Black Maple Capital Management’s Old Second Bancorp OSBC Stock Holding History

Black Maple Capital Management’s Portfolio OSBC Stock Details OSBC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$791K	Sell	39,224 -9,776	-20%	-$196K	0.44%	38
2025 Q4	$956K	Sell	49,000 -3,500	-7%	-$65.4K	0.67%	32
2025 Q3	$907K	Buy	52,500 +5,000	+11%	+$90K	0.44%	41
2025 Q2	$843K	Buy	47,500 +5,000	+12%	+$81.5K	0.38%	36
2025 Q1	$707K	Buy	42,500 +2,500	+6%	+$44.8K	0.4%	46
2024 Q4	$711K	Sell	40,000 -6,436	-14%	-$112K	0.37%	46
2024 Q3	$724K	Sell	46,436 -4,000	-8%	-$64.4K	0.48%	41
2024 Q2	$747K	Hold	50,436	–	–	0.49%	41
2024 Q1	$698K	Buy	50,436 +10,000	+25%	+$140K	0.43%	49
2023 Q4	$624K	Buy	40,436 +3,000	+8%	+$43.4K	0.52%	34
2023 Q3	$510K	Sell	37,436 -12,454	-25%	-$182K	0.35%	44
2023 Q2	$652K	Buy	49,890 +29,445	+144%	+$375K	0.39%	33
2023 Q1	$287K	Buy	+20,445	New	+$326K	0.27%	53

Other funds holding OSBC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

DAM

Davis Asset Management Sausalito, California $3.46B AUM 9.77% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

FCM

FJ Capital Management Mclean, Virginia $888M AUM 18.97% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Black Maple Capital Management's OSBC Position: Q1 2026 in Review

Black Maple Capital Management reduced its Old Second Bancorp (OSBC) stake by 20% in Q1 2026, selling an estimated $196K and leaving 39,224 shares worth $791K. The position accounts for 0.44% of the portfolio, ranked #38.

Black Maple Capital Management first reported a position in OSBC in Q1 2023 and has held it in 13 quarters since. The position peaked at $956K in Q4 2025. 188 funds tracked by Wall St. Rank hold OSBC as of Q1 2026.

Black Maple Capital Management held 39,224 shares of Old Second Bancorp worth $791K as of Q1 2026.
Black Maple Capital Management sold 9,776 Old Second Bancorp shares in Q1 2026, an estimated $196K.
Old Second Bancorp made up 0.44% of Black Maple Capital Management's portfolio in Q1 2026, its #38 holding.
Black Maple Capital Management first reported a position in Old Second Bancorp in Q1 2023 and has held it in 13 quarters since.
Black Maple Capital Management's Old Second Bancorp position peaked at $956K in Q4 2025.
188 funds tracked by Wall St. Rank held Old Second Bancorp as of Q1 2026.

Based on Black Maple Capital Management's 13F filing for Q1 2026, filed 15 May 2026.