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CenterBook Partners’s Flex FLEX Stock Holding History

CenterBook Partners’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
2026
Q2 		$6.11M Buy
37,714
+31,931
+552% +$3.87M 0.3% 84
2026
Q1 		$379K Sell
5,783
-4,178
-42% -$267K 0.02% 520
2025
Q4 		$602K Buy
9,961
+807
+9% +$49.9K 0.03% 465
2025
Q3 		$531K Sell
9,154
-5,685
-38% -$302K 0.03% 468
2025
Q2 		$741K Buy
+14,839
New +$578K 0.04% 369
2024
Q4 		– Sell
-37,921
Closed -$1.27M – 508
2024
Q3 		$1.27M Sell
37,921
-55,955
-60% -$1.72M 0.08% 267
2024
Q2 		$2.77M Sell
93,876
-16,825
-15% -$504K 0.17% 217
2024
Q1 		$3.17M Sell
110,701
-36,658
-25% -$961K 0.22% 174
2023
Q4 		$3.38M Buy
147,359
+92,071
+167% +$1.84M 0.41% 66
2023
Q3 		$1.12M Sell
55,288
-9,669
-15% -$196K 0.14% 236
2023
Q2 		$1.35M Sell
64,957
-22,455
-26% -$400K 0.17% 204
2023
Q1 		$1.52M Sell
87,412
-29,284
-25% -$507K 0.21% 157
2022
Q4 		$1.89M Sell
116,696
-111,702
-49% -$1.68M 0.31% 112
2022
Q3 		$2.87M Sell
228,398
-128,824
-36% -$1.65M 0.55% 35
2022
Q2 		$3.9M Buy
357,222
+216,551
+154% +$2.68M 0.83% 18
2022
Q1 		$1.97M Buy
140,671
+96,252
+217% +$1.23M 0.7% 22
2021
Q4 		$614K Buy
+44,419
New +$601K 0.36% 103

Other funds holding FLEX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

CenterBook Partners's FLEX Position: Q2 2026 in Review

CenterBook Partners increased its Flex (FLEX) stake by 552% in Q2 2026, buying an estimated $3.87M and bringing the position to 37,714 shares worth $6.11M. The position accounts for 0.3% of the portfolio, ranked #84.

CenterBook Partners first reported a position in FLEX in Q4 2021 and has held it in 17 quarters since. 1,113 funds tracked by Wall St. Rank hold FLEX as of Q2 2026.

  • CenterBook Partners held 37,714 shares of Flex worth $6.11M as of Q2 2026.
  • CenterBook Partners bought 31,931 Flex shares in Q2 2026, an estimated $3.87M.
  • Flex made up 0.3% of CenterBook Partners's portfolio in Q2 2026, its #84 holding.
  • CenterBook Partners first reported a position in Flex in Q4 2021 and has held it in 17 quarters since.
  • 1,113 funds tracked by Wall St. Rank held Flex as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.