| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $16.9M | 0.02% | 4.34M | +672% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
| Member | Buys | Sells | Est. net | Last move |
|---|---|---|---|---|
| Austin Scott GA08 | 1 | −$8.0K | Sold Jul 31, 24 |
| Traded | Member | Owner | Type | Amount | Filed | Report |
|---|---|---|---|---|---|---|
| Jul 31, 24 | Austin Scott GA08 | Spouse | Sell | $1,001 - $15,000 | Aug 13, 25 (378d) |
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Sep 7, 2026 | Igbalode (Kate Renee)Senior Officer of Issuer | Exercise of rights at price 2.37 per share. | 16.1K | $38.23K |
| Sep 6, 2026 | Elmer (Theo Lucian Savage)Senior Officer of Issuer | — | 0 | — |
| Aug 20, 2026 | Cunningham (Andrew)Director of Issuer | — | 0 | — |
| Aug 20, 2026 | Harrington (Richard Irwin)Director of Issuer | — | 0 | — |
| Jul 5, 2026 | Weichai Power Company Ltd.10% Security Holder of Issuer | Disposition in the public market at price 3.55 per share. | 151.3K | $537.90K |
| Jul 5, 2026 | Weichai Power Hong Kong International Development Co Ltd.10% Security Holder of Issuer | Disposition in the public market at price 3.55 per share. | 151.3K | $537.90K |
| May 14, 2026 | Weichai Power Company Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.07 per share. | 3.90M | $15.86M |
| May 14, 2026 | Weichai Power Hong Kong International Development Co Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.07 per share. | 3.90M | $15.86M |
| May 13, 2026 | Weichai Power Company Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.12 per share. | 923K | $3.80M |
| May 13, 2026 | Weichai Power Hong Kong International Development Co Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.12 per share. | 923K | $3.80M |
| May 12, 2026 | Weichai Power Company Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.17 per share. | 3.33M | $13.90M |
| May 12, 2026 | Weichai Power Hong Kong International Development Co Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.17 per share. | 3.33M | $13.90M |
| May 11, 2026 | Weichai Power Company Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.22 per share. | 2.37M | $9.99M |
| May 11, 2026 | Weichai Power Hong Kong International Development Co Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.22 per share. | 2.37M | $9.99M |
| May 10, 2026 | Weichai Power Company Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.18 per share. | 2.40M | $10.02M |
| May 10, 2026 | Weichai Power Hong Kong International Development Co Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.18 per share. | 2.40M | $10.02M |
| May 7, 2026 | Weichai Power Company Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.27 per share. | 2.11M | $9.02M |
| May 7, 2026 | Weichai Power Hong Kong International Development Co Ltd.10% Security Holder of Issuer | Disposition in the public market at price 4.27 per share. | 2.11M | $9.02M |
| Apr 12, 2026 | Robinett (Ralph)Senior Officer of Issuer | — | 0 | — |
| Mar 31, 2026 | Mundy (Sindy)Senior Officer of Issuer | — | 0 | — |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -8.3 | -8.2 | 13.1 | 40.5 | 85.0 | -38.2 | -31.4 | -13.5 | -11.7 | -13.0 | −30.1% | ||
| 2025 | -18.1 | -9.6 | -10.6 | 10.9 | 5.7 | 23.3 | 15.1 | 10.4 | 34.7 | 31.2 | -20.4 | -10.6 | +53.0% |
| 2024 | -11.4 | -4.3 | -11.5 | -5.4 | 17.5 | -27.2 | 1.3 | -19.3 | -2.2 | -12.2 | -5.7 | 11.4 | −55.1% |
| 2023 | 36.3 | -12.9 | -2.1 | -20.6 | -5.4 | 4.3 | 8.3 | -11.0 | -12.6 | -9.3 | 5.4 | 5.4 | −22.8% |
| 2022 | -17.2 | 9.8 | 1.9 | -28.7 | -12.4 | -13.3 | 27.5 | -2.9 | -21.5 | -7.4 | 7.6 | -21.5 | −61.9% |
| 2021 | 46.0 | -18.6 | -12.5 | -10.1 | -20.8 | 4.6 | -10.8 | 3.9 | -16.4 | 29.0 | -16.3 | -17.2 | −46.3% |
| 2020 | 37.5 | -9.8 | -14.5 | 33.5 | 6.2 | 42.7 | -7.7 | 16.7 | -9.0 | -2.2 | 39.0 | 14.0 | +225.9% |
| 2019 | 46.0 | 2.6 | -15.9 | 10.3 | 15.7 | 6.3 | -0.7 | 11.1 | 8.7 | 12.9 | 20.1 | 8.3 | +200.4% |
| 2018 | -15.9 | 0.8 | -5.1 | -9.6 | -7.5 | -4.0 | 7.0 | 16.1 | 21.5 | -13.5 | -19.9 | -19.8 | −45.8% |
| 2017 | 12.7 | 2.7 | 16.2 | 47.3 | -15.3 | 4.7 | 1.0 | 6.5 | 50.0 | 6.8 | -4.6 | -7.5 | +167.3% |
| 2016 | -14.7 | 6.8 | -1.4 | 14.3 | -13.8 | -9.4 | 54.4 | 7.8 | 6.3 | -10.9 | -3.6 | -13.2 | +5.8% |
| 2015 | -21.7 | 47.7 | -8.3 | 6.2 | -6.3 | 0.0 | -35.4 | -0.7 | -10.4 | 25.8 | -15.9 | 22.8 | −21.2% |
| 2014 | 39.5 | 74.5 | 18.9 | -16.8 | 4.1 | 8.1 | -3.4 | -4.8 | -14.8 | -13.3 | -18.2 | -13.5 | +30.3% |
| 2013 | 9.8 | 4.5 | 47.1 | -9.7 | 83.9 | 5.8 | 8.3 | -25.5 | 19.9 | -21.7 | -3.6 | 15.2 | +149.2% |
| 2012 | 10.2 | 26.9 | -5.3 | 0.0 | -19.6 | -0.9 | -9.6 | -7.8 | -24.2 | 0.0 | -8.3 | -7.6 | −43.5% |
| 2011 | 10.7 | 30.1 | 7.9 | -11.6 | -15.0 | -9.1 | -3.1 | -9.7 | -12.9 | 24.0 | -12.0 | -18.2 | −28.0% |
| 2010 | 18.5 | 0.0 | 19.2 | -12.0 | -17.4 | -19.1 | 7.6 | 5.3 | -6.2 | 7.2 | -26.3 | 13.6 | −20.6% |
| 2009 | 9.7 | -12.1 | 46.8 | 28.1 | -9.3 | -3.2 | 3.3 | -7.5 | 52.9 | -17.1 | 4.1 | -16.7 | +67.3% |
| 2008 | -12.7 | -1.3 | -9.5 | 2.7 | 1.7 | -2.6 | -2.4 | 13.8 | -23.1 | -22.2 | -20.2 | -48.9 | −78.5% |
| 2007 | -2.3 | 8.8 | -8.6 | -9.6 | -8.0 | 16.7 | -12.7 | -4.5 | 11.2 | 2.4 | -11.8 | 16.9 | −7.6% |
Ballard Power Systems Inc. engages in the design, development, manufacture, sale, and service of proton exchange membrane (PEM) fuel cell products. The company offers products for various applications focusing on power products for bus, truck, rail, marine, stationary, and emerging market, such as material handling, off-road, and other applications. It also engages in the delivery of services, including technology solutions, after sales services, and training, as well as offers engineering and technology transfer services. The company operates in the United States, Poland, Canada, Germany, the United Kingdom, Egypt, Spain, China, the Netherlands, Denmark, France, and internationally. Ballard Power Systems Inc. was founded in 1979 and is headquartered in Burnaby, Canada.
Buy / hold / sell counts