Ken Griffin
ARKX icon

Ken Griffin’s ARK Space & Defense Innovation ETF ARKX Stock Holding History

Ken Griffin’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 		$7.71M Buy
262,559
+157,937
+151% +$5.05M ﹤0.01% 3638
2025
Q4 		$3.03M Sell
104,622
-15,315
-13% -$447K ﹤0.01% 5135
2025
Q3 		$3.42M Buy
119,937
+74,818
+166% +$1.96M ﹤0.01% 5058
2025
Q2 		$1.09M Sell
45,119
-11,265
-20% -$225K ﹤0.01% 6908
2025
Q1 		$1M Buy
56,384
+37,357
+196% +$738K ﹤0.01% 6959
2024
Q4 		$371K Buy
19,027
+12,988
+215% +$234K ﹤0.01% 9223
2024
Q3 		$97.9K Sell
6,039
-27,340
-82% -$414K ﹤0.01% 11141
2024
Q2 		$498K Sell
33,379
-23,653
-41% -$353K ﹤0.01% 8062
2024
Q1 		$852K Buy
57,032
+41,177
+260% +$602K ﹤0.01% 7268
2023
Q4 		$244K Sell
15,855
-3,369
-18% -$47.3K ﹤0.01% 9566
2023
Q3 		$265K Buy
19,224
+12,724
+196% +$186K ﹤0.01% 9384
2023
Q2 		$98.8K Buy
6,500
+2,936
+82% +$40.8K ﹤0.01% 10961
2023
Q1 		$49.9K Buy
3,564
+3,401
+2,087% +$46.5K ﹤0.01% 12144
2022
Q4 		$2.02K Buy
+163
New +$2.09K ﹤0.01% 14387
2022
Q3 		– Sell
-27,598
Closed -$393K – 12555
2022
Q2 		$371K Sell
27,598
-47,664
-63% -$721K ﹤0.01% 9311
2022
Q1 		$1.35M Sell
75,262
-53,487
-42% -$910K ﹤0.01% 6990
2021
Q4 		$2.43M Sell
128,749
-129,004
-50% -$2.54M ﹤0.01% 5793
2021
Q3 		$5.04M Buy
257,753
+111,507
+76% +$2.28M ﹤0.01% 4279
2021
Q2 		$3.07M Buy
+146,246
New +$3M ﹤0.01% 5544

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 $3.16B AUM 19.52% 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 $324B AUM 22.36% 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 $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
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

Ken Griffin's ARKX Position: Q1 2026 in Review

Ken Griffin increased its ARK Space & Defense Innovation ETF (ARKX) stake by 151% in Q1 2026, buying an estimated $5.05M and bringing the position to 262,559 shares worth $7.71M. The position accounts for ﹤0.01% of the portfolio, ranked #3638.

Ken Griffin first reported a position in ARKX in Q2 2021 and has held it in 19 quarters since. 128 funds tracked by Wall St. Rank hold ARKX as of Q1 2026.

  • Ken Griffin held 262,559 shares of ARK Space & Defense Innovation ETF worth $7.71M as of Q1 2026.
  • Ken Griffin bought 157,937 ARK Space & Defense Innovation ETF shares in Q1 2026, an estimated $5.05M.
  • ARK Space & Defense Innovation ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #3638 holding.
  • Ken Griffin first reported a position in ARK Space & Defense Innovation ETF in Q2 2021 and has held it in 19 quarters since.
  • 128 funds tracked by Wall St. Rank held ARK Space & Defense Innovation ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.