Simplex Trading
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Simplex Trading’s ARK Space & Defense Innovation ETF ARKX Stock Holding History

Simplex Trading’s Portfolio ARKX Stock Details ARKX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$29.6M Sell
470,000
-740,700
-61% -$23.7M 0.02% 331
2025
Q4 		$83.6M Sell
1,210,700
-2,248,500
-65% -$65.7M 0.05% 185
2025
Q3 		$275M Buy
3,459,200
+375,700
+12% +$9.86M 0.14% 69
2025
Q2 		$202M Buy
3,083,500
+1,634,100
+113% +$32.6M 0.12% 87
2025
Q1 		$57.6M Sell
1,449,400
-841,800
-37% -$16.6M 0.04% 244
2024
Q4 		$118M Buy
2,291,200
+843,400
+58% +$15.2M 0.07% 146
2024
Q3 		$61.5M Sell
1,447,800
-47,000
-3% -$711K 0.04% 266
2024
Q2 		$56.4M Sell
1,494,800
-497,700
-25% -$7.43M 0.03% 279
2024
Q1 		$85.1M Sell
1,992,500
-2,244,200
-53% -$32.8M 0.05% 209
2023
Q4 		$211M Buy
4,236,700
+2,103,700
+99% +$29.5M 0.13% 74
2023
Q3 		$82.8M Buy
2,133,000
+22,000
+1% +$322K 0.07% 169
2023
Q2 		$92M Sell
2,111,000
-1,210,800
-36% -$16.8M 0.08% 154
2023
Q1 		$133M Buy
3,321,800
+1,380,200
+71% +$18.9M 0.12% 112
2022
Q4 		$59.6M Sell
1,941,600
-831,100
-30% -$10.7M 0.06% 230
2022
Q3 		$103M Sell
2,772,700
-39,300
-1% -$560K 0.12% 110
2022
Q2 		$103M Sell
2,812,000
-1,441,600
-34% -$21.8M 0.11% 113
2022
Q1 		$260M Buy
4,253,600
+2,461,000
+137% +$41.9M 0.24% 46
2021
Q4 		$138M Sell
1,792,600
-203,500
-10% -$4.01M 0.14% 108
2021
Q3 		$227M Buy
1,996,100
+79,900
+4% +$1.64M 0.21% 52
2021
Q2 		$219M Buy
+1,916,200
New +$39.3M 0.21% 52

Other funds holding ARKX

LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $38.8B AUM 21.88% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $8.4B AUM 63.34% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
GS
GTS Securities New York $2.83B AUM 21.76% 1-Year Est. Return

Simplex Trading's ARKX Position: Q3 2025 in Review

Simplex Trading sold out of ARK Space & Defense Innovation ETF (ARKX) in Q3 2025, closing a stake of 10,078 shares — an estimated $264K sold.

Simplex Trading first reported a position in ARKX in Q2 2021 and held it in 9 quarters. The position peaked at $601K in Q4 2021. 96 funds tracked by Wall St. Rank hold ARKX as of Q3 2025.

  • Simplex Trading reported no remaining ARK Space & Defense Innovation ETF position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 10,078 ARK Space & Defense Innovation ETF shares in Q3 2025, an estimated $264K.
  • Simplex Trading first reported a position in ARK Space & Defense Innovation ETF in Q2 2021 and held it in 9 quarters.
  • Simplex Trading's ARK Space & Defense Innovation ETF position peaked at $601K in Q4 2021.
  • 96 funds tracked by Wall St. Rank held ARK Space & Defense Innovation ETF as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.