Renaissance Technologies (RenTech)'s INGN Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 583,000 shares of Inogen, Inc. (INGN) worth $3.92 M, representing 0.01% of the portfolio. First purchased in 2014-Q4, this long-term strategic position has been held for 45 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in INGN, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2025, adding 237,900 shares. Largest reduction occurred in Q1 2019, reducing 265,800 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Inogen (INGN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Inogen (INGN) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -8,400 | Reduce 1.42% | 583,000 | $6.72 |
| Q3 2025 | -134,706 | Reduce 18.55% | 591,400 | $8.17 |
| Q2 2025 | -4,694 | Reduce 0.64% | 726,106 | $7.03 |
| Q1 2025 | +237,900 | Add 48.27% | 730,800 | $7.13 |
| Q4 2024 | +75,000 | Add 17.95% | 492,900 | $9.17 |
| Q3 2024 | +63,300 | Add 17.85% | 417,900 | $9.70 |
| Q2 2024 | -35,600 | Reduce 9.12% | 354,600 | $8.13 |
| Q1 2024 | -162,600 | Reduce 29.41% | 390,200 | $8.07 |
| Q4 2023 | +84,300 | Add 17.99% | 552,800 | $5.49 |
| Q3 2023 | +144,276 | Add 44.50% | 468,500 | $5.22 |
| Q2 2023 | +731 | Add 0.23% | 324,224 | $0.01 |
| Q1 2023 | +16,993 | Add 5.54% | 323,493 | $0.01 |
| Q4 2022 | -1,300 | Reduce 0.42% | 306,500 | $0.02 |
| Q3 2022 | -6,700 | Reduce 2.13% | 307,800 | $24.28 |
| Q2 2022 | -21,900 | Reduce 6.51% | 314,500 | $24.18 |
| Q1 2022 | +44,100 | Add 15.09% | 336,400 | $32.42 |
| Q4 2021 | +9,913 | Add 3.51% | 292,300 | $34.00 |
| Q3 2021 | +57,497 | Add 25.57% | 282,387 | $43.09 |
| Q2 2021 | +13,690 | Add 6.48% | 224,890 | $65.17 |
| Q1 2021 | -85,700 | Reduce 28.86% | 211,200 | $52.52 |
| Q4 2020 | -59,900 | Reduce 16.79% | 296,900 | $44.68 |
| Q3 2020 | +3,900 | Add 1.11% | 356,800 | $29.00 |
| Q2 2020 | +148,430 | Add 72.59% | 352,900 | $35.52 |
| Q1 2020 | -19,030 | Reduce 8.51% | 204,470 | $51.66 |
| Q4 2019 | -88,600 | Reduce 28.39% | 223,500 | $68.33 |
| Q3 2019 | +45,677 | Add 17.14% | 312,100 | $47.91 |
| Q2 2019 | -2,777 | Reduce 1.03% | 266,423 | $66.76 |
| Q1 2019 | -265,800 | Reduce 49.68% | 269,200 | $95.37 |
| Q4 2018 | +167,100 | Add 45.42% | 535,000 | $124.17 |
| Q3 2018 | +58,086 | Add 18.75% | 367,900 | $244.12 |
| Q2 2018 | +51,314 | Add 19.85% | 309,814 | $186.33 |
| Q1 2018 | +59,764 | Add 30.07% | 258,500 | $122.84 |
| Q4 2017 | +42,636 | Add 27.31% | 198,736 | $119.08 |
| Q3 2017 | +45,300 | Add 40.88% | 156,100 | $95.10 |
| Q2 2017 | -101,643 | Reduce 47.84% | 110,800 | $95.42 |
| Q1 2017 | +65,743 | Add 44.81% | 212,443 | $77.56 |
| Q4 2016 | -34,800 | Reduce 19.17% | 146,700 | $67.17 |
| Q3 2016 | -34,800 | Reduce 16.09% | 181,500 | $59.90 |
| Q2 2016 | -146,900 | Reduce 40.45% | 216,300 | $50.11 |
| Q1 2016 | +16,300 | Add 4.70% | 363,200 | $44.98 |
| Q4 2015 | -72,977 | Reduce 17.38% | 346,900 | $40.09 |
| Q3 2015 | +194,377 | Add 86.20% | 419,877 | $48.55 |
| Q2 2015 | +72,800 | Add 47.68% | 225,500 | $44.60 |
| Q1 2015 | +142,900 | Add 1458.16% | 152,700 | $31.99 |
| Q4 2014 | +9,800 | New Buy | 9,800 | $31.33 |
Renaissance Technologies (RenTech)'s Inogen Investment FAQs
Renaissance Technologies (RenTech) first purchased Inogen, Inc. (INGN) in Q4 2014, acquiring 9,800 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 Inogen, Inc. (INGN) for 45 quarters since Q4 2014.
Renaissance Technologies (RenTech)'s largest addition to Inogen, Inc. (INGN) was in Q1 2025, adding 730,800 shares worth $5.21 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 583,000 shares of Inogen, Inc. (INGN), valued at approximately $3.92 M.
As of the Q4 2025 filing, Inogen, Inc. (INGN) represents approximately 0.01% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Inogen, Inc. (INGN) was 730,800 shares, as reported at the end of Q1 2025.