Mizuho Financial
MFG
391 hedge funds and large institutions have $1.72B invested in Mizuho Financial in 2025 Q4 according to their latest regulatory filings, with 87 funds opening new positions, 191 increasing their positions, 67 reducing their positions, and 32 closing their positions.
905% more call options, than puts
Call options by funds: $201K | Put options by funds: $20K
185% more repeat investments, than reductions
Existing positions increased: 191 | Existing positions reduced: 67
172% more first-time investments, than exits
New positions opened: 87 | Existing positions closed: 32
28% more capital invested
Capital invested by funds: $1.35B → $1.72B (+$375M)
14% more funds holding
Funds holding: 343 → 391 (+48)
0.29% more ownership
Funds ownership: 1.6% → 1.88% (+0.29%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Natixis Advisors
Boston,
Massachusetts
|
+$96.8M |
| 2 |
Morgan Stanley
New York
|
+$21.6M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
+$21M |
| 4 |
Raymond James Financial
St Petersburg,
Florida
|
+$15.4M |
| 5 |
Goldman Sachs
New York
|
+$11.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
-$8.99M |
| 2 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$4.47M |
| 3 |
Millennium Management
New York
|
-$4.24M |
| 4 |
Lazard Asset Management
New York
|
-$4.02M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
-$3.55M |
MFG Hedge Fund Activity: Q4 2025 in Review
391 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Mizuho Financial (MFG) for Q4 2025, worth a combined $1.72B — up 28% from $1.35B a quarter earlier.
Buyers outnumbered sellers: 87 funds opened new MFG positions and 32 closed out — a net gain of 55 holders — while 191 added to existing stakes and 67 trimmed.
The largest buyer was Natixis Advisors, adding an estimated $96.8M. The largest seller was Renaissance Technologies, cutting an estimated $8.99M.
- 391 institutional investors held Mizuho Financial (MFG) as of Q4 2025, up from 343 in Q3 2025.
- Funds reported $1.72B of Mizuho Financial stock for Q4 2025, up 28% quarter-over-quarter.
- 87 funds opened new Mizuho Financial positions in Q4 2025 and 32 closed out, a net change of +55 holders.
- The largest Mizuho Financial buyer in Q4 2025 was Natixis Advisors, an estimated $96.8M added.
- The largest Mizuho Financial seller in Q4 2025 was Renaissance Technologies, an estimated $8.99M sold.
Based on aggregated 13F filings for Q4 2025.