Citigroup
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Citigroup’s American Shared Hospital Services AMS Stock Holding History

Citigroup’s Portfolio AMS Stock Details AMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-142
Closed -$300 – 5927
2025
Q4 		$300 Buy
+142
New +$311 ﹤0.01% 5620
2024
Q3 		– Sell
-134
Closed -$428 – 5665
2024
Q2 		$428 Buy
+134
New +$424 ﹤0.01% 5409

Other funds holding AMS

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Corient Private Wealth
Corient Private Wealth Miami, Florida $69.9B AUM 22.19% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BCM
Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
DS
DRW Securities Chicago, Illinois $7.21B AUM 20.54% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JIR
James Investment Research Alpha, Ohio $891M AUM 30.4% 1-Year Est. Return

Citigroup's AMS Position: Q1 2026 in Review

Citigroup sold out of American Shared Hospital Services (AMS) in Q1 2026, closing a stake of 142 shares — an estimated $300 sold.

Citigroup first reported a position in AMS in Q2 2024 and held it in 2 quarters. The position peaked at $428 in Q2 2024. 20 funds tracked by Wall St. Rank hold AMS as of Q1 2026.

  • Citigroup reported no remaining American Shared Hospital Services position as of Q1 2026 after selling out during the quarter.
  • Citigroup sold 142 American Shared Hospital Services shares in Q1 2026, an estimated $300.
  • Citigroup first reported a position in American Shared Hospital Services in Q2 2024 and held it in 2 quarters.
  • Citigroup's American Shared Hospital Services position peaked at $428 in Q2 2024.
  • 20 funds tracked by Wall St. Rank held American Shared Hospital Services as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.