Douglass Winthrop Advisors’s Ballard Power Systems BLDP Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$26.6K	Hold	11,000	–	–	﹤0.01%	301
2025 Q4	$27.9K	Hold	11,000	–	–	﹤0.01%	304
2025 Q3	$29.9K	Hold	11,000	–	–	﹤0.01%	300
2025 Q2	$17.5K	Hold	11,000	–	–	﹤0.01%	279
2025 Q1	$12.1K	Hold	11,000	–	–	﹤0.01%	279
2024 Q4	$18.3K	Hold	11,000	–	–	﹤0.01%	294
2024 Q3	$19.8K	Hold	11,000	–	–	﹤0.01%	288
2024 Q2	$24.8K	Hold	11,000	–	–	﹤0.01%	275
2024 Q1	$30.6K	Hold	11,000	–	–	﹤0.01%	283
2023 Q4	$40.3K	Hold	11,000	–	–	﹤0.01%	250
2023 Q3	$40.4K	Hold	11,000	–	–	﹤0.01%	234
2023 Q2	$48K	Hold	11,000	–	–	﹤0.01%	238
2023 Q1	$61K	Hold	11,000	–	–	﹤0.01%	235
2022 Q4	$53K	Hold	11,000	–	–	﹤0.01%	238
2022 Q3	$67K	Hold	11,000	–	–	﹤0.01%	241
2022 Q2	$69K	Hold	11,000	–	–	﹤0.01%	256
2022 Q1	$128K	Hold	11,000	–	–	﹤0.01%	261
2021 Q4	$138K	Hold	11,000	–	–	﹤0.01%	269
2021 Q3	$155K	Hold	11,000	–	–	﹤0.01%	269
2021 Q2	$199K	Hold	11,000	–	–	﹤0.01%	270
2021 Q1	$268K	Buy	+11,000	New	+$329K	0.01%	241