Renaissance Technologies (RenTech)'s SEIC Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 397,226 shares of SEI Investments Company (SEIC) worth $32.58 M, representing 0.05% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in SEIC, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2018, adding 385,083 shares. Largest reduction occurred in Q2 2020, reducing 601,500 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s SEI Investments Company (SEIC) Holding Value Over Time
Track share changes against reported price movement
Quarterly SEI Investments Company (SEIC) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +10,300 | Add 2.66% | 397,226 | $82.02 |
| Q3 2025 | -35,000 | Reduce 8.30% | 386,926 | $84.85 |
| Q2 2025 | +224,100 | Add 113.28% | 421,926 | $89.86 |
| Q1 2025 | +127,400 | Add 180.90% | 197,826 | $77.63 |
| Q4 2024 | -120,900 | Reduce 63.19% | 70,426 | $82.48 |
| Q3 2024 | -5,100 | Reduce 2.60% | 191,326 | $69.19 |
| Q2 2024 | -78,100 | Reduce 28.45% | 196,426 | $64.69 |
| Q1 2024 | +49,400 | Add 21.94% | 274,526 | $71.90 |
| Q4 2023 | -13,800 | Reduce 5.78% | 225,126 | $63.55 |
| Q3 2023 | -90,500 | Reduce 27.47% | 238,926 | $60.23 |
| Q2 2023 | +50,800 | Add 18.23% | 329,426 | $0.06 |
| Q1 2023 | -92,900 | Reduce 25.00% | 278,626 | $0.06 |
| Q4 2022 | -31,600 | Reduce 7.84% | 371,526 | $0.06 |
| Q3 2022 | +60,800 | Add 17.76% | 403,126 | $49.05 |
| Q2 2022 | +318,626 | Add 1344.41% | 342,326 | $54.02 |
| Q1 2022 | -86,526 | Reduce 78.50% | 23,700 | $60.21 |
| Q4 2021 | -66,300 | Reduce 37.56% | 110,226 | $60.94 |
| Q3 2021 | +129,500 | Add 275.38% | 176,526 | $59.30 |
| Q2 2021 | -148,700 | Reduce 75.97% | 47,026 | $61.97 |
| Q1 2021 | +50,400 | Add 34.68% | 195,726 | $60.93 |
| Q4 2020 | -177,600 | Reduce 55.00% | 145,326 | $57.47 |
| Q3 2020 | +28,000 | Add 9.49% | 322,926 | $50.72 |
| Q2 2020 | -601,500 | Reduce 67.10% | 294,926 | $54.98 |
| Q1 2020 | +41,026 | Add 4.80% | 896,426 | $46.34 |
| Q4 2019 | -124,026 | Reduce 12.66% | 855,400 | $65.48 |
| Q3 2019 | -140,800 | Reduce 12.57% | 979,426 | $59.26 |
| Q2 2019 | +149,900 | Add 15.45% | 1.12 M | $56.10 |
| Q1 2019 | +376,317 | Add 63.35% | 970,326 | $52.25 |
| Q4 2018 | +385,083 | Add 184.32% | 594,009 | $46.20 |
| Q3 2018 | +89,300 | Add 74.65% | 208,926 | $61.10 |
| Q2 2018 | +90,000 | Add 303.79% | 119,626 | $62.52 |
| Q1 2018 | -43,674 | Reduce 59.58% | 29,626 | $74.90 |
| Q4 2017 | -19,726 | Reduce 21.20% | 73,300 | $71.86 |
| Q3 2017 | +16,400 | Add 21.40% | 93,026 | $61.06 |
| Q2 2017 | +76,626 | New Buy | 76,626 | $53.78 |
| Q1 2017 | -59,426 | Sold Out | 0 | $0.00 |
| Q4 2016 | +59,426 | New Buy | 59,426 | $49.36 |
| Q2 2016 | -239,326 | Sold Out | 0 | $0.00 |
| Q1 2016 | -160,874 | Reduce 40.20% | 239,326 | $43.05 |
| Q4 2015 | -210,100 | Reduce 34.43% | 400,200 | $52.40 |
| Q3 2015 | -292,900 | Reduce 32.43% | 610,300 | $48.23 |
| Q2 2015 | -265,526 | Reduce 22.72% | 903,200 | $49.03 |
| Q1 2015 | -527,000 | Reduce 31.08% | 1.17 M | $44.09 |
| Q4 2014 | -116,000 | Reduce 6.40% | 1.7 M | $40.04 |
| Q3 2014 | +14,400 | Add 0.80% | 1.81 M | $36.16 |
| Q2 2014 | +301,900 | Add 20.19% | 1.8 M | $32.77 |
| Q1 2014 | +331,626 | Add 28.50% | 1.5 M | $33.61 |
| Q4 2013 | +74,074 | Add 6.80% | 1.16 M | $34.73 |
| Q3 2013 | +239,800 | Add 28.21% | 1.09 M | $30.91 |
| Q2 2013 | +849,926 | Add 0.00% | 849,926 | $28.43 |
Renaissance Technologies (RenTech)'s SEI Investments Company Investment FAQs
Renaissance Technologies (RenTech) first purchased SEI Investments Company (SEIC) in Q2 2013, acquiring 849,926 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 (RenTech) has held SEI Investments Company (SEIC) for 50 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to SEI Investments Company (SEIC) was in Q2 2013, adding 849,926 shares worth $24.16 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 397,226 shares of SEI Investments Company (SEIC), valued at approximately $32.58 M.
As of the Q4 2025 filing, SEI Investments Company (SEIC) represents approximately 0.05% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in SEI Investments Company (SEIC) was 1,811,726 shares, as reported at the end of Q3 2014.