Citadel Advisors
WEEK

Citadel Advisors’s Roundhill Weekly T-Bill ETF WEEK Stock Holding History

Citadel Advisors’s Portfolio WEEK Stock Details WEEK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-5,252
Closed -$525K – 15239
2026
Q1 		$525K Buy
5,252
+2,518
+92% +$252K ﹤0.01% 9185
2025
Q4 		$274K Buy
2,734
+415
+18% +$41.5K ﹤0.01% 10348
2025
Q3 		$232K Buy
+2,319
New +$232K ﹤0.01% 10916

Other funds holding WEEK

ETC
Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Citadel Advisors's WEEK Position: Q2 2026 in Review

Citadel Advisors sold out of Roundhill Weekly T-Bill ETF (WEEK) in Q2 2026, closing a stake of 5,252 shares — an estimated $525K sold.

Citadel Advisors first reported a position in WEEK in Q3 2025 and held it in 3 quarters. The position peaked at $525K in Q1 2026. 5 funds tracked by Wall St. Rank hold WEEK as of Q2 2026.

  • Citadel Advisors reported no remaining Roundhill Weekly T-Bill ETF position as of Q2 2026 after selling out during the quarter.
  • Citadel Advisors sold 5,252 Roundhill Weekly T-Bill ETF shares in Q2 2026, an estimated $525K.
  • Citadel Advisors first reported a position in Roundhill Weekly T-Bill ETF in Q3 2025 and held it in 3 quarters.
  • Citadel Advisors's Roundhill Weekly T-Bill ETF position peaked at $525K in Q1 2026.
  • 5 funds tracked by Wall St. Rank held Roundhill Weekly T-Bill ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.