Ken Griffin
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Ken Griffin’s Tenon Medical TNON Stock Holding History

Ken Griffin’s Portfolio TNON Stock Details TNON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-636
Closed -$21.2K – 14237
2025
Q4 		$21.2K Buy
636
+94
+17% +$3.78K ﹤0.01% 12333
2025
Q3 		$22.4K Buy
+542
New +$23K ﹤0.01% 12472
2023
Q3 		– Sell
-5
Closed -$3.6K – 15112
2023
Q2 		$3.6K Buy
+5
New +$18.4K ﹤0.01% 13678
2022
Q3 		– Sell
-8
Closed -$53K – 13614
2022
Q2 		$53K Buy
+8
New +$233K ﹤0.01% 11899

Other funds holding TNON

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
SAMC
Spectrum Asset Management (California) Newport Beach, California $360M AUM 19.03% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Ken Griffin's TNON Position: Q1 2026 in Review

Ken Griffin sold out of Tenon Medical (TNON) in Q1 2026, closing a stake of 636 shares — an estimated $21.2K sold.

Ken Griffin first reported a position in TNON in Q2 2022 and held it in 4 quarters. The position peaked at $53K in Q2 2022. 12 funds tracked by Wall St. Rank hold TNON as of Q1 2026.

  • Ken Griffin reported no remaining Tenon Medical position as of Q1 2026 after selling out during the quarter.
  • Ken Griffin sold 636 Tenon Medical shares in Q1 2026, an estimated $21.2K.
  • Ken Griffin first reported a position in Tenon Medical in Q2 2022 and held it in 4 quarters.
  • Ken Griffin's Tenon Medical position peaked at $53K in Q2 2022.
  • 12 funds tracked by Wall St. Rank held Tenon Medical as of Q1 2026.

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