Ken Griffin
DRTS icon

Ken Griffin’s Alpha Tau Medical DRTS Stock Holding History

Ken Griffin’s Portfolio DRTS Stock Details DRTS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$250K Buy
+35,395
New +$250K ﹤0.01% 10906
2025
Q4 		– Sell
-60,600
Closed -$255K – 12917
2025
Q3 		$273K Sell
60,600
-5,879
-9% -$20K ﹤0.01% 10580
2025
Q2 		$207K Buy
66,479
+6,631
+11% +$18.7K ﹤0.01% 10602
2025
Q1 		$150K Buy
+59,848
New +$188K ﹤0.01% 10870
2024
Q4 		– Sell
-16,301
Closed -$38.8K – 14689
2024
Q3 		$38.8K Buy
+16,301
New +$36.1K ﹤0.01% 12173
2022
Q2 		– Sell
-15,668
Closed -$185K – 13094
2022
Q1 		$185K Buy
+15,668
New +$184K ﹤0.01% 11626

Other funds holding DRTS

HighTower Advisors
HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return
AF
Aquamarine Financial George Town $1.37B AUM
AC
Apella Capital West Hartford, Connecticut $7.08B AUM 17.38% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.31B AUM 20.41% 1-Year Est. Return
DSC
Daytona Street Capital Saint Louis, Missouri $137M AUM
Mariner
Mariner Overland Park, Kansas $85.7B AUM 24.21% 1-Year Est. Return
GIA
Gem Investment Advisors Teaneck, New Jersey $163M AUM
LCS
Levin Capital Strategies New York $1.49B AUM 30.44% 1-Year Est. Return

Ken Griffin's DRTS Position: Q1 2026 in Review

Ken Griffin opened a new position in Alpha Tau Medical (DRTS) in Q1 2026: 35,395 shares worth $250K. The stake represents ﹤0.01% of the portfolio and ranks #10906 among its holdings. This is a return to the name: Ken Griffin previously reported a position in DRTS as recently as Q3 2025.

Ken Griffin first reported a position in DRTS in Q1 2022 and has held it in 6 quarters since. The position peaked at $273K in Q3 2025. 53 funds tracked by Wall St. Rank hold DRTS as of Q1 2026.

  • Ken Griffin held 35,395 shares of Alpha Tau Medical worth $250K as of Q1 2026.
  • Alpha Tau Medical was a new Ken Griffin position in Q1 2026.
  • Alpha Tau Medical made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #10906 holding.
  • Ken Griffin first reported a position in Alpha Tau Medical in Q1 2022 and has held it in 6 quarters since.
  • Ken Griffin's Alpha Tau Medical position peaked at $273K in Q3 2025.
  • 53 funds tracked by Wall St. Rank held Alpha Tau Medical as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.