Millennium Management’s Old Second Bancorp OSBC Stock Holding History

Millennium 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	$635K	Sell	31,475 -282,085	-90%	-$5.66M	﹤0.01%	4648
2025 Q4	$6.11M	Buy	+313,560	New	+$5.86M	﹤0.01%	2790
2025 Q3	–	Sell	-57,426	Closed	-$1.02M	–	6342
2025 Q2	$1.02M	Sell	57,426 -225,011	-80%	-$3.67M	﹤0.01%	4392
2025 Q1	$4.7M	Sell	282,437 -25,786	-8%	-$462K	﹤0.01%	2924
2024 Q4	$5.48M	Buy	308,223 +252,430	+452%	+$4.39M	﹤0.01%	2735
2024 Q3	$870K	Sell	55,793 -52,309	-48%	-$842K	﹤0.01%	4389
2024 Q2	$1.6M	Buy	+108,102	New	+$1.52M	﹤0.01%	3727
2024 Q1	–	Sell	-44,178	Closed	-$682K	–	6523
2023 Q4	$682K	Buy	44,178 +7,868	+22%	+$114K	﹤0.01%	4446
2023 Q3	$494K	Buy	+36,310	New	+$530K	﹤0.01%	4672
2023 Q2	–	Sell	-75,721	Closed	-$1.06M	–	6534
2023 Q1	$1.06M	Sell	75,721 -73,864	-49%	-$1.18M	﹤0.01%	4036
2022 Q4	$2.4M	Sell	149,585 -94,570	-39%	-$1.51M	﹤0.01%	3425
2022 Q3	$3.19M	Buy	244,155 +129,565	+113%	+$1.82M	﹤0.01%	3334
2022 Q2	$1.53M	Buy	114,590 +85,380	+292%	+$1.22M	﹤0.01%	3971
2022 Q1	$424K	Sell	29,210 -8,449	-22%	-$118K	﹤0.01%	5245
2021 Q4	$474K	Sell	37,659 -14,327	-28%	-$188K	﹤0.01%	5095
2021 Q3	$679K	Sell	51,986 -35,042	-40%	-$421K	﹤0.01%	5050
2021 Q2	$1.08M	Buy	+87,028	New	+$1.16M	﹤0.01%	4591
2021 Q1	–	Sell	-35,269	Closed	-$356K	–	6362
2020 Q4	$356K	Buy	+35,269	New	+$335K	﹤0.01%	4444
2020 Q3	–	Sell	-60,816	Closed	-$473K	–	4720
2020 Q2	$473K	Buy	+60,816	New	+$450K	﹤0.01%	3439
2020 Q1	–	Sell	-105,660	Closed	-$1.42M	–	4302
2019 Q4	$1.42M	Buy	105,660 +62,742	+146%	+$783K	﹤0.01%	2816
2019 Q3	$524K	Buy	42,918 +15,914	+59%	+$197K	﹤0.01%	3229
2019 Q2	$345K	Buy	27,004 +12,198	+82%	+$157K	﹤0.01%	3464
2019 Q1	$186K	Buy	+14,806	New	+$205K	﹤0.01%	3753
2018 Q4	–	Sell	-57,817	Closed	-$893K	–	4064
2018 Q3	$893K	Sell	57,817 -80,417	-58%	-$1.23M	﹤0.01%	2937
2018 Q2	$1.99M	Sell	138,234 -32,955	-19%	-$482K	﹤0.01%	2405
2018 Q1	$2.38M	Sell	171,189 -159,589	-48%	-$2.27M	﹤0.01%	2210
2017 Q4	$4.51M	Buy	330,778 +85,576	+35%	+$1.14M	0.01%	1790
2017 Q3	$3.3M	Buy	245,202 +8,664	+4%	+$102K	0.01%	1894
2017 Q2	$2.73M	Buy	236,538 +59,382	+34%	+$690K	﹤0.01%	1897
2017 Q1	$1.99M	Buy	177,156 +50,171	+40%	+$540K	﹤0.01%	2021
2016 Q4	$1.4M	Buy	126,985 +82,483	+185%	+$747K	﹤0.01%	2069
2016 Q3	$370K	Buy	+44,502	New	+$341K	﹤0.01%	2734
2016 Q2	–	Sell	-15,987	Closed	-$115K	–	3455
2016 Q1	$115K	Sell	15,987 -42,311	-73%	-$292K	﹤0.01%	3062
2015 Q4	$457K	Buy	58,298 +47,171	+424%	+$340K	﹤0.01%	2688
2015 Q3	$69K	Buy	+11,127	New	+$70.4K	﹤0.01%	3312
2014 Q3	–	Sell	-54,473	Closed	-$271K	–	3922
2014 Q2	$271K	Buy	+54,473	New	+$261K	﹤0.01%	2935

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

Millennium Management's OSBC Position: Q1 2026 in Review

Millennium Management reduced its Old Second Bancorp (OSBC) stake by 90% in Q1 2026, selling an estimated $5.66M and leaving 31,475 shares worth $635K. The position accounts for ﹤0.01% of the portfolio, ranked #4648.

Millennium Management first reported a position in OSBC in Q2 2014 and has held it in 36 quarters since. The position peaked at $6.11M in Q4 2025. 188 funds tracked by Wall St. Rank hold OSBC as of Q1 2026.

Millennium Management held 31,475 shares of Old Second Bancorp worth $635K as of Q1 2026.
Millennium Management sold 282,085 Old Second Bancorp shares in Q1 2026, an estimated $5.66M.
Old Second Bancorp made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4648 holding.
Millennium Management first reported a position in Old Second Bancorp in Q2 2014 and has held it in 36 quarters since.
Millennium Management's Old Second Bancorp position peaked at $6.11M in Q4 2025.
188 funds tracked by Wall St. Rank held Old Second Bancorp as of Q1 2026.

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