Mesirow Financial Investment Management
OSBC icon

Mesirow Financial Investment Management’s Old Second Bancorp OSBC Stock Holding History

Mesirow Financial Investment 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
2025
Q2 		– Sell
-16,412
Closed -$239K – 591
2025
Q1 		$239K Hold
16,412
– – ﹤0.01% 502
2024
Q4 		$292K Buy
16,412
+239
+1% +$4.15K 0.01% 464
2024
Q3 		$252K Buy
+16,173
New +$260K ﹤0.01% 496
2024
Q1 		– Sell
-26,214
Closed -$402K – 584
2023
Q4 		$402K Hold
26,214
– – 0.01% 350
2023
Q3 		$357K Hold
26,214
– – 1.55% 14
2023
Q2 		$342K Sell
26,214
-1,489
-5% -$18.9K 1.45% 24
2023
Q1 		$390K Hold
27,703
– – 1.61% 20
2022
Q4 		$444K Hold
27,703
– – 1.87% 12
2022
Q3 		$362K Hold
27,703
– – 1.72% 17
2022
Q2 		$371K Sell
27,703
-83
-0.3% -$1.19K 1.79% 16
2022
Q1 		$403K Sell
27,786
-10,289
-27% -$144K 1.36% 30
2021
Q4 		$479K Hold
38,075
– – 1.38% 34
2021
Q3 		$497K Buy
+38,075
New +$457K 1.46% 27
2020
Q2 		– Sell
-20,546
Closed -$142K – 79
2020
Q1 		$142K Sell
20,546
-214
-1% -$2.35K 0.89% 64
2019
Q4 		$280K Buy
+20,760
New +$259K 1.18% 55

Other funds holding OSBC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
FCM
FJ Capital Management Mclean, Virginia $770M AUM 28.42% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
DAM
Davis Asset Management Sausalito, California $3.95B AUM 11.79% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
BFC
Banc Funds Company Chicago, Illinois $605M AUM 26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mesirow Financial Investment Management's OSBC Position: Q2 2025 in Review

Mesirow Financial Investment Management sold out of Old Second Bancorp (OSBC) in Q2 2025, closing a stake of 16,412 shares — an estimated $239K sold.

Mesirow Financial Investment Management first reported a position in OSBC in Q4 2019 and held it in 15 quarters. The position peaked at $497K in Q3 2021. 183 funds tracked by Wall St. Rank hold OSBC as of Q2 2025.

  • Mesirow Financial Investment Management reported no remaining Old Second Bancorp position as of Q2 2025 after selling out during the quarter.
  • Mesirow Financial Investment Management sold 16,412 Old Second Bancorp shares in Q2 2025, an estimated $239K.
  • Mesirow Financial Investment Management first reported a position in Old Second Bancorp in Q4 2019 and held it in 15 quarters.
  • Mesirow Financial Investment Management's Old Second Bancorp position peaked at $497K in Q3 2021.
  • 183 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2025.

Based on Mesirow Financial Investment Management's 13F filing for Q2 2025, filed 4 Aug 2025.