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Martingale Asset Management’s Old Second Bancorp OSBC Stock Holding History

Martingale Asset 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 		$1.76M Sell
87,224
-23,244
-21% -$466K 0.04% 371
2025
Q4 		$2.15M Sell
110,468
-24,772
-18% -$463K 0.05% 299
2025
Q3 		$2.34M Buy
135,240
+3,248
+2% +$58.5K 0.06% 276
2025
Q2 		$2.34M Buy
131,992
+28,633
+28% +$467K 0.06% 273
2025
Q1 		$1.72M Buy
+103,359
New +$1.85M 0.04% 334
2021
Q3 		– Sell
-10,500
Closed -$131K – 912
2021
Q2 		$131K Hold
10,500
– – ﹤0.01% 817
2021
Q1 		$139K Buy
+10,500
New +$124K ﹤0.01% 829
2020
Q2 		– Sell
-11,145
Closed -$78K – 1056
2020
Q1 		$78K Sell
11,145
-36,255
-76% -$399K ﹤0.01% 951
2019
Q4 		$639K Sell
47,400
-21,800
-32% -$272K 0.01% 838
2019
Q3 		$846K Sell
69,200
-47,213
-41% -$585K 0.01% 802
2019
Q2 		$1.49M Buy
116,413
+7,300
+7% +$93.8K 0.02% 667
2019
Q1 		$1.37M Sell
109,113
-16,900
-13% -$234K 0.01% 699
2018
Q4 		$1.64M Sell
126,013
-70,378
-36% -$996K 0.02% 589
2018
Q3 		$3.04M Buy
196,391
+33,809
+21% +$515K 0.04% 451
2018
Q2 		$2.34M Buy
162,582
+83,918
+107% +$1.23M 0.03% 496
2018
Q1 		$1.09M Sell
78,664
-4,700
-6% -$66.9K 0.01% 703
2017
Q4 		$1.14M Buy
83,364
+15,229
+22% +$202K 0.02% 679
2017
Q3 		$917K Buy
68,135
+4,506
+7% +$52.9K 0.01% 750
2017
Q2 		$735K Buy
63,629
+5,100
+9% +$59.3K 0.01% 767
2017
Q1 		$659K Buy
58,529
+4,305
+8% +$46.3K 0.01% 779
2016
Q4 		$600K Buy
54,224
+15,904
+42% +$144K 0.01% 803
2016
Q3 		$319K Hold
38,320
– – ﹤0.01% 879
2016
Q2 		$262K Sell
38,320
-3
-0% -$21 ﹤0.01% 770
2016
Q1 		$275K Buy
38,323
+23,866
+165% +$165K 0.01% 754
2015
Q4 		$115K Buy
+14,457
New +$104K ﹤0.01% 817

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

Martingale Asset Management's OSBC Position: Q1 2026 in Review

Martingale Asset Management reduced its Old Second Bancorp (OSBC) stake by 21% in Q1 2026, selling an estimated $466K and leaving 87,224 shares worth $1.76M. The position accounts for 0.04% of the portfolio, ranked #371.

Martingale Asset Management first reported a position in OSBC in Q4 2015 and has held it in 25 quarters since. The position peaked at $3.04M in Q3 2018. 188 funds tracked by Wall St. Rank hold OSBC as of Q1 2026.

  • Martingale Asset Management held 87,224 shares of Old Second Bancorp worth $1.76M as of Q1 2026.
  • Martingale Asset Management sold 23,244 Old Second Bancorp shares in Q1 2026, an estimated $466K.
  • Old Second Bancorp made up 0.04% of Martingale Asset Management's portfolio in Q1 2026, its #371 holding.
  • Martingale Asset Management first reported a position in Old Second Bancorp in Q4 2015 and has held it in 25 quarters since.
  • Martingale Asset Management's Old Second Bancorp position peaked at $3.04M in Q3 2018.
  • 188 funds tracked by Wall St. Rank held Old Second Bancorp as of Q1 2026.

Based on Martingale Asset Management's 13F filing for Q1 2026, filed 13 May 2026.