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Shannon River Fund Management’s Flex FLEX Stock Holding History

Shannon River Fund Management’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 		$61.6M Buy
379,834
+68,611
+22% +$8.32M 5.49% 2
2026
Q1 		$20.4M Sell
311,223
-2,050
-0.7% -$131K 3.89% 7
2025
Q4 		$18.9M Sell
313,273
-536,143
-63% -$33.1M 2.97% 16
2025
Q3 		$49.2M Sell
849,416
-452,500
-35% -$24M 7.93% 5
2025
Q2 		$65M Buy
1,301,916
+288,334
+28% +$11.2M 8.64% 2
2025
Q1 		$33.5M Buy
1,013,582
+4,526
+0.4% +$177K 8.75% 5
2024
Q4 		$38.7M Sell
1,009,056
-268,205
-21% -$9.93M 5.72% 8
2024
Q3 		$42.7M Buy
1,277,261
+33,286
+3% +$1.02M 5.97% 9
2024
Q2 		$36.7M Buy
1,243,975
+100,706
+9% +$3.01M 5.91% 9
2024
Q1 		$32.7M Sell
1,143,269
-331,722
-22% -$8.7M 7.28% 6
2023
Q4 		$33.9M Sell
1,474,991
-497,808
-25% -$9.96M 6.19% 7
2023
Q3 		$40.1M Sell
1,972,799
-803,144
-29% -$16.3M 7.97% 4
2023
Q2 		$57.8M Sell
2,775,943
-76,934
-3% -$1.37M 14.42% 2
2023
Q1 		$49.5M Sell
2,852,877
-943,708
-25% -$16.3M 11.16% 1
2022
Q4 		$61.4M Sell
3,796,585
-276,469
-7% -$4.15M 15.06% 2
2022
Q3 		$51.1M Sell
4,073,054
-825,486
-17% -$10.5M 21.96% 1
2022
Q2 		$53.4M Sell
4,898,540
-322,952
-6% -$4M 15.18% 1
2022
Q1 		$73M Sell
5,221,492
-1,787,969
-26% -$22.8M 8.1% 2
2021
Q4 		$96.8M Buy
7,009,461
+54,407
+0.8% +$736K 9.82% 2
2021
Q3 		$92.7M Buy
6,955,054
+707,258
+11% +$9.51M 6.54% 4
2021
Q2 		$84.1M Buy
6,247,796
+1,529,880
+32% +$20.8M 6.09% 4
2021
Q1 		$65.1M Sell
4,717,916
-1,453,662
-24% -$20M 4.4% 8
2020
Q4 		$83.6M Buy
6,171,578
+575,737
+10% +$6.65M 7.85% 1
2020
Q3 		$47M Buy
5,595,841
+1,705,504
+44% +$13.9M 5.65% 7
2020
Q2 		$30.1M Sell
3,890,337
-2,049,067
-34% -$14.8M 3.93% 10
2020
Q1 		$37.5M Sell
5,939,404
-1,240,391
-17% -$10.7M 6.33% 5
2019
Q4 		$68.3M Buy
7,179,795
+1,214,001
+20% +$10.5M 9.11% 4
2019
Q3 		$47M Buy
+5,965,794
New +$45.8M 8.17% 5

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

Shannon River Fund Management's FLEX Position: Q2 2026 in Review

Shannon River Fund Management increased its Flex (FLEX) stake by 22% in Q2 2026, buying an estimated $8.32M and bringing the position to 379,834 shares worth $61.6M. The position accounts for 5.49% of the portfolio, ranked #2.

Shannon River Fund Management first reported a position in FLEX in Q3 2019 and has held it in 28 quarters since. The position peaked at $96.8M in Q4 2021. 1,115 funds tracked by Wall St. Rank hold FLEX as of Q2 2026.

  • Shannon River Fund Management held 379,834 shares of Flex worth $61.6M as of Q2 2026.
  • Shannon River Fund Management bought 68,611 Flex shares in Q2 2026, an estimated $8.32M.
  • Flex made up 5.49% of Shannon River Fund Management's portfolio in Q2 2026, its #2 holding.
  • Shannon River Fund Management first reported a position in Flex in Q3 2019 and has held it in 28 quarters since.
  • Shannon River Fund Management's Flex position peaked at $96.8M in Q4 2021.
  • 1,115 funds tracked by Wall St. Rank held Flex as of Q2 2026.

Based on Shannon River Fund Management's 13F filing for Q2 2026, filed 13 Aug 2026.