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PDT Partners’s Old Second Bancorp OSBC Stock Holding History

PDT Partners’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
-35,336
Closed -$588K – 801
2025
Q1 		$588K Sell
35,336
-18,799
-35% -$337K 0.04% 495
2024
Q4 		$963K Buy
+54,135
New +$941K 0.09% 349
2020
Q3 		– Sell
-21,400
Closed -$166K – 824
2020
Q2 		$166K Buy
21,400
+6,346
+42% +$47K 0.01% 605
2020
Q1 		$104K Buy
15,054
+4,702
+45% +$51.7K 0.01% 613
2019
Q4 		$139K Buy
+10,352
New +$129K 0.01% 678
2019
Q1 		– Sell
-11,591
Closed -$151K – 484
2018
Q4 		$151K Buy
11,591
+691
+6% +$9.78K 0.01% 424
2018
Q3 		$168K Sell
10,900
-10,900
-50% -$166K 0.01% 442
2018
Q2 		$314K Sell
21,800
-5,116
-19% -$74.8K 0.01% 442
2018
Q1 		$374K Buy
26,916
+463
+2% +$6.59K 0.01% 470
2017
Q4 		$361K Sell
26,453
-9,274
-26% -$123K 0.01% 470
2017
Q3 		$481K Buy
35,727
+4,892
+16% +$57.5K 0.02% 434
2017
Q2 		$356K Buy
+30,835
New +$358K 0.01% 436

Other funds holding OSBC

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $481B AUM 30.42% 1-Year Est. Return
FCM
FJ Capital Management Mclean, Virginia $888M AUM 18.97% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
DAM
Davis Asset Management Sausalito, California $3.46B AUM 9.77% 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
BFC
Banc Funds Company Chicago, Illinois $537M AUM 17.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

PDT Partners's OSBC Position: Q2 2025 in Review

PDT Partners sold out of Old Second Bancorp (OSBC) in Q2 2025, closing a stake of 35,336 shares — an estimated $588K sold.

PDT Partners first reported a position in OSBC in Q2 2017 and held it in 12 quarters. The position peaked at $963K in Q4 2024. 183 funds tracked by Wall St. Rank hold OSBC as of Q2 2025.

  • PDT Partners reported no remaining Old Second Bancorp position as of Q2 2025 after selling out during the quarter.
  • PDT Partners sold 35,336 Old Second Bancorp shares in Q2 2025, an estimated $588K.
  • PDT Partners first reported a position in Old Second Bancorp in Q2 2017 and held it in 12 quarters.
  • PDT Partners's Old Second Bancorp position peaked at $963K in Q4 2024.
  • 183 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2025.

Based on PDT Partners's 13F filing for Q2 2025, filed 14 Aug 2025.