Vanguard S&P Mid-Cap 400 ETF
IVOO
287 hedge funds and large institutions have $1.59B invested in Vanguard S&P Mid-Cap 400 ETF in 2025 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 104 increasing their positions, 74 reducing their positions, and 9 closing their positions.
244% more first-time investments, than exits
New positions opened: 31 | Existing positions closed: 9
41% more repeat investments, than reductions
Existing positions increased: 104 | Existing positions reduced: 74
11% more funds holding in top 10
Funds holding in top 10: 9 → 10 (+1)
9% more capital invested
Capital invested by funds: $1.45B → $1.59B (+$137M)
5% more funds holding
Funds holding: 273 → 287 (+14)
2.6% more ownership
Funds ownership: 51.39% → 53.99% (+2.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HFS
Hantz Financial Services
Southfield,
Michigan
|
+$33.2M |
| 2 |
SC
Savant Capital
Rockford,
Illinois
|
+$17.2M |
| 3 |
Goldman Sachs
New York
|
+$5.24M |
| 4 |
SAI
Savvy Advisors Inc
New York
|
+$4.64M |
| 5 |
AWM
Axxcess Wealth Management
Carlsbad,
California
|
+$3.56M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LMIM
Lockheed Martin Investment Management
Bethesda,
Maryland
|
-$3.33M |
| 2 |
BFIC
Bedell Frazier Investment Counselling
Walnut Creek,
California
|
-$2.53M |
| 3 |
BNP Paribas Financial Markets
Paris,
France
|
-$2.21M |
| 4 |
LPL Financial
San Diego,
California
|
-$1.74M |
| 5 |
PF
Phoenix Financial
Givatayim,
Israel
|
-$1.66M |
IVOO Hedge Fund Activity: Q4 2025 in Review
287 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Vanguard S&P Mid-Cap 400 ETF (IVOO) for Q4 2025, worth a combined $1.59B — up 9.4% from $1.45B a quarter earlier.
Buyers outnumbered sellers: 31 funds opened new IVOO positions and 9 closed out — a net gain of 22 holders — while 104 added to existing stakes and 74 trimmed.
The largest buyer was Hantz Financial Services, adding an estimated $33.2M. The largest seller was Lockheed Martin Investment Management, cutting an estimated $3.33M.
- 287 institutional investors held Vanguard S&P Mid-Cap 400 ETF (IVOO) as of Q4 2025, up from 273 in Q3 2025.
- Funds reported $1.59B of Vanguard S&P Mid-Cap 400 ETF stock for Q4 2025, up 9.4% quarter-over-quarter.
- 31 funds opened new Vanguard S&P Mid-Cap 400 ETF positions in Q4 2025 and 9 closed out, a net change of +22 holders.
- The largest Vanguard S&P Mid-Cap 400 ETF buyer in Q4 2025 was Hantz Financial Services, an estimated $33.2M added.
- The largest Vanguard S&P Mid-Cap 400 ETF seller in Q4 2025 was Lockheed Martin Investment Management, an estimated $3.33M sold.
Based on aggregated 13F filings for Q4 2025.