Swiss National Bank’s Old Second Bancorp OSBC Stock Holding History

Swiss National Bank’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 Q2	$2.34M	Buy	100,400 +1,700	+2%	+$36.4K	﹤0.01%	1864
2026 Q1	$1.99M	Hold	98,700	–	–	﹤0.01%	1853
2025 Q4	$1.92M	Buy	98,700 +17,000	+21%	+$318K	﹤0.01%	1891
2025 Q3	$1.41M	Hold	81,700	–	–	﹤0.01%	2011
2025 Q2	$1.45M	Sell	81,700 -1,500	-2%	-$24.5K	﹤0.01%	1965
2025 Q1	$1.38M	Hold	83,200	–	–	﹤0.01%	1969
2024 Q4	$1.48M	Hold	83,200	–	–	﹤0.01%	2023
2024 Q3	$1.3M	Sell	83,200 -4,800	-5%	-$77.2K	﹤0.01%	2094
2024 Q2	$1.3M	Hold	88,000	–	–	﹤0.01%	2039
2024 Q1	$1.22M	Hold	88,000	–	–	﹤0.01%	2117
2023 Q4	$1.36M	Sell	88,000 -10,100	-10%	-$146K	﹤0.01%	2070
2023 Q3	$1.34M	Buy	98,100 +900	+0.9%	+$13.1K	﹤0.01%	2082
2023 Q2	$1.27M	Buy	97,200 +20,200	+26%	+$257K	﹤0.01%	2174
2023 Q1	$1.08M	Sell	77,000 -9,000	-10%	-$144K	﹤0.01%	2207
2022 Q4	$1.38M	Buy	86,000 +2,200	+3%	+$35.2K	﹤0.01%	2141
2022 Q3	$1.09M	Hold	83,800	–	–	﹤0.01%	2288
2022 Q2	$1.12M	Buy	+83,800	New	+$1.2M	﹤0.01%	2300

Other funds holding OSBC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

DAM

Davis Asset Management Sausalito, California $3.95B AUM 11.79% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

FCM

FJ Capital Management Mclean, Virginia $770M AUM 28.42% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Swiss National Bank's OSBC Position: Q2 2026 in Review

Swiss National Bank increased its Old Second Bancorp (OSBC) stake by 1.7% in Q2 2026, buying an estimated $36.4K and bringing the position to 100,400 shares worth $2.34M. The position accounts for ﹤0.01% of the portfolio, ranked #1864.

Swiss National Bank first reported a position in OSBC in Q2 2022 and has held it in 17 quarters since. 184 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

Swiss National Bank held 100,400 shares of Old Second Bancorp worth $2.34M as of Q2 2026.
Swiss National Bank bought 1,700 Old Second Bancorp shares in Q2 2026, an estimated $36.4K.
Old Second Bancorp made up ﹤0.01% of Swiss National Bank's portfolio in Q2 2026, its #1864 holding.
Swiss National Bank first reported a position in Old Second Bancorp in Q2 2022 and has held it in 17 quarters since.
184 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on Swiss National Bank's 13F filing for Q2 2026, filed 11 Aug 2026.