WisdomTree International Efficient Core Fund
NTSI
39 hedge funds and large institutions have $407M invested in WisdomTree International Efficient Core Fund in 2026 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 15 increasing their positions, 10 reducing their positions, and 3 closing their positions.
167% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 3
50% more repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 10
11% more funds holding
Funds holding: 35 → 39 (+4)
8% less capital invested
Capital invested by funds: $444M → $407M (-$37.7M)
10.78% less ownership
Funds ownership: 97.96% → 87.18% (-11%)
17% less funds holding in top 10
Funds holding in top 10: 6 → 5 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$5.35M |
| 2 |
MG
Mather Group
Chicago,
Illinois
|
+$3.2M |
| 3 |
Goldman Sachs
New York
|
+$1.31M |
| 4 |
WI
WJ Interests
Sugar Land,
Texas
|
+$1.11M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$942K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SFO
Stenger Family Office
Naperville,
Illinois
|
-$47.8M |
| 2 |
LPL Financial
San Diego,
California
|
-$2.24M |
| 3 |
PFA
Professional Financial Advisors
North Platte,
Nebraska
|
-$1.54M |
| 4 |
Mariner
Overland Park,
Kansas
|
-$349K |
| 5 |
BWMG
Barnes Wealth Management Group
Bakersfield,
California
|
-$227K |
NTSI Hedge Fund Activity: Q1 2026 in Review
39 of the 8,132 institutional investors tracked by Wall St. Rank reported a position in WisdomTree International Efficient Core Fund (NTSI) for Q1 2026, worth a combined $407M — down 8.5% from $444M a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new NTSI positions and 3 closed out — a net gain of 5 holders — while 15 added to existing stakes and 10 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $5.35M. The largest seller was Stenger Family Office, exiting entirely with an estimated $47.8M sold.
- 39 institutional investors held WisdomTree International Efficient Core Fund (NTSI) as of Q1 2026, up from 35 in Q4 2025.
- Funds reported $407M of WisdomTree International Efficient Core Fund stock for Q1 2026, down 8.5% quarter-over-quarter.
- 8 funds opened new WisdomTree International Efficient Core Fund positions in Q1 2026 and 3 closed out, a net change of +5 holders.
- The largest WisdomTree International Efficient Core Fund buyer in Q1 2026 was Jane Street, an estimated $5.35M added.
- The largest WisdomTree International Efficient Core Fund seller in Q1 2026 was Stenger Family Office, an estimated $47.8M sold.
Based on aggregated 13F filings for Q1 2026.