Jane Street
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Jane Street’s ARK Space & Defense Innovation ETF ARKX Stock Holding History

Jane Street’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
2025
Q2 		– Sell
-10,352
Closed -$207K – 9566
2025
Q1 		$184K Sell
10,352
-6,411
-38% -$127K ﹤0.01% 8510
2024
Q4 		$327K Sell
16,763
-28,687
-63% -$517K ﹤0.01% 7597
2024
Q3 		$737K Sell
45,450
-341,082
-88% -$5.16M ﹤0.01% 6510
2024
Q2 		$5.77M Buy
386,532
+49,792
+15% +$743K ﹤0.01% 2767
2024
Q1 		$5.03M Buy
336,740
+134,933
+67% +$1.97M ﹤0.01% 2596
2023
Q4 		$3.11M Buy
201,807
+53,699
+36% +$754K ﹤0.01% 3579
2023
Q3 		$2.04M Sell
148,108
-201,622
-58% -$2.95M ﹤0.01% 4030
2023
Q2 		$5.32M Sell
349,730
-57,339
-14% -$797K ﹤0.01% 2646
2023
Q1 		$5.7M Sell
407,069
-285,102
-41% -$3.89M ﹤0.01% 2270
2022
Q4 		$8.58M Buy
692,171
+537,334
+347% +$6.89M ﹤0.01% 1792
2022
Q3 		$1.91M Buy
154,837
+122,423
+378% +$1.74M ﹤0.01% 4267
2022
Q2 		$435K Sell
32,414
-536,132
-94% -$8.11M ﹤0.01% 6977
2022
Q1 		$10.2M Buy
568,546
+190,809
+51% +$3.25M ﹤0.01% 1967
2021
Q4 		$7.12M Buy
377,737
+209,034
+124% +$4.12M ﹤0.01% 2331
2021
Q3 		$3.3M Buy
+168,703
New +$3.45M ﹤0.01% 3480
2021
Q2 		– Sell
-1,077,187
Closed -$22.2M – 9730
2021
Q1 		$22.2M Buy
+1,077,187
New +$22M 0.01% 896

Other funds holding ARKX

LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $2.43B AUM 44.44% 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 $44.6B AUM 28.94% 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 $369B AUM 28.27% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $11.7B AUM 87.29% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
GS
GTS Securities New York $2.83B AUM 21.76% 1-Year Est. Return

Jane Street's ARKX Position: Q2 2025 in Review

Jane Street sold out of ARK Space & Defense Innovation ETF (ARKX) in Q2 2025, closing a stake of 10,352 shares — an estimated $207K sold.

Jane Street first reported a position in ARKX in Q1 2021 and held it in 16 quarters. The position peaked at $22.2M in Q1 2021. 84 funds tracked by Wall St. Rank hold ARKX as of Q2 2025.

  • Jane Street reported no remaining ARK Space & Defense Innovation ETF position as of Q2 2025 after selling out during the quarter.
  • Jane Street sold 10,352 ARK Space & Defense Innovation ETF shares in Q2 2025, an estimated $207K.
  • Jane Street first reported a position in ARK Space & Defense Innovation ETF in Q1 2021 and held it in 16 quarters.
  • Jane Street's ARK Space & Defense Innovation ETF position peaked at $22.2M in Q1 2021.
  • 84 funds tracked by Wall St. Rank held ARK Space & Defense Innovation ETF as of Q2 2025.

Based on Jane Street's 13F filing for Q2 2025, filed 14 Aug 2025.