Ken Griffin
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Ken Griffin’s Mizuho Financial MFG Stock Holding History

Ken Griffin’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
Q1 		$155K Buy
19,500
+9,400
+93% +$79.6K ﹤0.01% 11655
2025
Q4 		$73.9K Buy
+10,100
New +$69K ﹤0.01% 11842
2025
Q2 		– Sell
-10,100
Closed -$55.7K – 14059
2025
Q1 		$55.7K Buy
10,100
+5,400
+115% +$29.7K ﹤0.01% 12199
2024
Q4 		$23K Buy
4,700
+4,200
+840% +$19.4K ﹤0.01% 13088
2024
Q3 		$2.09K Sell
500
-16,400
-97% -$68.5K ﹤0.01% 13785
2024
Q2 		$71.5K Buy
16,900
+14,800
+705% +$58.7K ﹤0.01% 11353
2024
Q1 		$8.36K Buy
2,100
+1,800
+600% +$6.72K ﹤0.01% 13559
2023
Q4 		$1.03K Buy
300
+100
+50% +$340 ﹤0.01% 13891
2023
Q3 		$686 Sell
200
-2,800
-93% -$9.31K ﹤0.01% 14003
2023
Q2 		$9.21K Sell
3,000
-800
-21% -$2.37K ﹤0.01% 13262
2023
Q1 		$10.7K Sell
3,800
-7,800
-67% -$23.9K ﹤0.01% 13512
2022
Q4 		$32.9K Buy
11,600
+100
+0.9% +$236 ﹤0.01% 12623
2022
Q3 		$25K Buy
+11,500
New +$26.7K ﹤0.01% 11981

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 $1.9T AUM 41.92% 1-Year Est. Return
Natixis Advisors
Natixis Advisors Boston, Massachusetts $71.9B AUM 28.03% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $208B AUM 16.12% 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

Ken Griffin's MFG Position: Q3 2025 in Review

Ken Griffin sold out of Mizuho Financial (MFG) in Q3 2025, closing a stake of 590,089 shares — an estimated $3.68M sold.

Ken Griffin first reported a position in MFG in Q4 2014 and held it in 27 quarters. The position peaked at $4.97M in Q4 2024. 343 funds tracked by Wall St. Rank hold MFG as of Q3 2025.

  • Ken Griffin reported no remaining Mizuho Financial position as of Q3 2025 after selling out during the quarter.
  • Ken Griffin sold 590,089 Mizuho Financial shares in Q3 2025, an estimated $3.68M.
  • Ken Griffin first reported a position in Mizuho Financial in Q4 2014 and held it in 27 quarters.
  • Ken Griffin's Mizuho Financial position peaked at $4.97M in Q4 2024.
  • 343 funds tracked by Wall St. Rank held Mizuho Financial as of Q3 2025.

Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.