# Spark Investment Management LLC: Form 13F holdings

An institutional investment manager in NEW YORK, NY. SEC CIK 1554871.

- Quarter ended: 2026-06-30
- Filed: 2026-08-10
- Reported value: $51.2m
- Positions: 72 (72 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1554871/000089914026000792/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [AMAZON COM INC (AMZN)](/companies/amzn.md) | COM | $10.3m | 20.1% | 43,180 |  | Unchanged |
| [BLACKBERRY LTD (BB)](/companies/bb.md) | COM | $4.2m | 8.2% | 334,000 |  | New +334,000 |
| SPOTIFY TECHNOLOGY S A | SHS | $3.2m | 6.3% | 7,000 |  | Unchanged |
| [TESLA INC (TSLA)](/companies/tsla.md) | COM | $2.5m | 4.9% | 6,000 |  | Unchanged |
| [CENTERRA GOLD INC (CGAU)](/companies/cgau.md) | COM | $2.3m | 4.5% | 147,000 |  | Unchanged |
| [LIGHTSPEED COMMERCE INC (LSPD)](/companies/lspd.md) | SUB VTG SHS | $1.9m | 3.8% | 186,000 |  | Reduced −60,000 |
| [BARRICK MNG CORP (B)](/companies/b.md) | COM SHS | $1.8m | 3.6% | 50,000 |  | Added +12,000 |
| [ENERFLEX LTD (EFXT)](/companies/efxt.md) | COM | $1.7m | 3.4% | 70,000 |  | Reduced −8,000 |
| [VERMILION ENERGY INC (VET)](/companies/vet.md) | COM | $1.7m | 3.3% | 181,000 |  | Reduced −104,000 |
| [KINROSS GOLD CORP (KGC)](/companies/kgc.md) | COM | $1.4m | 2.8% | 60,750 |  | Reduced −2,250 |
| [CELESTICA INC (CLS)](/companies/cls.md) | COM | $1.1m | 2.1% | 3,000 |  | New +3,000 |
| [OBSIDIAN ENERGY LTD (OBE)](/companies/obe.md) | COM | $1.1m | 2.1% | 133,000 |  | Added +25,000 |
| [PRECISION DRILLING CORP (PDS)](/companies/pds.md) | COM NEW | $1.1m | 2.1% | 14,000 |  | Reduced −10,000 |
| [ARTERIS INC (AIP)](/companies/aip.md) | COM | $1.1m | 2.1% | 22,100 |  | New +22,100 |
| [TWILIO INC (TWLO)](/companies/twlo.md) | CL A | $1.1m | 2.1% | 5,200 |  | Unchanged |
| [BAYTEX ENERGY CORP (BTE)](/companies/bte.md) | COM | $1.0m | 2.0% | 259,000 |  | New +259,000 |
| [SILVERCORP METALS INC (SVM)](/companies/svm.md) | COM | $829.4k | 1.6% | 82,000 |  | New +82,000 |
| [AMBIQ MICRO INC (AMBQ)](/companies/ambq.md) | COMMON STOCK | $777.0k | 1.5% | 8,800 |  | New +8,800 |
| [OPEN TEXT CORP (OTEX)](/companies/otex.md) | COM | $773.9k | 1.5% | 35,000 |  | Reduced −26,000 |
| [NVIDIA CORPORATION (NVDA)](/companies/nvda.md) | COM | $700.3k | 1.4% | 3,500 |  | Reduced −800 |
| [CENOVUS ENERGY INC (CVE)](/companies/cve.md) | COM | $694.1k | 1.4% | 28,000 |  | New +28,000 |
| [BLOCK INC (XYZ)](/companies/xyz.md) | CL A | $661.2k | 1.3% | 8,700 |  | Unchanged |
| [SOUTH BOW CORP (SOBO)](/companies/sobo.md) | COM | $598.3k | 1.2% | 17,000 |  | New +17,000 |
| [PAN AMERN SILVER CORP (PAAS)](/companies/paas.md) | COM | $582.2k | 1.1% | 13,000 |  | New +13,000 |
| [DROPBOX INC (DBX)](/companies/dbx.md) | CL A | $576.9k | 1.1% | 21,000 |  | New +21,000 |
| [SPROTT INC (SII)](/companies/sii.md) | COM NEW | $564.7k | 1.1% | 5,000 |  | Reduced −2,000 |
| [CANADA GOOSE HLDGS INC (GOOS)](/companies/goos.md) | SHS SUB VTG | $548.7k | 1.1% | 58,000 |  | Added +20,000 |
| [AGNICO EAGLE MINES LTD (AEM)](/companies/aem.md) | COM | $465.7k | 0.9% | 3,000 |  | Unchanged |
| MONDAY COM LTD | SHS | $427.1k | 0.8% | 5,900 |  | Unchanged |
| [FORTUNA MNG CORP (FSM)](/companies/fsm.md) | COM NEW | $380.1k | 0.7% | 45,000 |  | New +45,000 |
| [DIGI INTL INC (DGII)](/companies/dgii.md) | COM | $374.8k | 0.7% | 5,000 |  | New +5,000 |
| [FASTLY INC (FSLY)](/companies/fsly.md) | CL A | $339.7k | 0.7% | 18,500 |  | New +18,500 |
| [DIEBOLD NIXDORF INC (DBD)](/companies/dbd.md) | COM SHS | $306.1k | 0.6% | 3,600 |  | New +3,600 |
| [SILVACO GROUP INC (SVCO)](/companies/svco.md) | COM | $303.0k | 0.6% | 21,974 |  | New +21,974 |
| [DIGITALOCEAN HLDGS INC (DOCN)](/companies/docn.md) | COM | $267.0k | 0.5% | 1,700 |  | New +1,700 |
| BITDEER TECHNOLOGIES GROUP | CL A ORD SHS | $241.2k | 0.5% | 15,200 |  | New +15,200 |
| [FOSSIL GROUP INC (FOSL)](/companies/fosl.md) | COM | $231.4k | 0.5% | 55,900 |  | Unchanged |
| [KYVERNA THERAPEUTICS INC (KYTX)](/companies/kytx.md) | COM | $223.6k | 0.4% | 25,100 |  | New +25,100 |
| [HUDBAY MINERALS INC (HBM)](/companies/hbm.md) | COM | $212.3k | 0.4% | 9,000 |  | New +9,000 |
| [ONE STOP SYS INC (OSS)](/companies/oss.md) | COM | $207.3k | 0.4% | 11,400 |  | New +11,400 |
| [ONESPAN INC (OSPN)](/companies/ospn.md) | COM | $190.9k | 0.4% | 13,300 |  | New +13,300 |
| [CORSAIR GAMING INC (CRSR)](/companies/crsr.md) | COM | $184.7k | 0.4% | 19,100 |  | New +19,100 |
| [CLIMB BIO INC (CLYM)](/companies/clym.md) | COM | $177.3k | 0.3% | 13,600 |  | New +13,600 |
| [ARTIVA BIOTHERAPEUTICS INC (ARTV)](/companies/artv.md) | COM | $160.1k | 0.3% | 16,500 |  | New +16,500 |
| [CENTURY THERAPEUTICS INC (IPSC)](/companies/ipsc.md) | COM | $144.6k | 0.3% | 59,000 |  | New +59,000 |
| [PUMA BIOTECHNOLOGY INC (PBYI)](/companies/pbyi.md) | COM | $137.9k | 0.3% | 17,000 |  | New +17,000 |
| [MAKO MNG CORP (MAKO)](/companies/mako.md) | COM NEW | $118.2k | 0.2% | 16,092 |  | Reduced −27,908 |
| [SMARTBIRD INC (BIRD)](/companies/bird.md) | CL A NEW | $110.5k | 0.2% | 27,634 |  | Reduced −30,000 |
| [GCT SEMICONDUCTOR HLDG INC (GCTS)](/companies/gcts.md) | COMMON STOCK | $110.2k | 0.2% | 37,100 |  | New +37,100 |
| [OVID THERAPEUTICS INC (OVID)](/companies/ovid.md) | COM | $85.5k | 0.2% | 31,800 |  | New +31,800 |
| [MACROGENICS INC (MGNX)](/companies/mgnx.md) | COM | $79.5k | 0.2% | 17,200 |  | New +17,200 |
| [CRONOS GROUP INC (CRON)](/companies/cron.md) | COM | $77.3k | 0.2% | 28,000 |  | New +28,000 |
| [ATEA PHARMACEUTICALS INC (AVIR)](/companies/avir.md) | COM | $75.3k | 0.1% | 16,200 |  | New +16,200 |
| [LEXEO THERAPEUTICS INC (LXEO)](/companies/lxeo.md) | COM | $69.8k | 0.1% | 15,000 |  | New +15,000 |
| [ZENTALIS PHARMACEUTICALS INC (ZNTL)](/companies/zntl.md) | COM | $60.6k | 0.1% | 12,500 |  | New +12,500 |
| [PRELUDE THERAPEUTICS INC (PRLD)](/companies/prld.md) | COM | $56.5k | 0.1% | 10,600 |  | New +10,600 |
| [ACRIVON THERAPEUTICS INC (ACRV)](/companies/acrv.md) | COMMON STOCK | $50.4k | <0.1% | 28,300 |  | New +28,300 |
| [VOYAGER THERAPEUTICS INC (VYGR)](/companies/vygr.md) | COM | $47.3k | <0.1% | 13,500 |  | New +13,500 |
| [BLAIZE HLDGS INC (BZAI)](/companies/bzai.md) | COM | $42.0k | <0.1% | 30,400 |  | New +30,400 |
| [CARIBOU BIOSCIENCES INC (CRBU)](/companies/crbu.md) | COM | $41.5k | <0.1% | 23,600 |  | New +23,600 |
| [ACUMEN PHARMACEUTICALS INC (ABOS)](/companies/abos.md) | COM | $39.2k | <0.1% | 14,700 |  | New +14,700 |
| [NKARTA INC (NKTX)](/companies/nktx.md) | COM | $33.1k | <0.1% | 11,700 |  | New +11,700 |
| [INHIBIKASE THERAPEUTICS INC (IKT)](/companies/ikt.md) | COM NEW | $31.5k | <0.1% | 15,500 |  | New +15,500 |
| [BLACK DIAMOND THERAPEUTICS I (BDTX)](/companies/bdtx.md) | COM | $28.7k | <0.1% | 15,500 |  | New +15,500 |
| CERAGON NETWORKS LTD | ORD | $27.0k | <0.1% | 10,411 |  | New +10,411 |
| [TENAYA THERAPEUTICS INC (TNYA)](/companies/tnya.md) | COM | $26.2k | <0.1% | 35,500 |  | New +35,500 |
| [PLIANT THERAPEUTICS INC (PLRX)](/companies/plrx.md) | COM | $25.8k | <0.1% | 22,600 |  | New +22,600 |
| [COHERUS ONCOLOGY INC (CHRS)](/companies/chrs.md) | COM | $24.9k | <0.1% | 17,800 |  | New +17,800 |
| [IBIO INC (IBIO)](/companies/ibio.md) | COM NEW | $23.6k | <0.1% | 13,500 |  | New +13,500 |
| [MAXCYTE INC (MXCT)](/companies/mxct.md) | COM | $19.6k | <0.1% | 15,900 |  | New +15,900 |
| [CYPHERPUNK TECHNOLOGIES INC (CYPH)](/companies/cyph.md) | COM NEW | $15.9k | <0.1% | 25,900 |  | New +25,900 |
| SINOVAC BIOTECH LTD | SHS | $0 | 0.0% | 29,100 |  | Unchanged |

## Sold out

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

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [BRP INC (DOO)](/companies/doo.md) | COM SUN VTG | $0 | 0.0% | 0 |  | Sold out −26,000 |
| [DOCEBO INC (DCBO)](/companies/dcbo.md) | COM | $0 | 0.0% | 0 |  | Sold out −27,000 |
| [ELDORADO GOLD CORP NEW (EGO)](/companies/ego.md) | COM | $0 | 0.0% | 0 |  | Sold out −6,000 |
| [MAGNA INTL INC (MGA)](/companies/mga.md) | COM | $0 | 0.0% | 0 |  | Sold out −8,000 |
| [ROGERS COMMUNICATIONS INC (RCI)](/companies/rci.md) | CL B | $0 | 0.0% | 0 |  | Sold out −9,000 |

Source: SEC EDGAR, Form 13F-HR, accession 0000899140-26-000792. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.