ArrowMark Colorado Holdings LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), ArrowMark Colorado Holdings LLC reported 292 stock positions worth $3.8 billion. Its top holding was SS SPDR BB 1-3M T-Bill ETF (BIL) at 3.1% of the portfolio, followed by Federal Signal (FSS, 1.8%) and Trimble (TRMB, 1.8%). Compared with Q4 2025, it opened 22 new positions, sold out of 38, added to 61 and reduced 142. The biggest buy was Praxis Precision Medicines I (PRAX, shares +293%) and the biggest sale an exit from Ziff Davis (ZD).
- Most Recent 13F
- Q2 2026
- Location
- Denver, CO
- CIK
- 0001483859
- Portfolio Value
- $3.8B (Q1 2026)
- SEC Filing
- 0001172661-26-002286 ↗ filed May 15, 2026
Holdings Value
Holdings 292 stocks · $3.8B
| BIL SS SPDR BB 1-3M T-Bill ETF | 3.09% | 1,270,023 | $116.4M | Reduce -10.1% |
| FSS Federal Signal Corp. | 1.79% | 623,748 | $67.5M | Add +9.3% |
| TRMB Trimble Inc. | 1.77% | 1,021,075 | $66.6M | Reduce -3.5% |
| RBA RB Global Inc. | 1.73% | 678,367 | $65.0M | Add +31.3% |
| TPB Turning Point Brands Inc. | 1.72% | 745,423 | $64.7M | Reduce -14.3% |
| CHDN Churchill Downs Inc. | 1.71% | 715,841 | $64.3M | Add +9.7% |
| AXGN Axogen Inc. | 1.69% | 1,915,439 | $63.5M | Add +29.9% |
| KEX Kirby Corp. | 1.66% | 470,548 | $62.5M | Reduce -22.8% |
| HNGE Hinge Health Inc. Class A | 1.61% | 1,575,283 | $60.7M | Add +23.7% |
| CW Curtiss-Wright Corp. | 1.58% | 87,542 | $59.6M | Reduce -10.3% |
| TNDM Tandem Diabetes Care Inc. | 1.58% | 3,103,609 | $59.5M | Add +7.4% |
| VNOM Viper Energy Inc. Class A | 1.54% | 1,229,432 | $57.8M | Reduce -15.4% |
| WAY Waystar Holding Corp. | 1.41% | 2,198,468 | $53.0M | Add +14.3% |
| CMPR Cimpress PLC | 1.30% | 672,595 | $49.1M | Reduce -23.8% |
| COO The Cooper Cos Inc. | 1.26% | 662,361 | $47.4M | Reduce -13.4% |
| VST Vistra Corp. | 1.25% | 313,815 | $47.2M | Reduce -0.8% |
| VCYT Veracyte Inc. | 1.18% | 1,374,103 | $44.3M | Reduce -12.0% |
| CARG Cargurus Inc. | 1.17% | 1,297,916 | $44.2M | Reduce -14.4% |
| SPXC SPX Technologies Inc. | 1.16% | 217,418 | $43.5M | Add +24.6% |
| SARO Standardaero Inc. | 1.14% | 1,657,434 | $42.8M | Reduce -13.6% |
| GMED Globus Medical Inc. Class A | 1.12% | 487,426 | $42.0M | Reduce -42.0% |
| ST Sensata Technologies Holdplc | 1.08% | 1,149,307 | $40.5M | Reduce -5.6% |
| AIT Applied Industrial Tech Inc. | 1.04% | 147,906 | $39.2M | Add +10.0% |
| PRAX Praxis Precision Medicines I | 1.01% | 117,851 | $38.0M | Add +292.8% |
| ON On Semiconductor | 0.99% | 603,194 | $37.3M | Reduce -1.8% |
| GFS Globalfoundries Inc. | 0.98% | 832,775 | $37.0M | Reduce -45.6% |
| HALO Halozyme Therapeutics Inc. | 0.98% | 569,789 | $36.8M | Reduce -9.0% |
| LNG Cheniere Energy Inc. | 0.97% | 128,458 | $36.5M | Reduce -9.5% |
| STE Steris PLC | 0.96% | 164,192 | $36.3M | Reduce -13.3% |
| DT Dynatrace Inc. | 0.96% | 980,952 | $36.3M | Reduce -17.3% |
| GNRC Generac Holdings Inc. | 0.94% | 180,961 | $35.3M | Add +109.7% |
| STRL Sterling Infrastructure Inc. | 0.93% | 86,028 | $35.0M | Add +1.1% |
| ALKT Alkami Technology Inc. | 0.93% | 2,232,676 | $35.0M | Reduce -14.5% |
| DKNG Draftkings Inc. Class A | 0.92% | 1,604,630 | $34.7M | Add +14.2% |
| JBTM JBT Marel Corp. | 0.89% | 262,142 | $33.5M | Reduce -9.2% |
| MDGL Madrigal Pharmaceuticals Inc. | 0.87% | 62,441 | $32.7M | Reduce -24.4% |
| LSCC Lattice Semiconductor Corp. | 0.86% | 347,982 | $32.3M | Reduce -4.0% |
| EEFT Euronet Worldwide Inc. | 0.85% | 482,461 | $32.0M | Reduce -16.7% |
| MGM MGM Resorts International | 0.84% | 851,801 | $31.5M | Reduce -41.2% |
| DFTX Definium Therapeutics Inc. | 0.80% | 1,594,717 | $30.1M | New |
| WT Wisdomtree Inc. | 0.79% | 2,043,930 | $29.8M | Reduce -15.1% |
| KVYO Klaviyo Inc. Class A | 0.77% | 1,488,481 | $29.0M | Add +82.5% |
| CERT Certara Inc. | 0.70% | 4,592,707 | $26.2M | Reduce -16.3% |
| USLM United States Lime & Mineral | 0.69% | 199,855 | $26.1M | Add +3.8% |
| LGN Legence Corp. Class A | 0.69% | 461,480 | $26.1M | Reduce -9.6% |
| FAF First American Financial | 0.66% | 413,586 | $24.9M | Reduce -7.6% |
| SGI Somnigroup International Inc. | 0.66% | 337,284 | $24.9M | Add +55.5% |
| ENTG Entegris Inc. | 0.65% | 209,125 | $24.5M | Reduce -10.5% |
| MMSI Merit Medical Systems Inc. | 0.64% | 348,637 | $24.0M | Reduce -23.8% |
| TNET Trinet Group Inc. | 0.63% | 649,180 | $23.6M | Reduce -5.9% |
| FIGR Figure Technology Solut Class A | 0.62% | 685,579 | $23.3M | Add +69.4% |
| AAON Aaon Inc. | 0.62% | 280,196 | $23.2M | Add +35.6% |
| MAZE Maze Therapeutics Inc. | 0.61% | 767,383 | $22.9M | No change |
| RMBS Rambus Inc. | 0.60% | 261,716 | $22.5M | Reduce -3.8% |
| ARX Accelerant Holdings Class A | 0.55% | 1,548,224 | $20.7M | Reduce -5.8% |
| CLBT Cellebrite Di Ltd. | 0.55% | 1,497,333 | $20.6M | Add +38.3% |
| WFC Wells Fargo & Co. | 0.54% | 253,860 | $20.2M | Reduce -11.4% |
| BE Bloom Energy Corp. Class A | 0.53% | 146,500 | $19.8M | Reduce -4.5% |
| DECK Deckers Outdoor Corp. | 0.52% | 196,978 | $19.7M | Reduce -13.3% |
| NUVL Nuvalent Inc. Class A | 0.51% | 186,850 | $19.1M | Reduce -36.9% |
| RELY Remitly Global Inc. | 0.51% | 1,220,942 | $19.1M | Reduce -53.5% |
| CRGY Crescent Energy Inc. Class A | 0.48% | 1,340,375 | $18.1M | Reduce -15.9% |
| UNH Unitedhealth Group Inc. | 0.48% | 66,705 | $18.0M | Reduce -6.5% |
| RPRX Royalty Pharma PLC Class A | 0.47% | 366,753 | $17.6M | Reduce -0.2% |
| TCBI Texas Capital Bancshares Inc. | 0.46% | 180,737 | $17.1M | No change |
| FND Floor & Decor Holdings Inc. Class A | 0.45% | 334,969 | $17.0M | Reduce -10.3% |
| TMDX Transmedics Group Inc. | 0.45% | 171,068 | $17.0M | Reduce -8.5% |
| BANX Arrowmark Financial Corp. | 0.45% | 884,834 | $16.9M | Add +9.5% |
| NVST Envista Holdings Corp. | 0.45% | 663,643 | $16.8M | No change |
| CHWY Chewy Inc. Class A | 0.44% | 614,418 | $16.6M | Add +37.0% |
| LVS Las Vegas Sands Corp. | 0.44% | 306,156 | $16.5M | Reduce -64.8% |
| PRVA Privia Health Group Inc. | 0.42% | 775,369 | $15.9M | Reduce -7.8% |
| KNSA Kiniksa Pharmaceuticals Inte | 0.41% | 316,956 | $15.3M | Reduce -5.0% |
| FCNCA First Citizens Bcshs Class A | 0.40% | 7,886 | $14.9M | Reduce -15.6% |
| TNGX Tango Therapeutics Inc. | 0.39% | 708,385 | $14.8M | No change |
| RRX Regal Rexnord Corp. | 0.39% | 77,600 | $14.5M | Add +4.0% |
| CRC California Resources Corp. | 0.38% | 209,000 | $14.5M | Reduce -9.1% |
| YSS York Space Systems Inc. | 0.38% | 648,504 | $14.4M | New |
| STVN Stevanato Group SPA | 0.38% | 1,045,459 | $14.4M | Reduce -13.9% |
| ABCL Abcellera Biologics Inc. | 0.38% | 4,105,095 | $14.3M | No change |
| LMRI Lumexa Imaging Holdings Inc. | 0.38% | 1,653,258 | $14.2M | Add +10.2% |
| TKR Timken Co. | 0.37% | 137,489 | $13.8M | Reduce -13.4% |
| CACI Caci International Inc. Class A | 0.36% | 25,132 | $13.7M | Reduce -4.2% |
| AGIO Agios Pharmaceuticals Inc. | 0.36% | 403,590 | $13.7M | Reduce -13.4% |
| FOXF Fox Factory Holding Corp. | 0.35% | 806,733 | $13.3M | Reduce -15.0% |
| LEGN Legend Biotech Corp.-ADR | 0.35% | 727,144 | $13.2M | Add +0.7% |
| ZBIO Zenas Biopharma Inc. | 0.34% | 658,909 | $12.9M | Reduce -12.3% |
| AUR Aurora Innovation Inc. | 0.34% | 3,111,842 | $12.8M | New |
| CGON CG Oncology Inc. | 0.34% | 186,312 | $12.6M | Reduce -24.2% |
| SUI Sun Communities Inc. filed as SUN CMNTYS INC | 0.33% | 97,312 | $12.3M | Add +61.4% |
| CSTM Constellium SE | 0.32% | 497,379 | $12.2M | Reduce -17.6% |
| DYN Dyne Therapeutics Inc. | 0.32% | 673,949 | $12.2M | Reduce -3.8% |
| HQY Healthequity Inc. | 0.32% | 145,827 | $12.2M | Reduce -14.1% |
| ORIC Oric Pharmaceuticals Inc. | 0.32% | 960,517 | $12.2M | Reduce -9.7% |
| EVRG Evergy Inc. | 0.32% | 148,000 | $12.1M | Reduce -9.8% |
| HLI Houlihan Lokey Inc. | 0.32% | 84,086 | $12.1M | Reduce -2.9% |
| DLTR Dollar Tree Inc. | 0.32% | 110,125 | $12.1M | Reduce -18.5% |
| BEPC Brookfield Renewable Corp. | 0.32% | 302,300 | $12.0M | No change |
| TTAN Servicetitan Inc. Class A | 0.32% | 188,748 | $12.0M | New |
| ADEA Adeia Inc. | 0.31% | 487,000 | $11.7M | Reduce -16.8% |
Other holdings (1): bonds, preferreds, convertibles and warrants · $2K (not counted above)
| Security | Class | Shares / Principal | Value | Change |
|---|---|---|---|---|
| SRZNW Surrozen Inc.-CW25 | *W EXP 08/01/203 | 108,333 | $2K | No change |
Total filed on the 13F, all lines: $3.8B.
Portfolio Sells Q4 2025 → Q1 2026
| ZD Ziff Davis Inc. | Sold out | 0.00% | −1.06 |
| PRCT Procept Biorobotics Corp. | Sold out | 0.00% | −0.93 |
| PGNY Progyny Inc. | Sold out | 0.00% | −0.83 |
| SPT Sprout Social Inc. Class A | Reduce -83.5% | 0.09% | −0.83 |
| LVS Las Vegas Sands Corp. | Reduce -64.8% | 0.44% | −0.81 |
| GMED Globus Medical Inc. Class A | Reduce -42.0% | 1.12% | −0.50 |
| DOCS Doximity Inc. Class A | Sold out | 0.00% | −0.41 |
| ALKT Alkami Technology Inc. | Reduce -14.5% | 0.93% | −0.40 |
| VIA Via Transportation Inc. Class A | Sold out | 0.00% | −0.38 |
| CERT Certara Inc. | Reduce -16.3% | 0.70% | −0.37 |
| TPB Turning Point Brands Inc. | Reduce -14.3% | 1.72% | −0.36 |
| CCSI Consensus Cloud Solution | Reduce -68.3% | 0.23% | −0.33 |
| MGM MGM Resorts International | Reduce -41.2% | 0.84% | −0.33 |
| SBH Sally Beauty Holdings Inc. | Sold out | 0.00% | −0.31 |
| RELY Remitly Global Inc. | Reduce -53.5% | 0.51% | −0.29 |
| MNDY Monday.com Ltd. | Sold out | 0.00% | −0.28 |
| VCYT Veracyte Inc. | Reduce -12.0% | 1.18% | −0.27 |
| TNET Trinet Group Inc. | Reduce -5.9% | 0.63% | −0.27 |
| QDEL Quidelortho Corp. | Sold out | 0.00% | −0.27 |
| ZBIO Zenas Biopharma Inc. | Reduce -12.3% | 0.34% | −0.26 |
| MMSI Merit Medical Systems Inc. | Reduce -23.8% | 0.64% | −0.25 |
| HON Honeywell International Inc. | Sold out | 0.00% | −0.23 |
| RAMP Liveramp Holdings Inc. | Sold out | 0.00% | −0.22 |
| BABA Alibaba Group Holding-SP ADR | Reduce -52.8% | 0.21% | −0.22 |
| NGD New Gold Inc. | Sold out | 0.00% | −0.22 |
| EXAS Exact Sciences Corp. | Sold out | 0.00% | −0.20 |
| GFS Globalfoundries Inc. | Reduce -45.6% | 0.98% | −0.19 |
| MDGL Madrigal Pharmaceuticals Inc. | Reduce -24.4% | 0.87% | −0.19 |
| SRAD Sportradar Group AG-A | Reduce -96.6% | 0.01% | −0.19 |
| BBIO Bridgebio Pharma Inc. | Sold out | 0.00% | −0.19 |
| GPCR Structure Therapeutics Inc. | Reduce -30.6% | 0.24% | −0.17 |
| ZIP Ziprecruiter Inc. Class A | Sold out | 0.00% | −0.17 |
| EXP Eagle Materials Inc. | Reduce -46.7% | 0.25% | −0.17 |
| PENG Penguin Solutions Inc. | Reduce -70.2% | 0.08% | −0.17 |
| DT Dynatrace Inc. | Reduce -17.3% | 0.96% | −0.17 |
| STVN Stevanato Group SPA | Reduce -13.9% | 0.38% | −0.16 |
| AMPL Amplitude Inc. Class A | Reduce -15.4% | 0.23% | −0.15 |
| BYRN Byrna Technologies Inc. | Sold out | 0.00% | −0.15 |
| NUVL Nuvalent Inc. Class A | Reduce -36.9% | 0.51% | −0.15 |
| NABL N-Able Inc. | Reduce -13.5% | 0.26% | −0.14 |
| DBRG Digitalbridge Group Inc. | Sold out | 0.00% | −0.13 |
| ANDG Andersen Group Inc. Class A | Reduce -60.2% | 0.13% | −0.13 |
| ESTC Elastic NV | Reduce -13.6% | 0.28% | −0.13 |
| ADM Archer-Daniels-Midland Co. | Reduce -88.6% | 0.03% | −0.12 |
| PHR Phreesia Inc. | Sold out | 0.00% | −0.12 |
| COO The Cooper Cos Inc. | Reduce -13.4% | 1.26% | −0.12 |
| EEFT Euronet Worldwide Inc. | Reduce -16.7% | 0.85% | −0.12 |
| LASR Nlight Inc. | Reduce -63.8% | 0.23% | −0.12 |
| HELP Cybin Inc. | Sold out | 0.00% | −0.11 |
| CARG Cargurus Inc. | Reduce -14.4% | 1.17% | −0.10 |
Portfolio Buys Q4 2025 → Q1 2026
| PRAX Praxis Precision Medicines I | Add +292.8% | 1.01% | +0.81 |
| DFTX Definium Therapeutics Inc. | New | 0.80% | +0.80 |
| GNRC Generac Holdings Inc. | Add +109.7% | 0.94% | +0.68 |
| AXGN Axogen Inc. | Add +29.9% | 1.69% | +0.62 |
| RBA RB Global Inc. | Add +31.3% | 1.73% | +0.56 |
| FSS Federal Signal Corp. | Add +9.3% | 1.79% | +0.43 |
| SPXC SPX Technologies Inc. | Add +24.6% | 1.16% | +0.39 |
| YSS York Space Systems Inc. | New | 0.38% | +0.38 |
| STRL Sterling Infrastructure Inc. | Add +1.1% | 0.93% | +0.36 |
| AUR Aurora Innovation Inc. | New | 0.34% | +0.34 |
| TTAN Servicetitan Inc. Class A | New | 0.32% | +0.32 |
| HNGE Hinge Health Inc. Class A | Add +23.7% | 1.61% | +0.31 |
| AIT Applied Industrial Tech Inc. | Add +10.0% | 1.04% | +0.28 |
| AAON Aaon Inc. | Add +35.6% | 0.62% | +0.27 |
| FIGR Figure Technology Solut Class A | Add +69.4% | 0.62% | +0.25 |
| CDE Coeur Mining Inc. | New | 0.25% | +0.25 |
| SGI Somnigroup International Inc. | Add +55.5% | 0.66% | +0.24 |
| KVYO Klaviyo Inc. Class A | Add +82.5% | 0.77% | +0.19 |
| USLM United States Lime & Mineral | Add +3.8% | 0.69% | +0.19 |
| TNDM Tandem Diabetes Care Inc. | Add +7.4% | 1.58% | +0.18 |
| CZR Caesars Entertainment Inc. | New | 0.17% | +0.17 |
| SUI Sun Communities Inc. | Add +61.4% | 0.33% | +0.16 |
| AKTS Aktis Oncology Inc. | New | 0.16% | +0.16 |
| RRX Regal Rexnord Corp. | Add +4.0% | 0.39% | +0.16 |
| ATS Ats Corp. | New | 0.13% | +0.13 |
| TRNS Transcat Inc. | Add +12.6% | 0.29% | +0.13 |
| CLBT Cellebrite Di Ltd. | Add +38.3% | 0.55% | +0.12 |
| CHWY Chewy Inc. Class A | Add +37.0% | 0.44% | +0.11 |
| TFIN Triumph Financial Inc. | Add +114.3% | 0.17% | +0.10 |
| KAI Kadant Inc. | Add +21.5% | 0.29% | +0.10 |
| ACVA Acv Auctions Inc. Class A | Add +144.9% | 0.25% | +0.09 |
| FDX FedEx Corp. | Add +23.2% | 0.20% | +0.09 |
| PRCH Porch Group Inc. | New | 0.09% | +0.09 |
| VSEC Vse Corp. | Add +6.1% | 0.30% | +0.08 |
| CHDN Churchill Downs Inc. | Add +9.7% | 1.71% | +0.07 |
| TFX Teleflex Inc. | Add +15.0% | 0.28% | +0.07 |
| CMPX Compass Therapeutics Inc. | New | 0.07% | +0.07 |
| BRKR Bruker Corp. | Add +227.3% | 0.10% | +0.07 |
| LFST Lifestance Health Group Inc. | Add +422.1% | 0.08% | +0.07 |
| PSN Parsons Corp. | Add +26.4% | 0.26% | +0.07 |
| NP Neptune Insurance Holdi Class A | Add +44.0% | 0.22% | +0.07 |
| HLMN Hillman Solutions Corp. | Add +28.2% | 0.19% | +0.06 |
| BANX Arrowmark Financial Corp. | Add +9.5% | 0.45% | +0.06 |
| AMSC American Superconductor Corp. | Add +22.6% | 0.12% | +0.05 |
| KNF Knife River Corp. | New | 0.05% | +0.05 |
| JHX James Hardie Ind PLC | Add +32.0% | 0.15% | +0.05 |
| KLAR Klarna Group PLC | New | 0.05% | +0.05 |
| GMTL Guardian Metal Resources | New | 0.04% | +0.04 |
| CRWD CrowdStrike Holdings Inc. Class A | New | 0.04% | +0.04 |
| WMS Advanced Drainage Systems Inc. | Add +4.5% | 0.25% | +0.04 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 294 | $2.4B | BIL, MGM, VST, AXGN, ABCL |
| Q1 2026 | 292 | $3.8B | BIL, FSS, TRMB, RBA, TPB |
| Q4 2025 | 308 | $4.5B | BIL, TPB, TRMB, CHDN, GMED |
| Q3 2025 | 302 | $5.4B | BIL, TRMB, CARG, ALKT, CERT |
| Q2 2025 | 300 | $5.6B | CARG, RBA, TRMB, ALIT, CHDN |
| Q1 2025 | 297 | $6.2B | RBA, CARG, CHDN, EEFT, TRMB |
| Q4 2024 | 306 | $7.4B | RBA, CARG, CHDN, TRMB, ALIT |
| Q3 2024 | 298 | $7.8B | RBA, SMAR, TRMB, CARG, CHDN |
| Q2 2024 | 310 | $8.4B | RBA, ACVA, TRMB, CARG, ZD |
| Q1 2024 | 315 | $8.9B | RBA, TRMB, ALIT, ACVA, MATX |