# Spark Investment Management LLC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1554871. Source: https://holderbook.com/funds/1554871-spark-investment-management-llc/

- Reported value: $51.2M
- Positions: 72
- Weight of the ten largest: 60.9%
- Filed: 2026-08-10

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $10.3M | 43,180 | 20.1% | 24 |
| BLACKBERRY LTD | [BB](https://holderbook.com/stocks/BB/) | $4.2M | 334,000 | 8.2% | 1 |
| SPOTIFY TECHNOLOGY S A | [SPOT](https://holderbook.com/stocks/SPOT/) | $3.2M | 7,000 | 6.3% | 24 |
| TESLA INC | [TSLA](https://holderbook.com/stocks/TSLA/) | $2.5M | 6,000 | 4.9% | 23 |
| CENTERRA GOLD INC | [CGAU](https://holderbook.com/stocks/CGAU/) | $2.3M | 147,000 | 4.5% | 3 |
| LIGHTSPEED COMMERCE INC | [LSPD](https://holderbook.com/stocks/LSPD/) | $1.9M | 186,000 | 3.8% | 4 |
| BARRICK MNG CORP | [B](https://holderbook.com/stocks/B/) | $1.8M | 50,000 | 3.6% | 2 |
| ENERFLEX LTD | [EFXT](https://holderbook.com/stocks/EFXT/) | $1.7M | 70,000 | 3.4% | 3 |
| VERMILION ENERGY INC | [VET](https://holderbook.com/stocks/VET/) | $1.7M | 181,000 | 3.3% | 3 |
| KINROSS GOLD CORP | [KGC](https://holderbook.com/stocks/KGC/) | $1.4M | 60,750 | 2.8% | 6 |
| CELESTICA INC | [CLS](https://holderbook.com/stocks/CLS/) | $1.1M | 3,000 | 2.1% | 1 |
| OBSIDIAN ENERGY LTD | [OBE](https://holderbook.com/stocks/OBE/) | $1.1M | 133,000 | 2.1% | 3 |
| PRECISION DRILLING CORP | [PDS](https://holderbook.com/stocks/PDS/) | $1.1M | 14,000 | 2.1% | 3 |
| ARTERIS INC | [AIP](https://holderbook.com/stocks/AIP/) | $1.1M | 22,100 | 2.1% | 1 |
| TWILIO INC | [TWLO](https://holderbook.com/stocks/TWLO/) | $1.1M | 5,200 | 2.1% | 19 |
| BAYTEX ENERGY CORP | [BTE](https://holderbook.com/stocks/BTE/) | $1.0M | 259,000 | 2.0% | 1 |
| SILVERCORP METALS INC | [SVM](https://holderbook.com/stocks/SVM/) | $829.4K | 82,000 | 1.6% | 1 |
| AMBIQ MICRO INC | [AMBQ](https://holderbook.com/stocks/AMBQ/) | $777.0K | 8,800 | 1.5% | 1 |
| OPEN TEXT CORP | [OTEX](https://holderbook.com/stocks/OTEX/) | $773.9K | 35,000 | 1.5% | 4 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $700.3K | 3,500 | 1.4% | 7 |
| CENOVUS ENERGY INC | [CVE](https://holderbook.com/stocks/CVE/) | $694.1K | 28,000 | 1.4% | 1 |
| BLOCK INC | [XYZ](https://holderbook.com/stocks/XYZ/) | $661.2K | 8,700 | 1.3% | 24 |
| SOUTH BOW CORP | [SOBO](https://holderbook.com/stocks/SOBO/) | $598.3K | 17,000 | 1.2% | 1 |
| PAN AMERN SILVER CORP | [PAAS](https://holderbook.com/stocks/PAAS/) | $582.2K | 13,000 | 1.1% | 1 |
| DROPBOX INC | [DBX](https://holderbook.com/stocks/DBX/) | $576.9K | 21,000 | 1.1% | 1 |
| SPROTT INC | [SII](https://holderbook.com/stocks/SII/) | $564.7K | 5,000 | 1.1% | 4 |
| CANADA GOOSE HLDGS INC | [GOOS](https://holderbook.com/stocks/GOOS/) | $548.7K | 58,000 | 1.1% | 3 |
| AGNICO EAGLE MINES LTD | [AEM](https://holderbook.com/stocks/AEM/) | $465.7K | 3,000 | 0.9% | 2 |
| MONDAY COM LTD | [MNDY](https://holderbook.com/stocks/MNDY/) | $427.1K | 5,900 | 0.8% | 21 |
| FORTUNA MNG CORP | [FSM](https://holderbook.com/stocks/FSM/) | $380.1K | 45,000 | 0.7% | 1 |
| DIGI INTL INC | [DGII](https://holderbook.com/stocks/DGII/) | $374.8K | 5,000 | 0.7% | 1 |
| FASTLY INC | [FSLY](https://holderbook.com/stocks/FSLY/) | $339.7K | 18,500 | 0.7% | 1 |
| DIEBOLD NIXDORF INC | [DBD](https://holderbook.com/stocks/DBD/) | $306.1K | 3,600 | 0.6% | 1 |
| SILVACO GROUP INC | [SVCO](https://holderbook.com/stocks/SVCO/) | $303.0K | 21,974 | 0.6% | 1 |
| DIGITALOCEAN HLDGS INC | [DOCN](https://holderbook.com/stocks/DOCN/) | $267.0K | 1,700 | 0.5% | 1 |
| BITDEER TECHNOLOGIES GROUP | [BTDR](https://holderbook.com/stocks/BTDR/) | $241.2K | 15,200 | 0.5% | 1 |
| FOSSIL GROUP INC | [FOSL](https://holderbook.com/stocks/FOSL/) | $231.4K | 55,900 | 0.5% | 22 |
| KYVERNA THERAPEUTICS INC | [KYTX](https://holderbook.com/stocks/KYTX/) | $223.6K | 25,100 | 0.4% | 1 |
| HUDBAY MINERALS INC | [HBM](https://holderbook.com/stocks/HBM/) | $212.3K | 9,000 | 0.4% | 1 |
| ONE STOP SYS INC | [OSS](https://holderbook.com/stocks/OSS/) | $207.3K | 11,400 | 0.4% | 1 |
| ONESPAN INC | [OSPN](https://holderbook.com/stocks/OSPN/) | $190.9K | 13,300 | 0.4% | 1 |
| CORSAIR GAMING INC | [CRSR](https://holderbook.com/stocks/CRSR/) | $184.7K | 19,100 | 0.4% | 1 |
| CLIMB BIO INC | [CLYM](https://holderbook.com/stocks/CLYM/) | $177.3K | 13,600 | 0.3% | 1 |
| ARTIVA BIOTHERAPEUTICS INC | [ARTV](https://holderbook.com/stocks/ARTV/) | $160.1K | 16,500 | 0.3% | 1 |
| CENTURY THERAPEUTICS INC | [IPSC](https://holderbook.com/stocks/IPSC/) | $144.6K | 59,000 | 0.3% | 1 |
| PUMA BIOTECHNOLOGY INC | [PBYI](https://holderbook.com/stocks/PBYI/) | $137.9K | 17,000 | 0.3% | 1 |
| MAKO MNG CORP | [MAKO](https://holderbook.com/stocks/MAKO/) | $118.2K | 16,092 | 0.2% | 2 |
| SMARTBIRD INC | [BIRD](https://holderbook.com/stocks/BIRD/) | $110.5K | 27,634 | 0.2% | 6 |
| GCT SEMICONDUCTOR HLDG INC | [GCTS](https://holderbook.com/stocks/GCTS/) | $110.2K | 37,100 | 0.2% | 1 |
| OVID THERAPEUTICS INC | [OVID](https://holderbook.com/stocks/OVID/) | $85.5K | 31,800 | 0.2% | 1 |
| MACROGENICS INC | [MGNX](https://holderbook.com/stocks/MGNX/) | $79.5K | 17,200 | 0.2% | 1 |
| CRONOS GROUP INC | [CRON](https://holderbook.com/stocks/CRON/) | $77.3K | 28,000 | 0.2% | 1 |
| ATEA PHARMACEUTICALS INC | [AVIR](https://holderbook.com/stocks/AVIR/) | $75.3K | 16,200 | 0.1% | 1 |
| LEXEO THERAPEUTICS INC | [LXEO](https://holderbook.com/stocks/LXEO/) | $69.8K | 15,000 | 0.1% | 1 |
| ZENTALIS PHARMACEUTICALS INC | [ZNTL](https://holderbook.com/stocks/ZNTL/) | $60.6K | 12,500 | 0.1% | 1 |
| PRELUDE THERAPEUTICS INC | [PRLD](https://holderbook.com/stocks/PRLD/) | $56.5K | 10,600 | 0.1% | 1 |
| ACRIVON THERAPEUTICS INC | [ACRV](https://holderbook.com/stocks/ACRV/) | $50.4K | 28,300 | 0.1% | 1 |
| VOYAGER THERAPEUTICS INC | [VYGR](https://holderbook.com/stocks/VYGR/) | $47.2K | 13,500 | 0.1% | 1 |
| BLAIZE HLDGS INC | [BZAI](https://holderbook.com/stocks/BZAI/) | $42.0K | 30,400 | 0.1% | 1 |
| CARIBOU BIOSCIENCES INC | [CRBU](https://holderbook.com/stocks/CRBU/) | $41.5K | 23,600 | 0.1% | 1 |
| ACUMEN PHARMACEUTICALS INC | [ABOS](https://holderbook.com/stocks/ABOS/) | $39.2K | 14,700 | 0.1% | 1 |
| NKARTA INC | [NKTX](https://holderbook.com/stocks/NKTX/) | $33.1K | 11,700 | 0.1% | 1 |
| INHIBIKASE THERAPEUTICS INC | [IKT](https://holderbook.com/stocks/IKT/) | $31.5K | 15,500 | 0.1% | 1 |
| BLACK DIAMOND THERAPEUTICS I | [BDTX](https://holderbook.com/stocks/BDTX/) | $28.7K | 15,500 | 0.1% | 1 |
| CERAGON NETWORKS LTD | [CRNT](https://holderbook.com/stocks/CRNT/) | $27.0K | 10,411 | 0.1% | 1 |
| TENAYA THERAPEUTICS INC | [TNYA](https://holderbook.com/stocks/TNYA/) | $26.2K | 35,500 | 0.1% | 1 |
| PLIANT THERAPEUTICS INC | [PLRX](https://holderbook.com/stocks/PLRX/) | $25.8K | 22,600 | 0.1% | 1 |
| COHERUS ONCOLOGY INC | [CHRS](https://holderbook.com/stocks/CHRS/) | $24.9K | 17,800 | 0.0% | 1 |
| IBIO INC | [IBIO](https://holderbook.com/stocks/IBIO/) | $23.6K | 13,500 | 0.0% | 1 |
| MAXCYTE INC | [MXCT](https://holderbook.com/stocks/MXCT/) | $19.6K | 15,900 | 0.0% | 1 |
| CYPHERPUNK TECHNOLOGIES INC | [CYPH](https://holderbook.com/stocks/CYPH/) | $15.9K | 25,900 | 0.0% | 1 |
| SINOVAC BIOTECH LTD | [SVA](https://holderbook.com/stocks/SVA/) | $0 | 29,100 | 0.0% | 1 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | -1.5% | +14.8% | -16.4% | 100% |
| Q1 2026 | -2.0% | -4.6% | +2.6% | 94% |
| Q4 2025 | +4.8% | +2.4% | +2.5% | 97% |
| Q3 2025 | +13.4% | +7.8% | +5.6% | 100% |
| Q2 2025 | +24.1% | +10.5% | +13.7% | 100% |
| Q1 2025 | -10.9% | -4.6% | -6.4% | 100% |
| Q4 2024 | +19.4% | +2.1% | +17.2% | 100% |
| Q3 2024 | +6.7% | +5.4% | +1.3% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $51.2M | 72 |
| Q1 2026 | $41.6M | 27 |
| Q4 2025 | $40.2M | 26 |
| Q3 2025 | $39.8M | 19 |
| Q2 2025 | $36.5M | 22 |
| Q1 2025 | $29.4M | 18 |
| Q4 2024 | $20.6M | 8 |
| Q3 2024 | $17.4M | 9 |
| Q2 2024 | $16.7M | 10 |
| Q1 2024 | $18.1M | 12 |
| Q4 2023 | $16.7M | 11 |
| Q3 2023 | $17.3M | 12 |