IMC Chicago
BRK.B icon

IMC Chicago’s Berkshire Hathaway Class B BRK.B Stock Holding History

IMC Chicago’s Portfolio BRK.B Stock Details BRK.B Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$707M Buy
1,475,500
+334,400
+29% +$164M 0.25% 57
2025
Q4 		$574M Sell
1,141,100
-92,500
-7% -$46M 0.21% 71
2025
Q3 		$620M Buy
1,233,600
+35,300
+3% +$17.1M 0.23% 66
2025
Q2 		$582M Buy
1,198,300
+76,100
+7% +$38.6M 0.26% 51
2025
Q1 		$598M Buy
1,122,200
+499,400
+80% +$243M 0.34% 37
2024
Q4 		$282M Buy
622,800
+108,600
+21% +$50.1M 0.13% 78
2024
Q3 		$237M Buy
514,200
+250,300
+95% +$111M 0.13% 84
2024
Q2 		$107M Buy
263,900
+230,400
+688% +$94.1M 0.07% 151
2024
Q1 		$14.1M Buy
+33,500
New +$13.2M 0.01% 581

Other funds holding BRK.B

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Gates Foundation Trust
Gates Foundation Trust Kirkland, Washington $31.7B AUM 20.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

IMC Chicago's BRK.B Position: Q1 2026 in Review

IMC Chicago sold out of Berkshire Hathaway Class B (BRK.B) in Q1 2026, closing a stake of 55,225 shares — an estimated $27.1M sold.

IMC Chicago first reported a position in BRK.B in Q1 2019 and held it in 6 quarters. The position peaked at $27.8M in Q4 2025. 4,852 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

  • IMC Chicago reported no remaining Berkshire Hathaway Class B position as of Q1 2026 after selling out during the quarter.
  • IMC Chicago sold 55,225 Berkshire Hathaway Class B shares in Q1 2026, an estimated $27.1M.
  • IMC Chicago first reported a position in Berkshire Hathaway Class B in Q1 2019 and held it in 6 quarters.
  • IMC Chicago's Berkshire Hathaway Class B position peaked at $27.8M in Q4 2025.
  • 4,852 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.