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Tenon Medical
TNON

12 hedge funds and large institutions have $267K invested in Tenon Medical in 2026 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 2

0.02% less ownership

Funds ownership: 0.11% → 0.09% (-0.02%)

25% less funds holding

Funds holding: 16 → 12 (-4)

35% less capital invested

Capital invested by funds: $411K → $267K (-$145K)

50% less first-time investments, than exits

New positions opened: 3 | Existing positions closed: 6

Holders
12
Holders Change
-4
Holders Change %
-25%
% of All Funds
0.15%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
2
Reduced
2
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Geode Capital Management
Geode Capital Management
Massachusetts
+$84.8K
2
Citigroup
Citigroup
New York
+$8.3K
3
TRCT
Tower Research Capital (TRC)
New York
+$648

Top Sellers

Rank Fund Capital Flow
1
DS
DRW Securities
Illinois
-$97.5K
2
Citadel Advisors
Citadel Advisors
Florida
-$21.2K
3
XT
XTX Topco
Cayman Islands
-$17.9K
4
VF
Virtu Financial
New York
-$15K
5
TSS
Two Sigma Securities
New York
-$11K
Name Holding Trade Value Shares
Change 		Change in
Stake
Geode Capital Management
1
Geode Capital Management
Massachusetts
$122K +$84.8K +2,881 +151%
VCM
2
Vanguard Capital Management
Pennsylvania
$52.1K +$60.3K +2,049 New
VFT
3
Vanguard Fiduciary Trust
Pennsylvania
$32.4K +$37.5K +1,275 New
SS
4
SBI Securities
Japan
$28.8K – – –
Northern Trust
5
Northern Trust
Illinois
$13.1K -$2.47K -84 -14%
SAMC
6
Spectrum Asset Management (California)
California
$7.73K – – –
Citigroup
7
Citigroup
New York
$7.15K +$8.3K +282 New
UBS Group
8
UBS Group
Switzerland
$3.03K -$1.83K -62 -34%
TRCT
9
Tower Research Capital (TRC)
New York
$665 +$648 +22 +550%
Morgan Stanley
10
Morgan Stanley
New York
$136 – – –
BNP Paribas Financial Markets
11
BNP Paribas Financial Markets
France
$17 – – –
AF
12
Allworth Financial
California
$15 – – –
DS
13
DRW Securities
Illinois
– -$97.5K -2,929 Closed
Citadel Advisors
14
Citadel Advisors
Florida
– -$21.2K -636 Closed
XT
15
XTX Topco
Cayman Islands
– -$17.9K -539 Closed
VF
16
Virtu Financial
New York
– -$15K -436 Closed
TSS
17
Two Sigma Securities
New York
– -$11K -332 Closed
Bank of America
18
Bank of America
North Carolina
– -$76 -2 Closed

TNON Hedge Fund Activity: Q1 2026 in Review

12 of the 8,161 institutional investors tracked by Wall St. Rank reported a position in Tenon Medical (TNON) for Q1 2026, worth a combined $267K — down 35% from $411K a quarter earlier.

Sellers outnumbered buyers: 6 funds closed out of TNON and 3 opened new positions — a net loss of 3 holders — while 2 trimmed existing stakes and 2 added.

The largest buyer was Geode Capital Management, adding an estimated $84.8K. The largest seller was DRW Securities, exiting entirely with an estimated $97.5K sold.

  • 12 institutional investors held Tenon Medical (TNON) as of Q1 2026, down from 16 in Q4 2025.
  • Funds reported $267K of Tenon Medical stock for Q1 2026, down 35% quarter-over-quarter.
  • 3 funds opened new Tenon Medical positions in Q1 2026 and 6 closed out, a net change of -3 holders.
  • The largest Tenon Medical buyer in Q1 2026 was Geode Capital Management, an estimated $84.8K added.
  • The largest Tenon Medical seller in Q1 2026 was DRW Securities, an estimated $97.5K sold.

Based on aggregated 13F filings for Q1 2026.