Mizuho Financial
MFG
465 hedge funds and large institutions have $2.61B invested in Mizuho Financial in 2026 Q2 according to their latest regulatory filings, with 81 funds opening new positions, 245 increasing their positions, 78 reducing their positions, and 35 closing their positions.
214% more repeat investments, than reductions
Existing positions increased: 245 | Existing positions reduced: 78
131% more first-time investments, than exits
New positions opened: 81 | Existing positions closed: 35
29% more capital invested
Capital invested by funds: $2.02B → $2.61B (+$592M)
9% more funds holding
Funds holding: 425 → 465 (+40)
0.15% more ownership
Funds ownership: 2.08% → 2.23% (+0.15%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
16% less call options, than puts
Call options by funds: $109K | Put options by funds: $129K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$39.7M |
| 2 |
AIM
Artemis Investment Management
Edinburgh,
United Kingdom
|
+$36.1M |
| 3 |
WGAM
Wilkinson Global Asset Management
New York
|
+$20.1M |
| 4 |
QCM
Quantinno Capital Management
New York
|
+$14.6M |
| 5 |
Jones Financial Companies
Des Peres,
Missouri
|
+$13M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$21.6M |
| 2 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
-$20.9M |
| 3 |
Renaissance Technologies
New York
|
-$17.8M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$11.5M |
| 5 |
MCM
Massar Capital Management
Stamford,
Connecticut
|
-$5.16M |
MFG Hedge Fund Activity: Q2 2026 in Review
465 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in Mizuho Financial (MFG) for Q2 2026, worth a combined $2.61B — up 29% from $2.02B a quarter earlier.
Buyers outnumbered sellers: 81 funds opened new MFG positions and 35 closed out — a net gain of 46 holders — while 245 added to existing stakes and 78 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $39.7M. The largest seller was Jane Street, exiting entirely with an estimated $21.6M sold.
- 465 institutional investors held Mizuho Financial (MFG) as of Q2 2026, up from 425 in Q1 2026.
- Funds reported $2.61B of Mizuho Financial stock for Q2 2026, up 29% quarter-over-quarter.
- 81 funds opened new Mizuho Financial positions in Q2 2026 and 35 closed out, a net change of +46 holders.
- The largest Mizuho Financial buyer in Q2 2026 was Fidelity Investments, an estimated $39.7M added.
- The largest Mizuho Financial seller in Q2 2026 was Jane Street, an estimated $21.6M sold.
Based on aggregated 13F filings for Q2 2026.