Citadel Advisors’s My Size MYSZ Stock Holding History

Citadel Advisors’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	+19,423	New	+$13.2K	﹤0.01%	12743
2025 Q3	–	Sell	-51,211	Closed	-$62.5K	–	13633
2025 Q2	$62.5K	Buy	+51,211	New	+$64.3K	﹤0.01%	11659
2024 Q3	–	Sell	-14,097	Closed	-$36.7K	–	14880
2024 Q2	$36.7K	Buy	+14,097	New	+$51.9K	﹤0.01%	12072
2024 Q1	–	Sell	-1,359	Closed	-$7.28K	–	15166
2023 Q4	$7.28K	Buy	+1,359	New	+$7.88K	﹤0.01%	13296
2022 Q1	–	Sell	-2,293	Closed	-$232K	–	14235
2021 Q4	$232K	Buy	2,293 +2,210	+2,663%	+$424K	﹤0.01%	11541
2021 Q3	$23K	Sell	83 -228	-73%	-$58.4K	﹤0.01%	13630
2021 Q2	$96K	Buy	+311	New	+$74.7K	﹤0.01%	12953
2019 Q4	–	Sell	-14	Closed	-$21K	–	9511
2019 Q3	$21K	Buy	14 +4	+40%	+$6.3K	﹤0.01%	8927
2019 Q2	$21K	Buy	+10	New	+$21.1K	﹤0.01%	8940
2018 Q3	–	Sell	-7	Closed	-$20K	–	9535
2018 Q2	$20K	Sell	7 -49	-88%	-$171K	﹤0.01%	8649
2018 Q1	$234K	Buy	56 +48	+600%	+$247K	﹤0.01%	7103
2017 Q4	$15K	Buy	+8	New	+$18.3K	﹤0.01%	7872

Other funds holding MYSZ

Williams & Novak Westlake Village, California $151M AUM 27.43% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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

Citadel Advisors's MYSZ Position: Q1 2026 in Review

Citadel Advisors opened a new position in My Size (MYSZ) in Q1 2026: 19,423 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: Citadel Advisors previously reported a position in MYSZ as recently as Q2 2025.

Citadel Advisors 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. 8 funds tracked by Wall St. Rank hold MYSZ as of Q1 2026.

Citadel Advisors held 19,423 shares of My Size worth $11.2K as of Q1 2026.
My Size was a new Citadel Advisors position in Q1 2026.
My Size made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #12743 holding.
Citadel Advisors first reported a position in My Size in Q4 2017 and has held it in 12 quarters since.
Citadel Advisors's My Size position peaked at $234K in Q1 2018.
8 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.