Citigroup’s Serina Therapeutics SER Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q3
$10.5K Buy
+5,230
New +$12.1K ﹤0.01% 5174
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

Citigroup's SER Position: Q3 2026 in Review

Citigroup opened a new position in Serina Therapeutics (SER) in Q3 2026: 5,230 shares worth $10.5K. The stake represents ﹤0.01% of the portfolio and ranks #5174 among its holdings. This is a return to the name: Citigroup previously reported a position in SER as recently as Q3 2025.

Citigroup first reported a position in SER in Q4 2018 and has held it in 15 quarters since. The position peaked at $23K in Q2 2019. 15 funds tracked by Wall St. Rank hold SER as of Q3 2026.

  • Citigroup held 5,230 shares of Serina Therapeutics worth $10.5K as of Q3 2026.
  • Serina Therapeutics was a new Citigroup position in Q3 2026.
  • Serina Therapeutics made up ﹤0.01% of Citigroup's portfolio in Q3 2026, its #5174 holding.
  • Citigroup first reported a position in Serina Therapeutics in Q4 2018 and has held it in 15 quarters since.
  • Citigroup's Serina Therapeutics position peaked at $23K in Q2 2019.
  • 15 funds tracked by Wall St. Rank held Serina Therapeutics as of Q3 2026.

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