Citigroup
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Citigroup’s Terrestrial Energy IMSR Stock Holding History

Citigroup’s Portfolio IMSR Stock Details IMSR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$568K Buy
146,133
+144,623
+9,578% +$752K ﹤0.01% 3692
2026
Q2 		$10.7K Sell
1,510
-25,398
-94% -$188K ﹤0.01% 5237
2026
Q1 		$162K Buy
26,908
+14,589
+118% +$116K ﹤0.01% 4086
2025
Q4 		$75.3K Buy
+12,319
New +$165K ﹤0.01% 4437
2025
Q3 		– Sell
-50
Closed -$555 – 6374
2025
Q2 		$555 Buy
+50
New +$556 ﹤0.01% 5438

Other funds holding IMSR

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Exchange Traded Concepts
Exchange Traded Concepts Oklahoma City, Oklahoma $25.3B AUM 51.52% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
FNY Investment Advisers
FNY Investment Advisers New York $402M AUM 85.9% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $77B AUM 19.24% 1-Year Est. Return
Periscope Capital
Periscope Capital Toronto, Ontario, Canada $990M AUM 4.73% 1-Year Est. Return
Mount Lucas Management
Mount Lucas Management Newtown, Pennsylvania $333M AUM 24.96% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $483B AUM 41.26% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $468B AUM 17.69% 1-Year Est. Return
Simon Quick Advisors
Simon Quick Advisors Morristown, New Jersey $2.63B AUM 14.45% 1-Year Est. Return

Citigroup's IMSR Position: Q3 2026 in Review

Citigroup increased its Terrestrial Energy (IMSR) stake by 9,578% in Q3 2026, buying an estimated $752K and bringing the position to 146,133 shares worth $568K. The position accounts for ﹤0.01% of the portfolio, ranked #3692.

Citigroup first reported a position in IMSR in Q2 2025 and has held it in 5 quarters since. 38 funds tracked by Wall St. Rank hold IMSR as of Q3 2026.

  • Citigroup held 146,133 shares of Terrestrial Energy worth $568K as of Q3 2026.
  • Citigroup bought 144,623 Terrestrial Energy shares in Q3 2026, an estimated $752K.
  • Terrestrial Energy made up ﹤0.01% of Citigroup's portfolio in Q3 2026, its #3692 holding.
  • Citigroup first reported a position in Terrestrial Energy in Q2 2025 and has held it in 5 quarters since.
  • 38 funds tracked by Wall St. Rank held Terrestrial Energy as of Q3 2026.

Based on Citigroup's 13F filing for Q3 2026, filed 4 Nov 2026.