Citigroup
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Citigroup’s Serina Therapeutics SER Stock Holding History

Citigroup’s Portfolio SER Stock Details SER Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-2,323
Closed -$12.5K – 6556
2025
Q3 		$12.5K Buy
+2,323
New +$12.4K ﹤0.01% 4953
2024
Q2 		– Sell
-656
Closed -$8.83K – 5811
2024
Q1 		$8.83K Buy
+656
New +$9.18K ﹤0.01% 5230
2022
Q2 		– Sell
-73
Closed -$2K – 6739
2022
Q1 		$2K Buy
+73
New +$2.08K ﹤0.01% 6102
2021
Q3 		– Sell
-2
Closed – – 6367
2021
Q2 		$0 Hold
2
– – ﹤0.01% 6446
2021
Q1 		$0 Hold
2
– – ﹤0.01% 7570
2020
Q4 		$0 Hold
2
– – ﹤0.01% 7665
2020
Q3 		$0 Hold
2
– – ﹤0.01% 7633
2020
Q2 		$0 Sell
2
-173
-99% -$5.09K ﹤0.01% 7704
2020
Q1 		$6K Buy
175
+50
+40% +$2.35K ﹤0.01% 7242
2019
Q4 		$8K Buy
125
+79
+172% +$4.27K ﹤0.01% 7284
2019
Q3 		$3K Sell
46
-136
-75% -$12.9K ﹤0.01% 7491
2019
Q2 		$23K Buy
182
+105
+136% +$14.2K ﹤0.01% 7021
2019
Q1 		$11K Sell
77
-19
-20% -$2.78K ﹤0.01% 7232
2018
Q4 		$10K Buy
+96
New +$12.2K ﹤0.01% 7164

Other funds holding SER

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
WA
Waverly Advisors Birmingham, Alabama $13.4B AUM 18.56% 1-Year Est. Return
BC
Broadwood Capital New York $1.42B AUM 34.72% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
LW
Linscomb Wealth Houston, Texas $2.31B AUM 28.23% 1-Year Est. Return
KP
Keel Point Huntsville, Alabama $1.51B AUM 20.06% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return

Citigroup's SER Position: Q4 2025 in Review

Citigroup sold out of Serina Therapeutics (SER) in Q4 2025, closing a stake of 2,323 shares — an estimated $12.5K sold.

Citigroup first reported a position in SER in Q4 2018 and held it in 14 quarters. The position peaked at $23K in Q2 2019. 22 funds tracked by Wall St. Rank hold SER as of Q4 2025.

  • Citigroup reported no remaining Serina Therapeutics position as of Q4 2025 after selling out during the quarter.
  • Citigroup sold 2,323 Serina Therapeutics shares in Q4 2025, an estimated $12.5K.
  • Citigroup first reported a position in Serina Therapeutics in Q4 2018 and held it in 14 quarters.
  • Citigroup's Serina Therapeutics position peaked at $23K in Q2 2019.
  • 22 funds tracked by Wall St. Rank held Serina Therapeutics as of Q4 2025.

Based on Citigroup's 13F filing for Q4 2025, filed 13 Feb 2026.