Spark Investment Management LLC

Name: Spark Investment Management LLC: Form 13F holdings for the quarter ended 2026-06-30
Creator: Listed

An institutional investment manager in NEW YORK, NY. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 10, 2026. SEC CIK 1554871.

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Reported value$51.2m
Positions72

Holdings: 72 positions

The filing on sec.gov

As filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.

Spark Investment Management LLC, holdings
Issuer	Class	CUSIP	Reported value$m	Weight	Shares	Change on the quarter before
Amazon Com IncAMZN	COM	023135106	10.3	20.1%	43,180	Unchanged
Blackberry LtdBB	COM	09228F103	4.2	8.2%	334,000	New+334,000
Spotify Technology S a	SHS	L8681T102	3.2	6.3%	7,000	Unchanged
Tesla IncTSLA	COM	88160R101	2.5	4.9%	6,000	Unchanged
Centerra Gold IncCGAU	COM	152006102	2.3	4.5%	147,000	Unchanged
Lightspeed Commerce IncLSPD	SUB VTG SHS	53229C107	1.9	3.8%	186,000	Reduced−60,000
Barrick MNG CorpB	COM SHS	06849F108	1.8	3.6%	50,000	Added+12,000
Enerflex LtdEFXT	COM	29269R105	1.7	3.4%	70,000	Reduced−8,000
Vermilion Energy IncVET	COM	923725105	1.7	3.3%	181,000	Reduced−104,000
Kinross Gold CorpKGC	COM	496902404	1.4	2.8%	60,750	Reduced−2,250
Celestica IncCLS	COM	15101Q207	1.1	2.1%	3,000	New+3,000
Obsidian Energy LtdOBE	COM	674482203	1.1	2.1%	133,000	Added+25,000
Precision Drilling CorpPDS	COM NEW	74022D407	1.1	2.1%	14,000	Reduced−10,000
Arteris IncAIP	COM	04302A104	1.1	2.1%	22,100	New+22,100
Twilio IncTWLO	CL A	90138F102	1.1	2.1%	5,200	Unchanged
Baytex Energy CorpBTE	COM	07317Q105	1.0	2.0%	259,000	New+259,000
Silvercorp Metals IncSVM	COM	82835P103	0.8	1.6%	82,000	New+82,000
Ambiq Micro IncAMBQ	COMMON STOCK	023193105	0.8	1.5%	8,800	New+8,800
Open Text CorpOTEX	COM	683715106	0.8	1.5%	35,000	Reduced−26,000
Nvidia CorporationNVDA	COM	67066G104	0.7	1.4%	3,500	Reduced−800
Cenovus Energy IncCVE	COM	15135U109	0.7	1.4%	28,000	New+28,000
Block IncXYZ	CL A	852234103	0.7	1.3%	8,700	Unchanged
South Bow CorpSOBO	COM	83671M105	0.6	1.2%	17,000	New+17,000
PAN Amern Silver CorpPAAS	COM	697900108	0.6	1.1%	13,000	New+13,000
Dropbox IncDBX	CL A	26210C104	0.6	1.1%	21,000	New+21,000
Sprott IncSII	COM NEW	852066208	0.6	1.1%	5,000	Reduced−2,000
Canada Goose Holdings IncGOOS	SHS SUB VTG	135086106	0.5	1.1%	58,000	Added+20,000
Agnico Eagle Mines LtdAEM	COM	008474108	0.5	0.9%	3,000	Unchanged
Monday Com Ltd	SHS	M7S64H106	0.4	0.8%	5,900	Unchanged
Fortuna MNG CorpFSM	COM NEW	349942102	0.4	0.7%	45,000	New+45,000
Digi International IncDGII	COM	253798102	0.4	0.7%	5,000	New+5,000
Fastly IncFSLY	CL A	31188V100	0.3	0.7%	18,500	New+18,500
Diebold Nixdorf IncDBD	COM SHS	253651202	0.3	0.6%	3,600	New+3,600
Silvaco Group IncSVCO	COM	82728C102	0.3	0.6%	21,974	New+21,974
Digitalocean Holdings IncDOCN	COM	25402D102	0.3	0.5%	1,700	New+1,700
Bitdeer Technologies Group	CL A ORD SHS	G11448100	0.2	0.5%	15,200	New+15,200
Fossil Group IncFOSL	COM	34988V106	0.2	0.5%	55,900	Unchanged
Kyverna Therapeutics IncKYTX	COM	501976104	0.2	0.4%	25,100	New+25,100
Hudbay Minerals IncHBM	COM	443628102	0.2	0.4%	9,000	New+9,000
One Stop Sys IncOSS	COM	68247W109	0.2	0.4%	11,400	New+11,400
Onespan IncOSPN	COM	68287N100	0.2	0.4%	13,300	New+13,300
Corsair Gaming IncCRSR	COM	22041X102	0.2	0.4%	19,100	New+19,100
Climb Bio IncCLYM	COM	28658R106	0.2	0.3%	13,600	New+13,600
Artiva Biotherapeutics IncARTV	COM	04317A107	0.2	0.3%	16,500	New+16,500
Century Therapeutics IncIPSC	COM	15673T100	0.1	0.3%	59,000	New+59,000
Puma Biotechnology IncPBYI	COM	74587V107	0.1	0.3%	17,000	New+17,000
Mako MNG CorpMAKO	COM NEW	56089A400	0.1	0.2%	16,092	Reduced−27,908
Smartbird IncBIRD	CL A NEW	01675A208	0.1	0.2%	27,634	Reduced−30,000
GCT Semiconductor HLDG IncGCTS	COMMON STOCK	36170N107	0.1	0.2%	37,100	New+37,100
Ovid Therapeutics IncOVID	COM	690469101	0.1	0.2%	31,800	New+31,800
Macrogenics IncMGNX	COM	556099109	0.1	0.2%	17,200	New+17,200
Cronos Group IncCRON	COM	22717L101	0.1	0.2%	28,000	New+28,000
Atea Pharmaceuticals IncAVIR	COM	04683R106	0.1	0.1%	16,200	New+16,200
Lexeo Therapeutics IncLXEO	COM	52886X107	0.1	0.1%	15,000	New+15,000
Zentalis Pharmaceuticals IncZNTL	COM	98943L107	0.1	0.1%	12,500	New+12,500
Prelude Therapeutics IncPRLD	COM	74065P101	0.1	0.1%	10,600	New+10,600
Acrivon Therapeutics IncACRV	COMMON STOCK	004890109	0.1	<0.1%	28,300	New+28,300
Voyager Therapeutics IncVYGR	COM	92915B106	0.0	<0.1%	13,500	New+13,500
Blaize Holdings IncBZAI	COM	092915107	0.0	<0.1%	30,400	New+30,400
Caribou Biosciences IncCRBU	COM	142038108	0.0	<0.1%	23,600	New+23,600
Acumen Pharmaceuticals IncABOS	COM	00509G209	0.0	<0.1%	14,700	New+14,700
Nkarta IncNKTX	COM	65487U108	0.0	<0.1%	11,700	New+11,700
Inhibikase Therapeutics IncIKT	COM NEW	45719W205	0.0	<0.1%	15,500	New+15,500
Black Diamond Therapeutics IBDTX	COM	09203E105	0.0	<0.1%	15,500	New+15,500
Ceragon Networks Ltd	ORD	M22013102	0.0	<0.1%	10,411	New+10,411
Tenaya Therapeutics IncTNYA	COM	87990A106	0.0	<0.1%	35,500	New+35,500
Pliant Therapeutics IncPLRX	COM	729139105	0.0	<0.1%	22,600	New+22,600
Coherus Oncology IncCHRS	COM	19249H103	0.0	<0.1%	17,800	New+17,800
Ibio IncIBIO	COM NEW	451033708	0.0	<0.1%	13,500	New+13,500
Maxcyte IncMXCT	COM	57777K106	0.0	<0.1%	15,900	New+15,900
Cypherpunk Technologies IncCYPH	COM NEW	52187K200	0.0	<0.1%	25,900	New+25,900
Sinovac Biotech Ltd	SHS	P8696W104	0.0	0.0%	29,100	Unchanged

Sold out: 5 positions

Held at the end of the quarter before and not reported this quarter.

Spark Investment Management LLC, positions sold out
Issuer	Class	CUSIP	Weight	Change on the quarter before
BRP IncDOO	COM SUN VTG	05577W200	0.0%	Sold out−26,000
Docebo IncDCBO	COM	25609L105	0.0%	Sold out−27,000
Eldorado Gold Corp NewEGO	COM	284902509	0.0%	Sold out−6,000
Magna International IncMGA	COM	559222401	0.0%	Sold out−8,000
Rogers Communications IncRCI	CL B	775109200	0.0%	Sold out−9,000

Source: SEC EDGAR, Form 13F-HR, accession 0000899140-26-000792 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.