Principal Financial Group
OSBC icon

Principal Financial Group’s Old Second Bancorp OSBC Stock Holding History

Principal Financial Group’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
Q3 		$3.29M Buy
134,253
+53,719
+67% +$1.33M ﹤0.01% 1782
2026
Q2 		$1.88M Buy
80,534
+5,444
+7% +$116K ﹤0.01% 1856
2026
Q1 		$1.51M Buy
75,090
+25,308
+51% +$508K ﹤0.01% 1867
2025
Q4 		$971K Buy
49,782
+14,820
+42% +$277K ﹤0.01% 1959
2025
Q3 		$604K Sell
34,962
-4,608
-12% -$83K ﹤0.01% 2020
2025
Q2 		$702K Buy
39,570
+3,136
+9% +$51.1K ﹤0.01% 1943
2025
Q1 		$606K Buy
36,434
+1,109
+3% +$19.9K ﹤0.01% 1907
2024
Q4 		$628K Buy
35,325
+3,082
+10% +$53.6K ﹤0.01% 1932
2024
Q3 		$503K Buy
32,243
+3,313
+11% +$53.3K ﹤0.01% 1950
2024
Q2 		$428K Buy
28,930
+2,462
+9% +$34.6K ﹤0.01% 1990
2024
Q1 		$366K Buy
+26,468
New +$370K ﹤0.01% 2052
2020
Q4 		– Sell
-23,869
Closed -$179K – 2448
2020
Q3 		$179K Buy
23,869
+11,289
+90% +$90.3K ﹤0.01% 2222
2020
Q2 		$98K Buy
+12,580
New +$93.1K ﹤0.01% 2254
2019
Q2 		– Sell
-12,992
Closed -$164K – 2259
2019
Q1 		$164K Sell
12,992
-58
-0.4% -$803 ﹤0.01% 2135
2018
Q4 		$170K Buy
+13,050
New +$185K ﹤0.01% 2153

Other funds holding OSBC

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $111B AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Banc Funds Company
Banc Funds Company Chicago, Illinois $630M AUM 18.94% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Forum Financial Management
Forum Financial Management Lombard, Illinois $7.7B AUM 11.59% 1-Year Est. Return
Siena Capital Partners
Siena Capital Partners Chicago, Illinois $425M AUM 12.18% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $38.6B AUM 22.09% 1-Year Est. Return

Principal Financial Group's OSBC Position: Q3 2026 in Review

Principal Financial Group increased its Old Second Bancorp (OSBC) stake by 67% in Q3 2026, buying an estimated $1.33M and bringing the position to 134,253 shares worth $3.29M. The position accounts for ﹤0.01% of the portfolio, ranked #1782.

Principal Financial Group first reported a position in OSBC in Q4 2018 and has held it in 15 quarters since. 99 funds tracked by Wall St. Rank hold OSBC as of Q3 2026.

  • Principal Financial Group held 134,253 shares of Old Second Bancorp worth $3.29M as of Q3 2026.
  • Principal Financial Group bought 53,719 Old Second Bancorp shares in Q3 2026, an estimated $1.33M.
  • Old Second Bancorp made up ﹤0.01% of Principal Financial Group's portfolio in Q3 2026, its #1782 holding.
  • Principal Financial Group first reported a position in Old Second Bancorp in Q4 2018 and has held it in 15 quarters since.
  • 99 funds tracked by Wall St. Rank held Old Second Bancorp as of Q3 2026.

Based on Principal Financial Group's 13F filing for Q3 2026, filed 2 Nov 2026.