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FLEX icon

Cubist Systematic Strategies’s Flex FLEX Stock Holding History

Cubist Systematic Strategies’s Portfolio FLEX Stock Details FLEX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$11.6M Buy
+200,606
New +$10.7M 0.06% 486
2024
Q3 		– Sell
-54,676
Closed -$1.61M – 3144
2024
Q2 		$1.61M Sell
54,676
-225,053
-80% -$6.74M 0.01% 1463
2024
Q1 		$8M Buy
279,729
+168,613
+152% +$4.42M 0.05% 664
2023
Q4 		$2.55M Buy
+111,116
New +$2.22M 0.02% 1335
2023
Q3 		– Sell
-551,296
Closed -$11.2M – 3529
2023
Q2 		$11.5M Sell
551,296
-287,302
-34% -$5.12M 0.08% 372
2023
Q1 		$14.5M Buy
838,598
+129,071
+18% +$2.23M 0.09% 268
2022
Q4 		$11.5M Buy
709,527
+417,596
+143% +$6.27M 0.07% 405
2022
Q3 		$3.67M Sell
291,931
-4,218
-1% -$53.9K 0.02% 1377
2022
Q2 		$3.23M Buy
296,149
+54,612
+23% +$677K 0.02% 1386
2022
Q1 		$3.38M Sell
241,537
-35,647
-13% -$455K 0.03% 1049
2021
Q4 		$3.83M Buy
277,184
+218,584
+373% +$2.96M 0.04% 836
2021
Q3 		$781K Sell
58,600
-187,807
-76% -$2.52M 0.01% 1715
2021
Q2 		$3.32M Sell
246,407
-63,231
-20% -$859K 0.04% 773
2021
Q1 		$4.27M Buy
309,638
+249,927
+419% +$3.44M 0.05% 524
2020
Q4 		$809K Sell
59,711
-95,860
-62% -$1.11M 0.01% 1513
2020
Q3 		$1.31M Sell
155,571
-322,481
-67% -$2.63M 0.02% 1174
2020
Q2 		$3.69M Buy
478,052
+462,192
+2,914% +$3.33M 0.06% 484
2020
Q1 		$100K Sell
15,860
-470,953
-97% -$4.07M ﹤0.01% 1911
2019
Q4 		$4.63M Buy
486,813
+293,806
+152% +$2.53M 0.08% 338
2019
Q3 		$1.52M Sell
193,007
-155,734
-45% -$1.2M 0.03% 763
2019
Q2 		$2.52M Buy
+348,741
New +$2.68M 0.05% 585
2018
Q2 		– Sell
-356,220
Closed -$4.38M – 1863
2018
Q1 		$4.38M Buy
356,220
+289,605
+435% +$3.95M 0.26% 70
2017
Q4 		$903K Sell
66,615
-3,971
-6% -$53.7K 0.05% 536
2017
Q3 		$881K Sell
70,586
-106,976
-60% -$1.32M 0.05% 498
2017
Q2 		$2.18M Buy
177,562
+148,246
+506% +$1.84M 0.14% 168
2017
Q1 		$371K Sell
29,316
-126,373
-81% -$1.51M 0.03% 797
2016
Q4 		$1.69M Buy
155,689
+104,962
+207% +$1.12M 0.13% 198
2016
Q3 		$521K Sell
50,727
-210,356
-81% -$2.04M 0.03% 694
2016
Q2 		$2.32M Sell
261,083
-351,249
-57% -$3.27M 0.13% 162
2016
Q1 		$5.57M Buy
612,332
+63,880
+12% +$513K 0.32% 42
2015
Q4 		$4.63M Buy
548,452
+407,302
+289% +$3.44M 0.27% 56
2015
Q3 		$1.12M Buy
141,150
+5,556
+4% +$45.1K 0.06% 515
2015
Q2 		$1.16M Sell
135,594
-318,037
-70% -$2.93M 0.06% 489
2015
Q1 		$4.33M Buy
453,631
+232,265
+105% +$2.04M 0.21% 93
2014
Q4 		$1.86M Buy
221,366
+155,750
+237% +$1.23M 0.1% 271
2014
Q3 		$510K Buy
65,616
+2,856
+5% +$23.3K 0.03% 809
2014
Q2 		$524K Buy
+62,760
New +$473K 0.03% 725

Other funds holding FLEX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
LAM
Lyrical Asset Management New York $6.56B AUM 20.06% 1-Year Est. Return

Cubist Systematic Strategies's FLEX Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in Flex (FLEX) in Q3 2025: 200,606 shares worth $11.6M. The stake represents 0.06% of the portfolio and ranks #486 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in FLEX as recently as Q2 2024.

Cubist Systematic Strategies first reported a position in FLEX in Q2 2014 and has held it in 37 quarters since. The position peaked at $14.5M in Q1 2023. 698 funds tracked by Wall St. Rank hold FLEX as of Q3 2025.

  • Cubist Systematic Strategies held 200,606 shares of Flex worth $11.6M as of Q3 2025.
  • Flex was a new Cubist Systematic Strategies position in Q3 2025.
  • Flex made up 0.06% of Cubist Systematic Strategies's portfolio in Q3 2025, its #486 holding.
  • Cubist Systematic Strategies first reported a position in Flex in Q2 2014 and has held it in 37 quarters since.
  • Cubist Systematic Strategies's Flex position peaked at $14.5M in Q1 2023.
  • 698 funds tracked by Wall St. Rank held Flex as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.