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John Overdeck’s GSI Technology GSIT Stock Holding History

John Overdeck’s Portfolio GSIT Stock Details GSIT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.77M Buy
875,894
+345,690
+65% +$2.75M ﹤0.01% 1858
2026
Q1 		$2.73M Buy
530,204
+29,840
+6% +$217K ﹤0.01% 2515
2025
Q4 		$3.11M Buy
500,364
+109,106
+28% +$778K ﹤0.01% 2120
2025
Q3 		$1.44M Buy
391,258
+124,360
+47% +$469K ﹤0.01% 2344
2025
Q2 		$897K Buy
266,898
+23,779
+10% +$72.5K ﹤0.01% 2308
2025
Q1 		$494K Buy
243,119
+173,159
+248% +$506K ﹤0.01% 2527
2024
Q4 		$212K Buy
69,960
+11,149
+19% +$35.1K ﹤0.01% 2859
2024
Q3 		$179K Sell
58,811
-9,690
-14% -$26.4K ﹤0.01% 2816
2024
Q2 		$182K Sell
68,501
-28,334
-29% -$92.3K ﹤0.01% 2747
2024
Q1 		$329K Sell
96,835
-25,810
-21% -$74.6K ﹤0.01% 2519
2023
Q4 		$324K Buy
122,645
+9,798
+9% +$24.6K ﹤0.01% 2663
2023
Q3 		$306K Buy
+112,847
New +$438K ﹤0.01% 2483
2017
Q3 		– Sell
-32,443
Closed -$255K – 2909
2017
Q2 		$255K Sell
32,443
-13,329
-29% -$106K ﹤0.01% 2702
2017
Q1 		$398K Buy
+45,772
New +$315K ﹤0.01% 2463
2015
Q3 		– Sell
-13,817
Closed -$72K – 2400
2015
Q2 		$72K Sell
13,817
-1,000
-7% -$5.3K ﹤0.01% 2729
2015
Q1 		$87K Sell
14,817
-1,600
-10% -$8.78K ﹤0.01% 2559
2014
Q4 		$82K Sell
16,417
-20,528
-56% -$102K ﹤0.01% 2144
2014
Q3 		$200K Sell
36,945
-11,934
-24% -$69.2K ﹤0.01% 1599
2014
Q2 		$291K Buy
48,879
+19,403
+66% +$116K ﹤0.01% 1847
2014
Q1 		$204K Buy
29,476
+5,931
+25% +$40.3K ﹤0.01% 1812
2013
Q4 		$156K Sell
23,545
-1,256
-5% -$8.48K ﹤0.01% 2040
2013
Q3 		$175K Buy
24,801
+2,118
+9% +$14.2K ﹤0.01% 1675
2013
Q2 		$144K Buy
+22,683
New +$140K ﹤0.01% 1841

Other funds holding GSIT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
SBCM
Silverberg Bernstein Capital Management Armonk, New York $261M AUM 89.93% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

John Overdeck's GSIT Position: Q2 2026 in Review

John Overdeck increased its GSI Technology (GSIT) stake by 65% in Q2 2026, buying an estimated $2.75M and bringing the position to 875,894 shares worth $6.77M. The position accounts for ﹤0.01% of the portfolio, ranked #1858.

John Overdeck first reported a position in GSIT in Q2 2013 and has held it in 23 quarters since. 88 funds tracked by Wall St. Rank hold GSIT as of Q2 2026.

  • John Overdeck held 875,894 shares of GSI Technology worth $6.77M as of Q2 2026.
  • John Overdeck bought 345,690 GSI Technology shares in Q2 2026, an estimated $2.75M.
  • GSI Technology made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #1858 holding.
  • John Overdeck first reported a position in GSI Technology in Q2 2013 and has held it in 23 quarters since.
  • 88 funds tracked by Wall St. Rank held GSI Technology as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.