Castleark Management’s Ballard Power Systems BLDP Stock Holding History

Castleark Management’s Portfolio BLDP Stock Details BLDP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-14,890	Closed	-$16.4K	–	283
2025 Q1	$16.4K	Hold	14,890	–	–	﹤0.01%	278
2024 Q4	$24.7K	Hold	14,890	–	–	﹤0.01%	279
2024 Q3	$26.8K	Hold	14,890	–	–	﹤0.01%	264
2024 Q2	$33.5K	Hold	14,890	–	–	﹤0.01%	262
2024 Q1	$41.4K	Hold	14,890	–	–	﹤0.01%	269
2023 Q4	$55.1K	Hold	14,890	–	–	﹤0.01%	268
2023 Q3	$54.6K	Hold	14,890	–	–	﹤0.01%	261
2023 Q2	$64.9K	Sell	14,890 -14,900	-50%	-$67.9K	﹤0.01%	260
2023 Q1	$166K	Hold	29,790	–	–	0.01%	252
2022 Q4	$143K	Hold	29,790	–	–	0.01%	263
2022 Q3	$182K	Hold	29,790	–	–	0.01%	257
2022 Q2	$188K	Hold	29,790	–	–	0.01%	268
2022 Q1	$347K	Hold	29,790	–	–	0.02%	265
2021 Q4	$374K	Buy	29,790 +13,400	+82%	+$203K	0.01%	283
2021 Q3	$230K	Hold	16,390	–	–	0.01%	288
2021 Q2	$297K	Sell	16,390 -34,250	-68%	-$637K	0.01%	288
2021 Q1	$1.23M	Sell	50,640 -72,450	-59%	-$2.17M	0.04%	207
2020 Q4	$2.88M	Hold	123,090	–	–	0.11%	168
2020 Q3	$1.86M	Buy	+123,090	New	+$1.98M	0.07%	188

Other funds holding BLDP

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Two Sigma Advisers New York $51.4B AUM 31.07% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Canada Life Winnipeg, Manitoba, Canada $62.7B AUM 37.65% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Castleark Management's BLDP Position: Q2 2025 in Review

Castleark Management sold out of Ballard Power Systems (BLDP) in Q2 2025, closing a stake of 14,890 shares — an estimated $16.4K sold.

Castleark Management first reported a position in BLDP in Q3 2020 and held it in 19 quarters. The position peaked at $2.88M in Q4 2020. 132 funds tracked by Wall St. Rank hold BLDP as of Q2 2025.

Castleark Management reported no remaining Ballard Power Systems position as of Q2 2025 after selling out during the quarter.
Castleark Management sold 14,890 Ballard Power Systems shares in Q2 2025, an estimated $16.4K.
Castleark Management first reported a position in Ballard Power Systems in Q3 2020 and held it in 19 quarters.
Castleark Management's Ballard Power Systems position peaked at $2.88M in Q4 2020.
132 funds tracked by Wall St. Rank held Ballard Power Systems as of Q2 2025.

Based on Castleark Management's 13F filing for Q2 2025, filed 18 Aug 2025.