CITADEL ADVISORS LLC

CIK

1423053

City

MIAMI

State / Country

Stock

BLDP — Ballard Power Systems Inc.

Top Portfolio Positions

4,258 positions · $547,099,389,428 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	64,565,975	$41,989,836,181	7.67%
QQQ	Invesco Qqq Trust, Series 1	55,171,964	$31,844,154,181	5.82%
NVDA	Nvidia Corp Technology	137,243,161	$23,935,207,278	4.37%
TSLA	Tesla, Inc. Consumer Cyclical	63,922,509	$23,763,192,720	4.34%
GLD	Spdr Gold Trust	34,441,722	$14,819,928,559	2.71%
AAPL	Apple Inc. Technology	55,393,070	$14,058,207,235	2.57%
META	Meta Platforms, Inc. Communication Services	23,967,037	$13,712,260,878	2.51%
MSFT	Microsoft Corp Technology	32,176,424	$11,910,746,871	2.18%
AMZN	Amazon Com Inc Consumer Cyclical	51,582,437	$10,743,074,153	1.96%
MU	Micron Technology Inc Technology	31,629,772	$10,685,802,171	1.95%

Portfolio Trend

25 quarters · across all stocks

Holdings in BLDP

Compact Export CSV

Shares Held

Position Value (USD)

50 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2020-03-31	$505,235	66,391	-34.5%	Shares	Defined	2020-05-15
2020-03-31	$770,893	101,300	-54.7%	Put	Defined	2020-05-15
2020-03-31	$1,700,074	223,400	-50.0%	Call	Defined	2020-05-15
2020-06-30	$6,879,118	446,696	+3750.8%	Shares	Defined	2020-08-14
2020-06-30	$178,640	11,600	-94.8%	Call	Defined	2020-08-14
2020-06-30	$3,406,480	221,200	-81.0%	Put	Defined	2020-08-14
2020-09-30	$17,541,186	1,161,668	+5132.7%	Shares	Defined	2020-11-16
2020-09-30	$335,220	22,200	-79.7%	Call	Defined	2020-11-16
2020-09-30	$1,650,430	109,300	-63.8%	Put	Defined	2020-11-16
2020-12-31	$7,071,480	302,200	-52.0%	Call	Defined	2021-02-16
2020-12-31	$14,727,538	629,382	+183.8%	Shares	Defined	2021-02-16
2020-12-31	$5,190,120	221,800	-67.4%	Put	Defined	2021-02-16
2021-03-31	$16,551,248	680,002	+103.8%	Shares	Defined	2021-05-21
2021-03-31	$8,119,824	333,600	-51.2%	Put	Defined	2021-05-21
2021-03-31	$16,643,692	683,800	+79.9%	Call	Defined	2021-05-21
2021-06-30	$6,887,412	380,100	-30.2%	Call	Defined	2021-08-16
2021-06-30	$9,865,325	544,444	+77.3%	Shares	Defined	2021-08-16
2021-06-30	$5,564,652	307,100	+39.4%	Put	Defined	2021-08-16
2021-09-30	$3,095,215	220,300	+24.7%	Call	Defined	2021-11-15
2021-09-30	$2,481,300	176,605	-56.1%	Shares	Defined	2021-11-15
2021-09-30	$5,656,530	402,600	+49.2%	Put	Defined	2021-11-15
2021-12-31	$3,389,944	269,900	+603.1%	Put	Defined	2022-02-14
2021-12-31	$482,140	38,387	-86.8%	Shares	Defined	2022-02-14
2021-12-31	$3,649,936	290,600	+59.5%	Call	Defined	2022-02-14
2022-03-31	$2,120,808	182,200	+6.7%	Call	Defined	2022-05-16
2022-03-31	$1,986,948	170,700	-65.6%	Put	Defined	2022-05-16
2022-03-31	$5,779,679	496,536	-9.8%	Shares	Defined	2022-05-16
2022-06-30	$3,469,774	550,758	+100.5%	Shares	Defined	2022-08-15
2022-06-30	$1,730,610	274,700	+34.8%	Put	Defined	2022-08-15
2022-06-30	$1,283,940	203,800	+5.0%	Call	Defined	2022-08-15
2022-09-30	$1,187,892	194,100	-10.5%	Put	Defined	2022-11-14
2022-09-30	$1,327,428	216,900	-80.6%	Call	Defined	2022-11-14
2022-09-30	$6,834,571	1,116,760	-10.5%	Shares	Defined	2022-11-14
2022-12-31	$5,978,063	1,248,030	+1249.2%	Shares	Defined	2023-02-14
2022-12-31	$443,075	92,500	-64.8%	Put	Defined	2023-02-14
2022-12-31	$1,260,249	263,100	+276.9%	Call	Defined	2023-02-14
2023-03-31	$388,786	69,800	-98.0%	Put	Defined	2023-05-15
2023-03-31	$19,584,024	3,515,983	+2957.4%	Shares	Defined	2023-05-15
2023-03-31	$640,550	115,000	+65.9%	Call	Defined	2023-05-15
2023-06-30	$302,148	69,300	-53.1%	Put	Defined	2023-08-14
2023-06-30	$644,844	147,900	-91.7%	Call	Defined	2023-08-14
2023-06-30	$7,743,639	1,776,064	+4318.1%	Shares	Defined	2023-08-14
2023-09-30	$147,534	40,200	-99.2%	Put	Defined	2023-11-14
2023-09-30	$19,461,473	5,302,854	+6430.6%	Shares	Defined	2023-11-14
2023-09-30	$298,004	81,200	+152.2%	Call	Defined	2023-11-14
2023-12-31	$119,140	32,200	-58.0%	Put	Defined	2024-02-14
2023-12-31	$283,790	76,700	-92.6%	Call	Defined	2024-02-14
2023-12-31	$3,825,655	1,033,961	-84.7%	Shares	Defined	2024-02-14
2024-03-31	$18,837,618	6,776,122	+18313.4%	Shares	Defined	2024-05-15
2024-03-31	$102,304	36,800	—	Call	Defined	2024-05-15
No 13F history on record for this holder in this stock.