William Blair & Company
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William Blair & Company’s Mizuho Financial MFG Stock Holding History

William Blair & Company’s Portfolio MFG Stock Details MFG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$144K Buy
14,993
+2,778
+23% +$25K ﹤0.01% 1628
2026
Q1 		$97K Buy
+12,215
New +$103K ﹤0.01% 1592
2015
Q4 		– Sell
-12,354
Closed -$46K – 1257
2015
Q3 		$46K Buy
+12,354
New +$50.5K ﹤0.01% 1359

Other funds holding MFG

Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Natixis Advisors
Natixis Advisors Boston, Massachusetts $88.9B AUM 38.03% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
CBU
CIBC Bancorp USA Chicago, Illinois $82.3B AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

William Blair & Company's MFG Position: Q2 2026 in Review

William Blair & Company increased its Mizuho Financial (MFG) stake by 23% in Q2 2026, buying an estimated $25K and bringing the position to 14,993 shares worth $144K. The position accounts for ﹤0.01% of the portfolio, ranked #1628.

William Blair & Company first reported a position in MFG in Q3 2015 and has held it in 3 quarters since. 464 funds tracked by Wall St. Rank hold MFG as of Q2 2026.

  • William Blair & Company held 14,993 shares of Mizuho Financial worth $144K as of Q2 2026.
  • William Blair & Company bought 2,778 Mizuho Financial shares in Q2 2026, an estimated $25K.
  • Mizuho Financial made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1628 holding.
  • William Blair & Company first reported a position in Mizuho Financial in Q3 2015 and has held it in 3 quarters since.
  • 464 funds tracked by Wall St. Rank held Mizuho Financial as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.