Renaissance Technologies (RenTech)'s STXS Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 448,400 shares of Stereotaxis, Inc. (STXS) worth $1.03 M, representing 0.00% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 32 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in STXS, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2022, adding 726,000 shares. Largest reduction occurred in Q1 2025, reducing 284,091 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Stereotaxis (STXS) Holding Value Over Time
Track share changes against reported price movement
Quarterly Stereotaxis (STXS) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +68,000 | Add 17.88% | 448,400 | $2.30 |
| Q3 2025 | +336,600 | Add 768.49% | 380,400 | $3.11 |
| Q2 2025 | -78,309 | Reduce 64.13% | 43,800 | $2.12 |
| Q1 2025 | -284,091 | Reduce 69.94% | 122,109 | $1.76 |
| Q4 2024 | +44,000 | Add 12.15% | 406,200 | $2.28 |
| Q3 2024 | -126,500 | Reduce 25.89% | 362,200 | $2.04 |
| Q2 2024 | +154,400 | Add 46.19% | 488,700 | $1.82 |
| Q1 2024 | +22,700 | Add 7.28% | 334,300 | $2.61 |
| Q4 2023 | +21,900 | Add 7.56% | 311,600 | $1.75 |
| Q3 2023 | +24,700 | Add 9.32% | 289,700 | $1.58 |
| Q2 2023 | -107,532 | Reduce 28.87% | 265,000 | $0.00 |
| Q1 2023 | -126,068 | Reduce 25.28% | 372,532 | $0.00 |
| Q4 2022 | -58,900 | Reduce 10.57% | 498,600 | $0.00 |
| Q3 2022 | -240,600 | Reduce 30.15% | 557,500 | $1.80 |
| Q2 2022 | +726,000 | Add 1006.93% | 798,100 | $1.84 |
| Q1 2022 | +72,100 | New Buy | 72,100 | $3.73 |
| Q4 2021 | -142,100 | Sold Out | 0 | $0.00 |
| Q3 2021 | +142,100 | New Buy | 142,100 | $5.38 |
| Q2 2020 | -33,788 | Sold Out | 0 | $0.00 |
| Q1 2020 | -86,300 | Reduce 71.86% | 33,788 | $3.02 |
| Q4 2019 | +107,588 | Add 860.70% | 120,088 | $5.29 |
| Q3 2019 | +12,500 | New Buy | 12,500 | $3.52 |
| Q3 2016 | -248,700 | Sold Out | 0 | $0.00 |
| Q2 2016 | +58,600 | Add 30.83% | 248,700 | $0.98 |
| Q1 2016 | +13,100 | Add 7.40% | 190,100 | $1.10 |
| Q4 2015 | +4,300 | Add 2.49% | 177,000 | $0.75 |
| Q3 2015 | -14,200 | Reduce 7.60% | 172,700 | $0.93 |
| Q2 2015 | +29,900 | Add 19.04% | 186,900 | $1.44 |
| Q1 2015 | +121,600 | Add 343.50% | 157,000 | $2.05 |
| Q4 2014 | +35,400 | New Buy | 35,400 | $1.47 |
| Q3 2013 | -53,531 | Sold Out | 0 | $0.00 |
| Q2 2013 | +53,531 | Add 0.00% | 53,531 | $1.42 |
Renaissance Technologies (RenTech)'s Stereotaxis Investment FAQs
Renaissance Technologies (RenTech) first purchased Stereotaxis, Inc. (STXS) in Q2 2013, acquiring 53,531 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 Stereotaxis, Inc. (STXS) for 32 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Stereotaxis, Inc. (STXS) was in Q2 2022, adding 798,100 shares worth $1.47 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 448,400 shares of Stereotaxis, Inc. (STXS), valued at approximately $1.03 M.
As of the Q4 2025 filing, Stereotaxis, Inc. (STXS) represents approximately 0.00% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Stereotaxis, Inc. (STXS) was 798,100 shares, as reported at the end of Q2 2022.