Simplex Trading
AXTI icon

Simplex Trading’s AXT Inc AXTI Stock Holding History

Simplex Trading’s Portfolio AXTI Stock Details AXTI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$18.7M Buy
260,100
+146,000
+128% +$13.1M 0.01% 496
2026
Q1 		$6.5M Buy
114,100
+105,200
+1,182% +$3.49M ﹤0.01% 934
2025
Q4 		$146K Buy
+8,900
New +$86K ﹤0.01% 4575
2024
Q4 		– Sell
-3,500
Closed -$8K – 8486
2024
Q3 		$8K Sell
3,500
-8,200
-70% -$23.2K ﹤0.01% 7303
2024
Q2 		$39K Sell
11,700
-26,400
-69% -$92.3K ﹤0.01% 6319
2024
Q1 		$174K Buy
+38,100
New +$129K ﹤0.01% 5008
2023
Q1 		– Sell
-500
Closed -$2K – 8991
2022
Q4 		$2K Sell
500
-700
-58% -$3.41K ﹤0.01% 8519
2022
Q3 		$8K Sell
1,200
-800
-40% -$6.29K ﹤0.01% 8379
2022
Q2 		$11K Sell
2,000
-1,600
-44% -$9.42K ﹤0.01% 8180
2022
Q1 		$25K Buy
3,600
+1,700
+89% +$12.8K ﹤0.01% 7972
2021
Q4 		$16K Sell
1,900
-1,200
-39% -$10.1K ﹤0.01% 8592
2021
Q3 		$33K Buy
3,100
+200
+7% +$1.86K ﹤0.01% 7987
2021
Q2 		$31K Buy
2,900
+2,889
+26,264% +$30.7K ﹤0.01% 8191
2021
Q1 		$12K Hold
11
– – ﹤0.01% 7783
2020
Q4 		$10K Sell
11
-83
-88% -$667 ﹤0.01% 7388
2020
Q3 		$57K Buy
94
+69
+276% +$351 ﹤0.01% 5480
2020
Q2 		$11K Buy
+25
New +$118 ﹤0.01% 6584
2020
Q1 		– Sell
-48
Closed -$20K – 7568
2019
Q4 		$20K Buy
48
+44
+1,100% +$141 ﹤0.01% 5938
2019
Q3 		$1K Sell
4
-9
-69% -$35 ﹤0.01% 7014
2019
Q2 		$5K Sell
13
-5
-28% -$23 ﹤0.01% 6436
2019
Q1 		$8K Buy
18
+11
+157% +$47 ﹤0.01% 6261
2018
Q4 		$3K Sell
7
-257
-97% -$1.43K ﹤0.01% 6395
2018
Q3 		$188K Buy
264
+160
+154% +$1.22K ﹤0.01% 3705
2018
Q2 		$73K Hold
104
– – ﹤0.01% 4643
2018
Q1 		$5K Buy
+104
New +$845 ﹤0.01% 4593

Other funds holding AXTI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
MG
Marex Group London $23.6B AUM 57.16% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Simplex Trading's AXTI Position: Q2 2026 in Review

Simplex Trading reduced its AXT Inc (AXTI) stake by 98% in Q2 2026, selling an estimated $15.3M and leaving 4,078 shares worth $294K. The position accounts for ﹤0.01% of the portfolio, ranked #4250.

Simplex Trading first reported a position in AXTI in Q4 2014 and has held it in 32 quarters since. The position peaked at $9.89M in Q1 2026. 257 funds tracked by Wall St. Rank hold AXTI as of Q2 2026.

  • Simplex Trading held 4,078 shares of AXT Inc worth $294K as of Q2 2026.
  • Simplex Trading sold 169,496 AXT Inc shares in Q2 2026, an estimated $15.3M.
  • AXT Inc made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4250 holding.
  • Simplex Trading first reported a position in AXT Inc in Q4 2014 and has held it in 32 quarters since.
  • Simplex Trading's AXT Inc position peaked at $9.89M in Q1 2026.
  • 257 funds tracked by Wall St. Rank held AXT Inc as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.