David A. Siegel Ballard Power Systems Inc. Transaction History

Two Sigma Advisers, LP

$46.1 Billion
Q2 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Ballard Power Systems Inc. stock. As of the latest transaction made, Two Sigma Advisers, LP holds 5,517,400 shares of BLDP stock, worth $9.55 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares

5,517,400

Previous 2,266,300 143.45%

Holding current value

$9.55 Million

Previous $2.49 Million 252.01%

% of portfolio

0.02%

Previous 0.01%

23 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$1.02 - $1.79 $3.32 Million - $5.82 Million	3,251,100 Added 143.45%	5,517,400 $8.77 Million
Q1 2025 May 15, 2025	BUY	$1.1 - $1.99 $1.42 Million - $2.57 Million	1,291,200 Added 132.42%	2,266,300 $2.49 Million
Q4 2024 Feb 14, 2025	BUY	$1.27 - $1.78 $633,222 - $887,508	498,600 Added 104.64%	975,100 $1.62 Million
Q3 2024 Nov 14, 2024	SELL	$1.66 - $2.67 $5,976 - $9,612	-3,600 Reduced 0.75%	476,500 $857,000
Q2 2024 Aug 14, 2024	BUY	$2.25 - $3.27 $217,350 - $315,882	96,600 Added 25.19%	480,100 $1.08 Million
Q1 2024 May 15, 2024	BUY	$2.66 - $3.65 $834,442 - $1.15 Million	313,700 Added 449.43%	383,500 $1.07 Million
Q4 2023 Feb 14, 2024	BUY	$3.16 - $3.92 $220,568 - $273,616	69,800 New	69,800 $258,000
Q1 2023 May 15, 2023	SELL	$4.73 - $6.94 $1.31 Million - $1.92 Million	-276,091 Reduced 44.42%	345,409 $1.92 Million
Q4 2022 Feb 14, 2023	SELL	$4.47 - $6.89 $461,751 - $711,737	-103,300 Reduced 14.25%	621,500 $2.98 Million
Q3 2022 Nov 14, 2022	BUY	$6.12 - $8.97 $1.12 Million - $1.64 Million	183,000 Added 33.78%	724,800 $4.44 Million
Q2 2022 Aug 15, 2022	BUY	$5.83 - $12.4 $2.07 Million - $4.41 Million	355,400 Added 190.67%	541,800 $3.41 Million
Q1 2022 May 16, 2022	BUY	$8.86 - $12.63 $1.25 Million - $1.78 Million	140,700 Added 307.88%	186,400 $2.17 Million
Q4 2021 Feb 14, 2022	BUY	$11.98 - $19.34 $547,486 - $883,838	45,700 New	45,700 $574,000
Q3 2021 Nov 15, 2021	SELL	$13.77 - $18.22 $334,611 - $442,746	-24,300 Closed	0 $0
Q2 2021 Aug 16, 2021	BUY	$13.83 - $24.77 $336,069 - $601,911	24,300 New	24,300 $440,000
Q4 2020 Feb 16, 2021	SELL	$14.44 - $23.56 $7.26 Million - $11.8 Million	-502,800 Closed	0 $0
Q3 2020 Nov 16, 2020	BUY	$13.72 - $20.76 $227,752 - $344,616	16,600 Added 3.41%	502,800 $7.59 Million
Q2 2020 Aug 14, 2020	SELL	$7.26 - $15.53 $3.63 Million - $7.76 Million	-499,800 Reduced 50.69%	486,200 $7.49 Million
Q1 2020 May 15, 2020	BUY	$7.33 - $14.14 $6.16 Million - $11.9 Million	840,600 Added 578.13%	986,000 $7.5 Million
Q4 2019 Feb 14, 2020	BUY	$4.78 - $7.26 $695,012 - $1.06 Million	145,400 New	145,400 $1.04 Million
Q1 2018 May 15, 2018	SELL	$2.98 - $4.4 $32,184 - $47,520	-10,800 Closed	0 $0
Q4 2017 Feb 14, 2018	SELL	$4.41 - $5.86 $110,691 - $147,086	-25,100 Reduced 69.92%	10,800 $48,000
Q3 2017 Nov 14, 2017	BUY	$2.72 - $5.03 $97,648 - $180,577	35,900	35,900 $169,000

Others Institutions Holding BLDP

# of Institutions

154

Shares Held

74.8M

Call Options Held

46.7K

Put Options Held

76.3K

View Full List

About Ballard Power Systems Inc.

Ticker BLDP
Exchange NASDAQ
Sector Industrials
Industry Specialty Industrial Machinery
Shares Outstandng 298,191,008
Market Cap $516M
Description
Ballard Power Systems Inc. engages in the design, development, manufacture, sale, and service of proton exchange membrane (PEM) fuel cell products. The company offers its products for power product markets, consisting of heavy-duty motives, such as bus, truck, rail, and marine applications; material handling; and backup power. It also provides t...

More about BLDP

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