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MAI Capital Management’s Old Second Bancorp OSBC Stock Holding History

MAI 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 		$30.1K Buy
1,491
+17
+1% +$341 ﹤0.01% 2560
2025
Q4 		$28.7K Buy
1,474
+44
+3% +$822 ﹤0.01% 2327
2025
Q3 		$24.7K Sell
1,430
-93
-6% -$1.68K ﹤0.01% 2313
2025
Q2 		$27K Buy
1,523
+166
+12% +$2.71K ﹤0.01% 2203
2025
Q1 		$22.6K Hold
1,357
– – ﹤0.01% 2129
2024
Q4 		$24.1K Buy
+1,357
New +$23.6K ﹤0.01% 2134

Other funds holding OSBC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
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
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
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 Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

MAI Capital Management's OSBC Position: Q1 2026 in Review

MAI Capital Management increased its Old Second Bancorp (OSBC) stake by 1.2% in Q1 2026, buying an estimated $341 and bringing the position to 1,491 shares worth $30.1K. The position accounts for ﹤0.01% of the portfolio, ranked #2560.

MAI Capital Management first reported a position in OSBC in Q4 2024 and has held it in 6 quarters since. 188 funds tracked by Wall St. Rank hold OSBC as of Q1 2026.

  • MAI Capital Management held 1,491 shares of Old Second Bancorp worth $30.1K as of Q1 2026.
  • MAI Capital Management bought 17 Old Second Bancorp shares in Q1 2026, an estimated $341.
  • Old Second Bancorp made up ﹤0.01% of MAI Capital Management's portfolio in Q1 2026, its #2560 holding.
  • MAI Capital Management first reported a position in Old Second Bancorp in Q4 2024 and has held it in 6 quarters since.
  • 188 funds tracked by Wall St. Rank held Old Second Bancorp as of Q1 2026.

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