Optiver Holding’s Middlefield Banc Corp MBCN Stock Holding History

Optiver Holding’s Portfolio MBCN Stock Details MBCN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-112	Closed	-$3.87K	–	2573
2025 Q4	$3.87K	Hold	112	–	–	﹤0.01%	1554
2025 Q3	$3.36K	Buy	+112	New	+$3.37K	﹤0.01%	2100
2022 Q1	–	Sell	-749	Closed	-$18K	–	731
2021 Q4	$18K	Hold	749	–	–	﹤0.01%	594
2021 Q3	$18K	Hold	749	–	–	﹤0.01%	473
2021 Q2	$18K	Buy	+749	New	+$17.1K	﹤0.01%	374

Other funds holding MBCN

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Optiver Holding's MBCN Position: Q1 2026 in Review

Optiver Holding sold out of Middlefield Banc Corp (MBCN) in Q1 2026, closing a stake of 112 shares — an estimated $3.87K sold.

Optiver Holding first reported a position in MBCN in Q2 2021 and held it in 5 quarters. The position peaked at $18K in Q4 2021. 1 fund tracked by Wall St. Rank holds MBCN as of Q1 2026.

Optiver Holding reported no remaining Middlefield Banc Corp position as of Q1 2026 after selling out during the quarter.
Optiver Holding sold 112 Middlefield Banc Corp shares in Q1 2026, an estimated $3.87K.
Optiver Holding first reported a position in Middlefield Banc Corp in Q2 2021 and held it in 5 quarters.
Optiver Holding's Middlefield Banc Corp position peaked at $18K in Q4 2021.
1 fund tracked by Wall St. Rank held Middlefield Banc Corp as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.