Ken Griffin
MYSZ icon

Ken Griffin’s My Size MYSZ Stock Holding History

Ken Griffin’s Portfolio MYSZ Stock Details MYSZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$11.2K Buy
+2,428
New +$13.2K ﹤0.01% 12743
2025
Q3 		– Sell
-6,401
Closed -$62.5K – 13633
2025
Q2 		$62.5K Buy
+6,401
New +$64.3K ﹤0.01% 11659
2024
Q3 		– Sell
-1,762
Closed -$36.7K – 14880
2024
Q2 		$36.7K Buy
+1,762
New +$51.9K ﹤0.01% 12072
2024
Q1 		– Sell
-170
Closed -$7.28K – 15166
2023
Q4 		$7.28K Buy
+170
New +$7.89K ﹤0.01% 13296
2022
Q1 		– Sell
-287
Closed -$232K – 14235
2021
Q4 		$232K Buy
287
+277
+2,770% +$425K ﹤0.01% 11541
2021
Q3 		$23K Sell
10
-29
-74% -$59.4K ﹤0.01% 13630
2021
Q2 		$96K Buy
+39
New +$75K ﹤0.01% 12953
2019
Q4 		– Sell
-2
Closed -$21K – 9511
2019
Q3 		$21K Buy
2
+1
+100% +$12.6K ﹤0.01% 8927
2019
Q2 		$21K Buy
+1
New +$16.9K ﹤0.01% 8940
2018
Q3 		– Sell
-1
Closed -$20K – 9535
2018
Q2 		$20K Sell
1
-6
-86% -$167K ﹤0.01% 8649
2018
Q1 		$234K Buy
7
+6
+600% +$247K ﹤0.01% 7103
2017
Q4 		$15K Buy
+1
New +$18.3K ﹤0.01% 7872

Other funds holding MYSZ

WN
Williams & Novak Westlake Village, California $151M AUM 27.43% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
JFGIW
Johnson Financial Group Inc (Wisconsin) Racine, Wisconsin $3.04B AUM 22.4% 1-Year Est. Return

Ken Griffin's MYSZ Position: Q1 2026 in Review

Ken Griffin opened a new position in My Size (MYSZ) in Q1 2026: 2,428 shares worth $11.2K. The stake represents ﹤0.01% of the portfolio and ranks #12743 among its holdings. This is a return to the name: Ken Griffin previously reported a position in MYSZ as recently as Q2 2025.

Ken Griffin first reported a position in MYSZ in Q4 2017 and has held it in 12 quarters since. The position peaked at $234K in Q1 2018. 7 funds tracked by Wall St. Rank hold MYSZ as of Q1 2026.

  • Ken Griffin held 2,428 shares of My Size worth $11.2K as of Q1 2026.
  • My Size was a new Ken Griffin position in Q1 2026.
  • My Size made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #12743 holding.
  • Ken Griffin first reported a position in My Size in Q4 2017 and has held it in 12 quarters since.
  • Ken Griffin's My Size position peaked at $234K in Q1 2018.
  • 7 funds tracked by Wall St. Rank held My Size as of Q1 2026.

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