Ken Griffin
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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 		$208K Buy
+29,400
New +$208K ﹤0.01% 11338

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.