Holders — by stockHoldings — by fund
Spark Investment Management LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001554871
$51.2M
disclosed book value
72
positions
20.1%
largest position share
Positions, as of 2026-06-30
top 72 of 72 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | AMZNAMAZON COM INC | 43,180 | $10.3M | 20.1% |
| 2 | BBBLACKBERRY LTD | 334,000 | $4.2M | 8.2% |
| 3 | SPOTIFY TECHNOLOGY S A | 7,000 | $3.2M | 6.3% |
| 4 | TSLATESLA INC | 6,000 | $2.5M | 4.9% |
| 5 | CGAUCENTERRA GOLD INC | 147,000 | $2.3M | 4.5% |
| 6 | LSPDLIGHTSPEED COMMERCE INC | 186,000 | $1.9M | 3.8% |
| 7 | BBARRICK MNG CORP | 50,000 | $1.8M | 3.6% |
| 8 | EFXTENERFLEX LTD | 70,000 | $1.7M | 3.4% |
| 9 | VETVERMILION ENERGY INC | 181,000 | $1.7M | 3.3% |
| 10 | KGCKINROSS GOLD CORP | 60,750 | $1.4M | 2.8% |
| 11 | CLSCELESTICA INC | 3,000 | $1.1M | 2.1% |
| 12 | OBEOBSIDIAN ENERGY LTD | 133,000 | $1.1M | 2.1% |
| 13 | PDSPRECISION DRILLING CORP | 14,000 | $1.1M | 2.1% |
| 14 | AIPARTERIS INC | 22,100 | $1.1M | 2.1% |
| 15 | TWLOTWILIO INC | 5,200 | $1.1M | 2.1% |
| 16 | BTEBAYTEX ENERGY CORP | 259,000 | $1.0M | 2% |
| 17 | SVMSILVERCORP METALS INC | 82,000 | $829,446 | 1.6% |
| 18 | AMBQAMBIQ MICRO INC | 8,800 | $777,040 | 1.5% |
| 19 | OTEXOPEN TEXT CORP | 35,000 | $773,888 | 1.5% |
| 20 | NVDANVIDIA CORPORATION | 3,500 | $700,315 | 1.4% |
| 21 | CVECENOVUS ENERGY INC | 28,000 | $694,058 | 1.4% |
| 22 | XYZBLOCK INC | 8,700 | $661,200 | 1.3% |
| 23 | SOBOSOUTH BOW CORP | 17,000 | $598,261 | 1.2% |
| 24 | PAASPAN AMERN SILVER CORP | 13,000 | $582,215 | 1.1% |
| 25 | DBXDROPBOX INC | 21,000 | $576,870 | 1.1% |
| 26 | SIISPROTT INC | 5,000 | $564,715 | 1.1% |
| 27 | GOOSCANADA GOOSE HLDGS INC | 58,000 | $548,685 | 1.1% |
| 28 | AEMAGNICO EAGLE MINES LTD | 3,000 | $465,666 | 0.9% |
| 29 | MONDAY COM LTD | 5,900 | $427,101 | 0.8% |
| 30 | FSMFORTUNA MNG CORP | 45,000 | $380,059 | 0.7% |
| 31 | DGIIDIGI INTL INC | 5,000 | $374,750 | 0.7% |
| 32 | FSLYFASTLY INC | 18,500 | $339,660 | 0.7% |
| 33 | DBDDIEBOLD NIXDORF INC | 3,600 | $306,072 | 0.6% |
| 34 | SVCOSILVACO GROUP INC | 21,974 | $303,021 | 0.6% |
| 35 | DOCNDIGITALOCEAN HLDGS INC | 1,700 | $266,951 | 0.5% |
| 36 | BITDEER TECHNOLOGIES GROUP | 15,200 | $241,224 | 0.5% |
| 37 | FOSLFOSSIL GROUP INC | 55,900 | $231,426 | 0.5% |
| 38 | KYTXKYVERNA THERAPEUTICS INC | 25,100 | $223,641 | 0.4% |
| 39 | HBMHUDBAY MINERALS INC | 9,000 | $212,314 | 0.4% |
| 40 | OSSONE STOP SYS INC | 11,400 | $207,252 | 0.4% |
| 41 | OSPNONESPAN INC | 13,300 | $190,855 | 0.4% |
| 42 | CRSRCORSAIR GAMING INC | 19,100 | $184,697 | 0.4% |
| 43 | CLYMCLIMB BIO INC | 13,600 | $177,344 | 0.3% |
| 44 | ARTVARTIVA BIOTHERAPEUTICS INC | 16,500 | $160,050 | 0.3% |
| 45 | IPSCCENTURY THERAPEUTICS INC | 59,000 | $144,550 | 0.3% |
| 46 | PBYIPUMA BIOTECHNOLOGY INC | 17,000 | $137,870 | 0.3% |
| 47 | MAKOMAKO MNG CORP | 16,092 | $118,226 | 0.2% |
| 48 | BIRDSMARTBIRD INC | 27,634 | $110,536 | 0.2% |
| 49 | GCTSGCT SEMICONDUCTOR HLDG INC | 37,100 | $110,187 | 0.2% |
| 50 | OVIDOVID THERAPEUTICS INC | 31,800 | $85,542 | 0.2% |
| 51 | MGNXMACROGENICS INC | 17,200 | $79,464 | 0.2% |
| 52 | CRONCRONOS GROUP INC | 28,000 | $77,315 | 0.2% |
| 53 | AVIRATEA PHARMACEUTICALS INC | 16,200 | $75,330 | 0.1% |
| 54 | LXEOLEXEO THERAPEUTICS INC | 15,000 | $69,825 | 0.1% |
| 55 | ZNTLZENTALIS PHARMACEUTICALS INC | 12,500 | $60,625 | 0.1% |
| 56 | PRLDPRELUDE THERAPEUTICS INC | 10,600 | $56,498 | 0.1% |
| 57 | ACRVACRIVON THERAPEUTICS INC | 28,300 | $50,374 | 0.1% |
| 58 | VYGRVOYAGER THERAPEUTICS INC | 13,500 | $47,250 | 0.1% |
| 59 | BZAIBLAIZE HLDGS INC | 30,400 | $41,952 | 0.1% |
| 60 | CRBUCARIBOU BIOSCIENCES INC | 23,600 | $41,536 | 0.1% |
| 61 | ABOSACUMEN PHARMACEUTICALS INC | 14,700 | $39,249 | 0.1% |
| 62 | NKTXNKARTA INC | 11,700 | $33,111 | 0.1% |
| 63 | IKTINHIBIKASE THERAPEUTICS INC | 15,500 | $31,465 | 0.1% |
| 64 | BDTXBLACK DIAMOND THERAPEUTICS I | 15,500 | $28,675 | 0.1% |
| 65 | CERAGON NETWORKS LTD | 10,411 | $26,964 | 0.1% |
| 66 | TNYATENAYA THERAPEUTICS INC | 35,500 | $26,238 | 0.1% |
| 67 | PLRXPLIANT THERAPEUTICS INC | 22,600 | $25,764 | 0.1% |
| 68 | CHRSCOHERUS ONCOLOGY INC | 17,800 | $24,920 | 0% |
| 69 | IBIOIBIO INC | 13,500 | $23,625 | 0% |
| 70 | MXCTMAXCYTE INC | 15,900 | $19,557 | 0% |
| 71 | CYPHCYPHERPUNK TECHNOLOGIES INC | 25,900 | $15,859 | 0% |
| 72 | SINOVAC BIOTECH LTD | 29,100 | $0 | 0% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.