Ken Griffin
SER icon

Ken Griffin’s Serina Therapeutics SER Stock Holding History

Ken Griffin’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
Q2 		– Sell
-13,184
Closed -$74.8K – 15503
2025
Q1 		$74.8K Buy
+13,184
New +$62.4K ﹤0.01% 11834
2024
Q1 		– Sell
-610
Closed -$8.26K – 15570
2023
Q4 		$8.26K Buy
+610
New +$11.2K ﹤0.01% 13231
2023
Q3 		– Sell
-304
Closed -$9.56K – 15273
2023
Q2 		$9.56K Sell
304
-78
-20% -$1.67K ﹤0.01% 13251
2023
Q1 		$8.9K Buy
+382
New +$8.78K ﹤0.01% 13624
2022
Q4 		– Sell
-285
Closed -$6K – 15554
2022
Q3 		$6K Sell
285
-170
-37% -$3.85K ﹤0.01% 12353
2022
Q2 		$9K Buy
+455
New +$12.3K ﹤0.01% 12610
2021
Q4 		– Sell
-1,153
Closed -$38K – 14923
2021
Q3 		$38K Buy
+1,153
New +$48.4K ﹤0.01% 13493
2020
Q4 		– Sell
-696
Closed -$20K – 11627
2020
Q3 		$20K Buy
696
+377
+118% +$13.5K ﹤0.01% 9862
2020
Q2 		$11K Sell
319
-117
-27% -$3.44K ﹤0.01% 9625
2020
Q1 		$14K Buy
+436
New +$20.5K ﹤0.01% 9372

Other funds holding SER

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BC
Broadwood Capital New York $1.42B AUM 34.72% 1-Year Est. Return
WA
Waverly Advisors Birmingham, Alabama $13.4B AUM 18.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return
KP
Keel Point Huntsville, Alabama $1.51B AUM 20.06% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return

Ken Griffin's SER Position: Q2 2025 in Review

Ken Griffin sold out of Serina Therapeutics (SER) in Q2 2025, closing a stake of 13,184 shares — an estimated $74.8K sold.

Ken Griffin first reported a position in SER in Q1 2020 and held it in 10 quarters. The position peaked at $74.8K in Q1 2025. 23 funds tracked by Wall St. Rank hold SER as of Q2 2025.

  • Ken Griffin reported no remaining Serina Therapeutics position as of Q2 2025 after selling out during the quarter.
  • Ken Griffin sold 13,184 Serina Therapeutics shares in Q2 2025, an estimated $74.8K.
  • Ken Griffin first reported a position in Serina Therapeutics in Q1 2020 and held it in 10 quarters.
  • Ken Griffin's Serina Therapeutics position peaked at $74.8K in Q1 2025.
  • 23 funds tracked by Wall St. Rank held Serina Therapeutics as of Q2 2025.

Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.