Ken Griffin
ZYXI

Ken Griffin’s Zynex ZYXI Stock Holding History

Ken Griffin’s Portfolio ZYXI Stock Details ZYXI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-7,000
Closed -$15.4K – 15464
2025
Q1 		$15.4K Buy
7,000
+3,900
+126% +$25.4K ﹤0.01% 13319
2024
Q4 		$24.8K Buy
3,100
+2,900
+1,450% +$23.9K ﹤0.01% 13035
2024
Q3 		$1.63K Buy
+200
New +$1.69K ﹤0.01% 13824
2024
Q2 		– Sell
-1,800
Closed -$22.3K – 15590
2024
Q1 		$22.3K Buy
+1,800
New +$21.6K ﹤0.01% 12936
2023
Q4 		– Sell
-100
Closed -$800 – 15405
2023
Q3 		$800 Sell
100
-1,300
-93% -$10.9K ﹤0.01% 13978
2023
Q2 		$13.4K Buy
+1,400
New +$14.5K ﹤0.01% 13041
2023
Q1 		– Sell
-11,500
Closed -$160K – 15636
2022
Q4 		$160K Sell
11,500
-6,500
-36% -$78.6K ﹤0.01% 10508
2022
Q3 		$163K Sell
18,000
-11,510
-39% -$101K ﹤0.01% 10621
2022
Q2 		$235K Sell
29,510
-3,680
-11% -$26.1K ﹤0.01% 10349
2022
Q1 		$207K Sell
33,190
-15,540
-32% -$109K ﹤0.01% 11460
2021
Q4 		$442K Sell
48,730
-83,710
-63% -$928K ﹤0.01% 9986
2021
Q3 		$1.37M Buy
132,440
+73,150
+123% +$940K ﹤0.01% 7331
2021
Q2 		$837K Sell
59,290
-23,760
-29% -$329K ﹤0.01% 8824
2021
Q1 		$1.15M Sell
83,050
-82,280
-50% -$1.26M ﹤0.01% 7751
2020
Q4 		$2.02M Buy
165,330
+134,860
+443% +$1.75M ﹤0.01% 5333
2020
Q3 		$483K Sell
30,470
-41,690
-58% -$704K ﹤0.01% 7362
2020
Q2 		$1.63M Buy
72,160
+36,740
+104% +$615K ﹤0.01% 4926
2020
Q1 		$356K Buy
35,420
+18,700
+112% +$182K ﹤0.01% 7026
2019
Q4 		$120K Buy
+16,720
New +$147K ﹤0.01% 8475

Other funds holding ZYXI

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Two Sigma Advisers
Two Sigma Advisers New York $51.4B AUM 31.07% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Ken Griffin's ZYXI Position: Q3 2025 in Review

Ken Griffin sold out of Zynex (ZYXI) in Q3 2025, closing a stake of 52,304 shares — an estimated $135K sold.

Ken Griffin first reported a position in ZYXI in Q1 2020 and held it in 19 quarters. The position peaked at $2.22M in Q1 2022. 56 funds tracked by Wall St. Rank hold ZYXI as of Q3 2025.

  • Ken Griffin reported no remaining Zynex position as of Q3 2025 after selling out during the quarter.
  • Ken Griffin sold 52,304 Zynex shares in Q3 2025, an estimated $135K.
  • Ken Griffin first reported a position in Zynex in Q1 2020 and held it in 19 quarters.
  • Ken Griffin's Zynex position peaked at $2.22M in Q1 2022.
  • 56 funds tracked by Wall St. Rank held Zynex as of Q3 2025.

Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.