ArrowMark Colorado Holdings LLC holds a diversified book of 293 stocks worth $3.8B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Definium Therapeutics Inc and trimmed SS SPDR BB 1-3M T-Bill ETF. Their largest long position is SS SPDR BB 1-3M T-Bill ETF at 3% of the equity book.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1483859/holdings"
Use Arkolith to show ArrowMark Colorado Holdings LLC's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
96% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | SPDR Series Trust STATE STREET SPD | $116.4M | 1.27M | 3.1% | ▼−10% Reduced · −143K sh | |
| 2 | Federal Signal Corp COM | $67.5M | 623.7K | 1.8% | ▲+9.3% Added · +53K sh | |
| 3 | Trimble Inc COM | $66.6M | 1.02M | 1.8% | ▼−3.5% Reduced · −37K sh | |
| 4 | RB Global Inc COM | $65.0M | 678.4K | 1.7% | ▲+31% Added · +162K sh | |
| 5 | Turning PT Brands Inc COM | $64.7M | 745.4K | 1.7% | ▼−14% Reduced · −124K sh | |
| 6 | Churchill Downs Inc COM | $64.3M | 715.8K | 1.7% | ▲+9.6% Added · +63K sh | |
| 7 | Axogen Inc COM | $63.5M | 1.92M | 1.7% | ▲+30% Added · +441K sh | |
| 8 | Kirby Corp COM | $62.5M | 470.5K | 1.7% | ▼−23% Reduced · −139K sh | |
| 9 | Hinge Health Inc CL A | $60.7M | 1.58M | 1.6% | ▲+24% Added · +302K sh | |
| 10 | Curtiss Wright Corp COM | $59.6M | 87.5K | 1.6% | ▼−10% Reduced · −10K sh | |
| 11 | Tandem Diabetes Care Inc COM NEW | $59.5M | 3.10M | 1.6% | ▲+7.4% Added · +214K sh | |
| 12 | Viper Energy Inc CL A | $57.8M | 1.23M | 1.5% | ▼−15% Reduced · −224K sh | |
| 13 | Waystar Hldg Corp COM | $53.0M | 2.20M | 1.4% | ▲+14% Added · +275K sh | |
| 14 | Cimpress PLC SHS EURO | $49.1M | 672.6K | 1.3% | ▼−24% Reduced · −210K sh | |
| 15 | Cooper Cos Inc COM | $47.4M | 662.4K | 1.3% | ▼−13% Reduced · −102K sh | |
| 16 | Vistra Corp COM | $47.2M | 313.8K | 1.3% | ▼−0.8% Reduced · −2K sh | |
| 17 | Veracyte Inc COM | $44.3M | 1.37M | 1.2% | ▼−12% Reduced · −187K sh | |
| 18 | Cargurus Inc COM CL A | $44.2M | 1.30M | 1.2% | ▼−14% Reduced · −218K sh | |
| 19 | SPX Technologies Inc COM | $43.5M | 217.4K | 1.2% | ▲+25% Added · +43K sh | |
| 20 | Standardaero Inc COM | $42.8M | 1.66M | 1.1% | ▼−14% Reduced · −261K sh | |
| 21 | Globus Med Inc CL A | $42.0M | 487.4K | 1.1% | ▼−42% Reduced · −354K sh | |
| 22 | Sensata Technologies Hldg PL SHS | $40.5M | 1.15M | 1.1% | ▼−5.6% Reduced · −68K sh | |
| 23 | Applied Indl Technologies In COM | $39.2M | 147.9K | 1.0% | ▲+10% Added · +13K sh | |
| 24 | Praxis Precision Medicines I COM NEW | $38.0M | 117.9K | 1.0% | ▲+293% Added · +88K sh | |
| 25 | On Semiconductor Corp COM | $37.3M | 603.2K | 1.0% | ▼−1.8% Reduced · −11K sh | |
| 26 | Globalfoundries Inc ORDINARY SHARES | $37.0M | 832.8K | 1.0% | ▼−46% Reduced · −698K sh | |
| 27 | Halozyme Therapeutics Inc COM | $36.8M | 569.8K | 1.0% | ▼−9.0% Reduced · −56K sh | |
| 28 | Cheniere Energy Inc COM NEW | $36.5M | 128.5K | 1.0% | ▼−9.5% Reduced · −13K sh | |
| 29 | Steris PLC SHS USD | $36.3M | 164.2K | 1.0% | ▼−13% Reduced · −25K sh | |
| 30 | Dynatrace Inc COM NEW | $36.3M | 981.0K | 1.0% | ▼−17% Reduced · −205K sh | |
| 31 | Generac Hldgs Inc COM | $35.3M | 181.0K | 0.9% | ▲+110% Added · +95K sh | |
| 32 | Sterling Infrastructure Inc COM | $35.0M | 86.0K | 0.9% | ▲+1.1% Added · +962 sh | |
| 33 | Alkami Technology Inc COM | $35.0M | 2.23M | 0.9% | ▼−15% Reduced · −379K sh | |
| 34 | Draftkings Inc New COM CL A | $34.7M | 1.60M | 0.9% | ▲+14% Added · +199K sh | |
| 35 | JBT Marel Corporation COM | $33.5M | 262.1K | 0.9% | ▼−9.2% Reduced · −27K sh | |
| 36 | Madrigal Pharmaceuticals Inc COM | $32.7M | 62.4K | 0.9% | ▼−24% Reduced · −20K sh | |
| 37 | Lattice Semiconductor Corp COM | $32.3M | 348.0K | 0.9% | ▼−4.0% Reduced · −15K sh | |
| 38 | Euronet Worldwide Inc COM | $32.0M | 482.5K | 0.9% | ▼−17% Reduced · −96K sh | |
| 39 | MGM Resorts International COM | $31.5M | 851.8K | 0.8% | ▼−41% Reduced · −597K sh | |
| 40 | Definium Therapeutics Inc COM SHS | $30.1M | 1.59M | 0.8% | ▲New New position | |
| 41 | Wisdomtree Inc COM | $29.8M | 2.04M | 0.8% | ▼−15% Reduced · −364K sh | |
| 42 | Klaviyo Inc COM SER A | $29.0M | 1.49M | 0.8% | ▲+83% Added · +673K sh | |
| 43 | Certara Inc COM | $26.2M | 4.59M | 0.7% | ▼−16% Reduced · −893K sh | |
| 44 | United STS Lime & Minerals I COM | $26.1M | 199.9K | 0.7% | ▲+3.7% Added · +7K sh | |
| 45 | Legence Corp CL A | $26.1M | 461.5K | 0.7% | ▼−9.6% Reduced · −49K sh | |
| 46 | First Amern Finl Corp COM | $24.9M | 413.6K | 0.7% | ▼−7.6% Reduced · −34K sh | |
| 47 | Somnigroup International Inc COM | $24.9M | 337.3K | 0.7% | ▲+56% Added · +120K sh | |
| 48 | Entegris Inc COM | $24.5M | 209.1K | 0.7% | ▼−10% Reduced · −24K sh | |
| 49 | Merit Med Sys Inc COM | $24.0M | 348.6K | 0.6% | ▼−24% Reduced · −109K sh | |
| 50 | Trinet Group Inc COM | $23.6M | 649.2K | 0.6% | ▼−5.9% Reduced · −40K sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 293 | $3.8B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 309 | $4.5B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 303 | $5.4B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 14, 2025 | 301 | $5.6B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 298 | $6.2B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 306 | $7.4B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 301 | $7.8B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 14, 2024 | 312 | $8.4B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 317 | $8.9B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 14, 2024 | 308 | $9.1B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 308 | $8.2B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 303 | $9.1B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 306 | $8.8B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 304 | $8.4B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 328 | $8.2B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 325 | $8.7B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 16, 2022 | 343 | $11.4B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 335 | $12.5B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 17, 2021 | 358 | $12.8B | 13F-HR/A |
| Q2 2021 | Jun 30, 2021 | Aug 16, 2021 | 343 | $13.3B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 345 | $13.4B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 16, 2021 | 333 | $12.9B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 16, 2020 | 334 | $10.5B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.