Citadel Advisors
ISBA

Citadel Advisors’s Isabella Bank ISBA Stock Holding History

Citadel Advisors’s Portfolio ISBA Stock Details ISBA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$242K Sell
5,289
-468
-8% -$22.7K ﹤0.01% 10983
2025
Q4 		$288K Sell
5,757
-12,108
-68% -$512K ﹤0.01% 10239
2025
Q3 		$630K Buy
+17,865
New +$579K ﹤0.01% 8575

Other funds holding ISBA

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
HI
Harbour Investments Madison, Wisconsin $6.48B AUM 18.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Citadel Advisors's ISBA Position: Q1 2026 in Review

Citadel Advisors reduced its Isabella Bank (ISBA) stake by 8.1% in Q1 2026, selling an estimated $22.7K and leaving 5,289 shares worth $242K. The position accounts for ﹤0.01% of the portfolio, ranked #10983.

Citadel Advisors first reported a position in ISBA in Q3 2025 and has held it in 3 quarters since. The position peaked at $630K in Q3 2025. 43 funds tracked by Wall St. Rank hold ISBA as of Q1 2026.

  • Citadel Advisors held 5,289 shares of Isabella Bank worth $242K as of Q1 2026.
  • Citadel Advisors sold 468 Isabella Bank shares in Q1 2026, an estimated $22.7K.
  • Isabella Bank made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #10983 holding.
  • Citadel Advisors first reported a position in Isabella Bank in Q3 2025 and has held it in 3 quarters since.
  • Citadel Advisors's Isabella Bank position peaked at $630K in Q3 2025.
  • 43 funds tracked by Wall St. Rank held Isabella Bank as of Q1 2026.

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