
$18.7M Buy
2,725,700
+86,500
+3% +$558K 0.02% 973
2017
Q4
$15.7M Sell
2,639,200
-74,300
-3% -$450K 0.02% 1111
2017
Q3
$13.7M Buy
2,713,500
+87,482
+3% +$499K 0.02% 1139
2017
Q2
$18M Buy
2,626,018
+214,418
+9% +$1.45M 0.02% 916
2017
Q1
$17.5M Buy
2,411,600
+43,400
+2% +$307K 0.02% 883
2016
Q4
$18.2M Buy
2,368,200
+117,000
+5% +$852K 0.03% 849
2016
Q3
$16.5M Buy
2,251,200
+124,900
+6% +$936K 0.03% 822
2016
Q2
$14.7M Buy
2,126,300
+132,000
+7% +$903K 0.03% 894
2016
Q1
$14.1M Buy
1,994,300
+205,400
+11% +$1.45M 0.03% 897
2015
Q4
$14.1M Buy
1,788,900
+193,200
+12% +$1.51M 0.03% 752
2015
Q3
$12.4M Buy
1,595,700
+186,200
+13% +$1.42M 0.03% 794
2015
Q2
$10.7M Buy
1,409,500
+276,882
+24% +$2.26M 0.02% 904
2015
Q1
$9.5M Buy
1,132,618
+179,600
+19% +$1.61M 0.02% 964
2014
Q4
$9.55M Buy
953,018
+366,618
+63% +$3.65M 0.02% 912
2014
Q3
$5.61M Sell
586,400
-401,408
-41% -$3.73M 0.02% 1099
2014
Q2
$8.08M Sell
987,808
-463,910
-32% -$3.79M 0.02% 962
2014
Q1
$12.2M Buy
1,451,718
+722,900
+99% +$6.06M 0.03% 751
2013
Q4
$7.03M Buy
728,818
+280,700
+63% +$3M 0.02% 986
2013
Q3
$5.71M Buy
448,118
+90,800
+25% +$1.11M 0.01% 1085
2013
Q2
$3.61M Buy
+357,318
New +$3.33M 0.01% 1276

Other funds holding CALX

Renaissance Technologies's CALX Position: Q1 2026 in Review

Renaissance Technologies increased its Calix (CALX) stake by 17% in Q1 2026, buying an estimated $4.19M and bringing the position to 543,418 shares worth $26.6M. The position accounts for 0.04% of the portfolio, ranked #548.

Renaissance Technologies first reported a position in CALX in Q2 2013 and has held it in 52 quarters since. The position peaked at $114M in Q4 2021. 309 funds tracked by Wall St. Rank hold CALX as of Q1 2026.

  • Renaissance Technologies held 543,418 shares of Calix worth $26.6M as of Q1 2026.
  • Renaissance Technologies bought 79,800 Calix shares in Q1 2026, an estimated $4.19M.
  • Calix made up 0.04% of Renaissance Technologies's portfolio in Q1 2026, its #548 holding.
  • Renaissance Technologies first reported a position in Calix in Q2 2013 and has held it in 52 quarters since.
  • Renaissance Technologies's Calix position peaked at $114M in Q4 2021.
  • 309 funds tracked by Wall St. Rank held Calix as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.