Tenon Medical
TNON
14 hedge funds and large institutions have $312K invested in Tenon Medical in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 1 closing their positions.
300% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 1
157% more capital invested
Capital invested by funds: $122K → $312K (+$191K)
50% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 2
27% more funds holding
Funds holding: 11 → 14 (+3)
0.04% more ownership
Funds ownership: 0.05% → 0.09% (+0.04%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$141K |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
+$35K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$23K |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
+$552 |
| 5 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$382 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SAMC
Spectrum Asset Management (California)
Newport Beach,
California
|
-$18.2K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$11.7K |
| 3 |
Raymond James Financial
St Petersburg,
Florida
|
-$48 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Vanguard Group
Malvern,
Pennsylvania
| $137K | +$141K | +3,324 | New |
|
|
2
Geode Capital Management
Boston,
Massachusetts
| $58.4K | +$35K | +824 | +140% |
|
|
SS
3
SBI Securities
Tokyo,
Japan
| $46.9K | – | – | – |
|
|
XT
4
XTX Topco
George Town,
Cayman Islands
| $28.2K | +$382 | +9 | +1% |
|
|
5
Citadel Advisors
Miami,
Florida
| $22.4K | +$23K | +542 | New |
|
|
SAMC
6
Spectrum Asset Management (California)
Newport Beach,
California
| $12.6K | -$18.2K | -429 | -59% |
|
|
TRCT
7
Tower Research Capital (TRC)
New York
| $3.57K | +$552 | +13 | +18% |
|
|
8
UBS Group
Zurich,
Switzerland
| $2.57K | -$11.7K | -275 | -82% |
|
9
Morgan Stanley
New York
| $222 | – | – | – |
|
|
RFP
10
Root Financial Partners
Encinitas,
California
| $94 | +$85 | +2 | New |
|
11
Bank of America
Charlotte,
North Carolina
| $87 | – | – | – |
|
12
Citigroup
New York
| $51 | +$42 | +1 | New |
|
13
BNP Paribas Financial Markets
Paris,
France
| $28 | – | – | – |
|
|
AF
14
Allworth Financial
Folsom,
California
| $24 | – | – | – |
|
|
15
Raymond James Financial
St Petersburg,
Florida
| – | -$48 | -1 | Closed |
|
TNON Hedge Fund Activity: Q3 2025 in Review
14 of the 7,629 institutional investors tracked by Wall St. Rank reported a position in Tenon Medical (TNON) for Q3 2025, worth a combined $312K — up 157% from $122K a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new TNON positions and 1 closed out — a net gain of 3 holders — while 3 added to existing stakes and 2 trimmed.
The largest buyer was Vanguard Group, opening a new position worth an estimated $141K. The largest seller was Spectrum Asset Management (California), cutting an estimated $18.2K.
- 14 institutional investors held Tenon Medical (TNON) as of Q3 2025, up from 11 in Q2 2025.
- Funds reported $312K of Tenon Medical stock for Q3 2025, up 157% quarter-over-quarter.
- 4 funds opened new Tenon Medical positions in Q3 2025 and 1 closed out, a net change of +3 holders.
- The largest Tenon Medical buyer in Q3 2025 was Vanguard Group, an estimated $141K added.
- The largest Tenon Medical seller in Q3 2025 was Spectrum Asset Management (California), an estimated $18.2K sold.
Based on aggregated 13F filings for Q3 2025.