Simplex Trading
GSIT icon

Simplex Trading’s GSI Technology GSIT Stock Holding History

Simplex Trading’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
Q1 		$146K Sell
28,400
-600
-2% -$4.35K ﹤0.01% 4663
2025
Q4 		$180K Buy
+29,000
New +$207K ﹤0.01% 4335
2025
Q2 		– Sell
-8,200
Closed -$16K – 9067
2025
Q1 		$16K Buy
8,200
+6,100
+290% +$17.8K ﹤0.01% 6750
2024
Q4 		$6K Sell
2,100
-3,100
-60% -$9.76K ﹤0.01% 7499
2024
Q3 		$15K Buy
5,200
+600
+13% +$1.64K ﹤0.01% 6886
2024
Q2 		$12K Sell
4,600
-17,000
-79% -$55.4K ﹤0.01% 7289
2024
Q1 		$73K Buy
+21,600
New +$62.4K ﹤0.01% 5912
2023
Q4 		– Sell
-1,600
Closed -$4K – 9190
2023
Q3 		$4K Sell
1,600
-11,000
-87% -$42.7K ﹤0.01% 7764
2023
Q2 		$69K Buy
+12,600
New +$54.7K ﹤0.01% 5492
2022
Q4 		– Sell
-1,000
Closed -$2K – 9635
2022
Q3 		$2K Hold
1,000
– – ﹤0.01% 9281
2022
Q2 		$3K Buy
+1,000
New +$3.6K ﹤0.01% 9142
2022
Q1 		– Sell
-2,300
Closed -$10K – 10761
2021
Q4 		$10K Buy
+2,300
New +$12.1K ﹤0.01% 9027
2021
Q2 		– Sell
-2
Closed -$1K – 10271
2021
Q1 		$1K Hold
2
– – ﹤0.01% 8557
2020
Q4 		$1K Buy
+2
New +$13 ﹤0.01% 8109
2017
Q4 		– Sell
-6
Closed -$1K – 6231
2017
Q3 		$1K Buy
6
+1
+20% +$7 ﹤0.01% 5426
2017
Q2 		$1K Buy
+5
New +$40 ﹤0.01% 5612

Other funds holding GSIT

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SBCM
Silverberg Bernstein Capital Management Armonk, New York $261M AUM 89.93% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Simplex Trading's GSIT Position: Q1 2026 in Review

Simplex Trading reduced its GSI Technology (GSIT) stake by 81% in Q1 2026, selling an estimated $513K and leaving 16,567 shares worth $85.2K. The position accounts for ﹤0.01% of the portfolio, ranked #5282.

Simplex Trading first reported a position in GSIT in Q3 2019 and has held it in 20 quarters since. The position peaked at $542K in Q4 2025. 70 funds tracked by Wall St. Rank hold GSIT as of Q1 2026.

  • Simplex Trading held 16,567 shares of GSI Technology worth $85.2K as of Q1 2026.
  • Simplex Trading sold 70,747 GSI Technology shares in Q1 2026, an estimated $513K.
  • GSI Technology made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #5282 holding.
  • Simplex Trading first reported a position in GSI Technology in Q3 2019 and has held it in 20 quarters since.
  • Simplex Trading's GSI Technology position peaked at $542K in Q4 2025.
  • 70 funds tracked by Wall St. Rank held GSI Technology as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.