Renaissance Technologies's OSBC Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 86,325 shares of Old Second Bancorp, Inc. (OSBC) worth $1.68 M, representing 0.00% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 quarters.
Based on 13F filings since 2013, Renaissance Technologies has maintained a long-term strategic position in OSBC, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2017, adding 123,000 shares. Largest reduction occurred in Q1 2022, reducing 163,900 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's Old Second Bancorp (OSBC) Holding Value Over Time
Track share changes against reported price movement
Quarterly Old Second Bancorp (OSBC) Trades by Renaissance Technologies
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +37,200 | Add 75.73% | 86,325 | $19.50 |
| Q3 2025 | -33,600 | Reduce 40.62% | 49,125 | $17.29 |
| Q2 2025 | -69,200 | Reduce 45.55% | 82,725 | $17.74 |
| Q1 2025 | +45,700 | Add 43.02% | 151,925 | $16.64 |
| Q4 2024 | -48,400 | Reduce 31.30% | 106,225 | $17.78 |
| Q3 2024 | -67,900 | Reduce 30.51% | 154,625 | $15.59 |
| Q2 2024 | -52,000 | Reduce 18.94% | 222,525 | $14.81 |
| Q1 2024 | -64,000 | Reduce 18.91% | 274,525 | $13.84 |
| Q4 2023 | -13,900 | Reduce 3.94% | 338,525 | $15.44 |
| Q3 2023 | -48,200 | Reduce 12.03% | 352,425 | $13.61 |
| Q2 2023 | -41,000 | Reduce 9.28% | 400,625 | $0.01 |
| Q1 2023 | -47,800 | Reduce 9.77% | 441,625 | $0.01 |
| Q4 2022 | -21,800 | Reduce 4.26% | 489,425 | $0.02 |
| Q3 2022 | -87,800 | Reduce 14.66% | 511,225 | $13.05 |
| Q2 2022 | -98,700 | Reduce 14.15% | 599,025 | $13.38 |
| Q1 2022 | -163,900 | Reduce 19.02% | 697,725 | $14.51 |
| Q4 2021 | -10,750 | Reduce 1.23% | 861,625 | $12.59 |
| Q3 2021 | +24,550 | Add 2.90% | 872,375 | $13.06 |
| Q2 2021 | -13,300 | Reduce 1.54% | 847,825 | $12.40 |
| Q1 2021 | -146,413 | Reduce 14.53% | 861,125 | $13.21 |
| Q4 2020 | -47,687 | Reduce 4.52% | 1.01 M | $10.10 |
| Q3 2020 | -137,700 | Reduce 11.54% | 1.06 M | $7.50 |
| Q2 2020 | +46,700 | Add 4.07% | 1.19 M | $7.78 |
| Q1 2020 | -69,104 | Reduce 5.69% | 1.15 M | $6.91 |
| Q4 2019 | +35,904 | Add 3.04% | 1.22 M | $13.47 |
| Q3 2019 | +59,000 | Add 5.27% | 1.18 M | $12.22 |
| Q2 2019 | +18,500 | Add 1.68% | 1.12 M | $12.77 |
| Q1 2019 | +87,200 | Add 8.59% | 1.1 M | $12.59 |
| Q4 2018 | -118,075 | Reduce 10.42% | 1.01 M | $13.00 |
| Q3 2018 | +1,100 | Add 0.10% | 1.13 M | $15.45 |
| Q2 2018 | +77,300 | Add 7.33% | 1.13 M | $14.40 |
| Q1 2018 | +35,700 | Add 3.50% | 1.05 M | $13.90 |
| Q4 2017 | +69,300 | Add 7.30% | 1.02 M | $13.65 |
| Q3 2017 | +105,200 | Add 12.46% | 949,400 | $13.45 |
| Q2 2017 | +123,000 | Add 17.05% | 844,200 | $11.55 |
| Q1 2017 | +54,900 | Add 8.24% | 721,200 | $11.25 |
| Q4 2016 | +107,564 | Add 19.25% | 666,300 | $11.05 |
| Q3 2016 | +117,936 | Add 26.75% | 558,736 | $8.31 |
| Q2 2016 | +21,000 | Add 5.00% | 440,800 | $6.83 |
| Q1 2016 | +30,200 | Add 7.75% | 419,800 | $7.17 |
| Q4 2015 | +27,700 | Add 7.65% | 389,600 | $7.84 |
| Q3 2015 | +59,892 | Add 19.83% | 361,900 | $6.23 |
| Q2 2015 | +115,408 | Add 61.85% | 302,008 | $6.60 |
| Q1 2015 | +23,832 | Add 14.64% | 186,600 | $5.72 |
| Q4 2014 | +33,988 | Add 26.39% | 162,768 | $5.37 |
| Q3 2014 | +6,636 | Add 5.43% | 128,780 | $4.81 |
| Q2 2014 | -20,467 | Reduce 14.35% | 122,144 | $4.97 |
| Q1 2014 | -15,489 | Reduce 9.80% | 142,611 | $4.60 |
| Q4 2013 | -19,700 | Reduce 11.08% | 158,100 | $4.62 |
| Q3 2013 | +14,300 | Add 8.75% | 177,800 | $5.69 |
| Q2 2013 | +163,500 | Add 0.00% | 163,500 | $5.52 |
Renaissance Technologies's Old Second Bancorp Investment FAQs
Renaissance Technologies first purchased Old Second Bancorp, Inc. (OSBC) in Q2 2013, acquiring 163,500 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies has held Old Second Bancorp, Inc. (OSBC) for 51 quarters since Q2 2013.
Renaissance Technologies's largest addition to Old Second Bancorp, Inc. (OSBC) was in Q2 2013, adding 163,500 shares worth $903,000.
According to the latest 13F filing for Q4 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 86,325 shares of Old Second Bancorp, Inc. (OSBC), valued at approximately $1.68 M.
As of the Q4 2025 filing, Old Second Bancorp, Inc. (OSBC) represents approximately 0.00% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies's peak holding in Old Second Bancorp, Inc. (OSBC) was 1,215,329 shares, as reported at the end of Q4 2019.