Next Century Growth Investors LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 14, 2026), Next Century Growth Investors LLC reported 112 stock positions worth $1.4 billion. Its top holding was Astronics (ATRO) at 3.8% of the portfolio, followed by Lincoln Educational Services (LINC, 3.1%) and Alignment Healthcare (ALHC, 2.9%). Compared with Q4 2025, it opened 20 new positions, sold out of 28, added to 30 and reduced 62. The biggest buy was Lincoln Educational Services (LINC, shares +32%) and the biggest sale Alphatec (ATEC, shares −2%).
- Most Recent 13F
- Q2 2026
- Location
- PLYMOUTH, MN
- CIK
- 0001134007
- Portfolio Value
- $1.4B (Q1 2026)
- SEC Filing
- 0001134007-26-000003 ↗ filed May 14, 2026
Holdings Value
Holdings 112 stocks · $1.4B
| ATRO Astronics Corp. | 3.80% | 786,317 | $52.5M | Reduce -26.4% |
| LINC Lincoln Educational Services | 3.07% | 1,040,602 | $42.3M | Add +31.5% |
| ALHC Alignment Healthcare Inc. | 2.89% | 2,262,076 | $39.9M | Reduce -2.0% |
| AORT Artivion Inc. | 2.72% | 1,023,701 | $37.5M | Reduce -2.0% |
| MYRG MYR Group Inc./Delaware | 2.65% | 129,579 | $36.6M | Reduce -2.2% |
| MIRM Mirum Pharmaceuticals Inc. | 2.58% | 385,539 | $35.6M | Add +4.8% |
| UTI Universal Technical Institut | 2.50% | 955,102 | $34.5M | Reduce -15.0% |
| XMTR Xometry Inc. Class A | 2.33% | 787,430 | $32.2M | Reduce -2.0% |
| PAY Paymentus Holdings Inc. Class A | 2.13% | 1,158,353 | $29.4M | Reduce -2.0% |
| MTSI Macom Technology Solutions H | 2.10% | 130,256 | $28.9M | Add +3.8% |
| AXGN Axogen Inc. | 2.08% | 865,963 | $28.7M | Add +8.3% |
| AEHR Aehr Test Systems | 2.03% | 754,737 | $28.0M | Add +36.6% |
| STRL Sterling Infrastructure Inc. | 1.99% | 67,407 | $27.5M | Reduce -17.7% |
| AAOI Applied Optoelectronics Inc. | 1.97% | 320,731 | $27.1M | Reduce -31.1% |
| MAMA Mama's Creations Inc. | 1.94% | 1,746,308 | $26.8M | Add +3.3% |
| ALM Almonty Industries Inc. | 1.91% | 1,819,124 | $26.3M | Reduce -1.9% |
| COHR Coherent Corp. | 1.90% | 109,999 | $26.2M | Add +10.5% |
| LSCC Lattice Semiconductor Corp. | 1.88% | 279,600 | $25.9M | Reduce -10.1% |
| ATEC Alphatec Holdings Inc. | 1.87% | 2,370,377 | $25.8M | Reduce -2.0% |
| FTAI Ftai Aviation Ltd. | 1.74% | 98,235 | $24.1M | Reduce -16.7% |
| GLBE Global-E Online Ltd. | 1.70% | 762,300 | $23.5M | Add +177.5% |
| CRS Carpenter Technology | 1.63% | 57,179 | $22.5M | Reduce -2.4% |
| RBC RBC Bearings Inc. | 1.55% | 39,498 | $21.5M | Add +7.4% |
| IRTC Irhythm Holdings Inc. | 1.45% | 169,306 | $20.0M | Reduce -2.0% |
| AAPL Apple Inc. | 1.44% | 78,087 | $19.8M | Reduce -1.7% |
| NVDA Nvidia Corp. | 1.43% | 113,223 | $19.7M | Reduce -8.8% |
| LGND Ligand Pharmaceuticals | 1.39% | 95,876 | $19.1M | New |
| PKE Park Aerospace Corp. | 1.33% | 672,168 | $18.4M | Add +27.8% |
| UCTT Ultra Clean Holdings Inc. | 1.26% | 280,543 | $17.4M | New |
| SITM Sitime Corp. | 1.25% | 49,984 | $17.3M | Add +27.5% |
| BROS Dutch Bros Inc. Class A | 1.22% | 332,828 | $16.9M | Add +7.7% |
| HTFL Heartflow Inc. | 1.15% | 652,969 | $15.9M | New |
| SAIA Saia Inc. | 1.05% | 41,151 | $14.5M | Add +33.9% |
| INOD Innodata Inc. | 1.03% | 368,402 | $14.2M | Add +0.7% |
| KRMN Karman Holdings Inc. | 0.99% | 171,203 | $13.7M | Reduce -26.3% |
| LGN Legence Corp. Class A | 0.97% | 238,114 | $13.4M | Reduce -1.6% |
| OLLI Ollie's Bargain Outlet Holdi | 0.89% | 132,800 | $12.2M | Add +55.9% |
| AGYS Agilysys Inc. | 0.83% | 160,490 | $11.4M | Add +93.4% |
| TCMD Tactile Systems Technology I | 0.81% | 428,159 | $11.2M | Add +9.8% |
| GOOGL Alphabet Inc. Class A | 0.81% | 38,844 | $11.2M | Add +13.3% |
| MSFT Microsoft Corp. | 0.81% | 30,004 | $11.1M | Reduce -30.6% |
| MOD Modine Manufacturing Co. | 0.79% | 50,223 | $10.9M | New |
| APLD Applied Digital Corp. | 0.74% | 431,900 | $10.3M | Reduce -45.8% |
| WULF Terawulf Inc. | 0.73% | 694,476 | $10.0M | Reduce -41.2% |
| CELH Celsius Holdings Inc. | 0.71% | 277,288 | $9.8M | Add +11.8% |
| AIP Arteris Inc. | 0.70% | 589,585 | $9.7M | Add +19.5% |
| AVGO Broadcom Inc. | 0.70% | 31,267 | $9.7M | Reduce -1.6% |
| TMDX Transmedics Group Inc. | 0.69% | 96,445 | $9.6M | Reduce -2.0% |
| FEIM Frequency Electronics Inc. | 0.69% | 216,374 | $9.6M | Reduce -1.4% |
| KMTS Kestra Medical Technologies | 0.66% | 457,558 | $9.1M | Reduce -1.8% |
| KNX Knight-Swift Transportation | 0.66% | 157,491 | $9.1M | New |
| AAON Aaon Inc. | 0.65% | 108,535 | $9.0M | Reduce -22.1% |
| ICHR Ichor Holdings Ltd. | 0.63% | 187,005 | $8.7M | New |
| FPS Forgent Power Solutions Class A | 0.61% | 289,800 | $8.5M | New |
| FROG Jfrog Ltd. | 0.61% | 178,874 | $8.4M | Reduce -50.0% |
| VRT Vertiv Holdings Co. Class A | 0.59% | 32,281 | $8.1M | Reduce -2.5% |
| CVLG Covenant Logistics Group Inc. | 0.58% | 294,868 | $8.0M | New |
| PL Planet Labs PBC | 0.57% | 281,533 | $7.9M | Reduce -73.6% |
| CAVA Cava Group Inc. | 0.54% | 91,995 | $7.4M | New |
| MPTI M-Tron Industries Inc. | 0.52% | 108,220 | $7.2M | Reduce -1.5% |
| ORN Orion Group Holdings Inc. | 0.52% | 656,914 | $7.2M | Reduce -1.6% |
| LOAR Loar Holdings Inc. | 0.52% | 124,938 | $7.2M | Add +171.4% |
| BLLN Billiontoone Inc. Class A | 0.52% | 90,564 | $7.1M | Add +147.0% |
| AMZN Amazon.com Inc. | 0.51% | 33,937 | $7.1M | Reduce -34.0% |
| ADPT Adaptive Biotechnologies | 0.51% | 504,346 | $7.0M | Reduce -46.5% |
| ADMA Adma Biologics Inc. | 0.51% | 774,436 | $7.0M | Reduce -29.6% |
| BLFS Biolife Solutions Inc. | 0.50% | 361,940 | $6.9M | Add +37.6% |
| SARO Standardaero Inc. | 0.49% | 262,996 | $6.8M | Reduce -2.3% |
| GS Goldman Sachs Group Inc. | 0.47% | 7,627 | $6.5M | Reduce -1.6% |
| TEX Terex Corp. | 0.47% | 109,002 | $6.4M | New |
| MP MP Materials Corp. | 0.45% | 128,243 | $6.2M | Reduce -2.4% |
| HWM Howmet Aerospace Inc. | 0.44% | 26,291 | $6.1M | Reduce -18.1% |
| BE Bloom Energy Corp. Class A | 0.44% | 44,698 | $6.1M | Reduce -2.4% |
| BWB Bridgewater Bancshares Inc. | 0.43% | 333,554 | $5.9M | Reduce -1.6% |
| SVCO Silvaco Group Inc. | 0.43% | 831,903 | $5.9M | New |
| MRTN Marten Transport Ltd. | 0.40% | 418,371 | $5.5M | New |
| WAY Waystar Holding Corp. | 0.38% | 216,616 | $5.2M | Reduce -8.6% |
| META Meta Platforms Inc. Class A | 0.37% | 9,031 | $5.2M | Reduce -1.7% |
| GEV GE Vernova Inc. | 0.36% | 5,702 | $5.0M | Reduce -10.8% |
| CAT Caterpillar Inc. | 0.36% | 6,994 | $5.0M | Add +39.2% |
| VCEL Vericel Corp. | 0.36% | 152,779 | $4.9M | New |
| EVLV Evolv Technologies Holdings | 0.35% | 807,321 | $4.9M | Reduce -1.6% |
| SIBN Si-Bone Inc. | 0.35% | 383,958 | $4.8M | Add +170.4% |
| EQPT Equipmentshare.com Inc. Class A | 0.34% | 226,974 | $4.6M | New |
| AMAT Applied Materials Inc. | 0.33% | 13,367 | $4.6M | New |
| GE General Electric filed as GE AEROSPACE | 0.33% | 15,827 | $4.5M | Reduce -9.7% |
| INSM Insmed Inc. | 0.31% | 26,167 | $4.3M | Add +28.9% |
| YSS York Space Systems Inc. | 0.31% | 191,817 | $4.3M | New |
| ZETA Zeta Global Holdings Corp. Class A | 0.30% | 264,027 | $4.2M | Reduce -29.1% |
| TSLA Tesla Inc. | 0.28% | 10,563 | $3.9M | Reduce -1.7% |
| OFRM Once Upon A Farm PBC | 0.28% | 238,059 | $3.9M | New |
| AXON Axon Enterprise Inc. | 0.28% | 9,149 | $3.9M | Add +42.0% |
| V Visa Inc. Class A | 0.28% | 12,556 | $3.8M | Add +31.1% |
| PEGA Pegasystems Inc. | 0.25% | 82,077 | $3.5M | Reduce -29.6% |
| CRWD CrowdStrike Holdings Inc. Class A | 0.25% | 8,738 | $3.4M | Add +128.3% |
| KNSL Kinsale Capital Group Inc. | 0.24% | 9,606 | $3.3M | Reduce -46.1% |
| LMB Limbach Holdings Inc. | 0.21% | 37,757 | $2.9M | Reduce -1.6% |
| PWR Quanta Services Inc. | 0.21% | 5,293 | $2.9M | Reduce -3.7% |
| SHOP Shopify Inc. Class A | 0.21% | 24,454 | $2.9M | Reduce -35.7% |
| AMD Advanced Micro Devices | 0.19% | 12,867 | $2.6M | Reduce -1.7% |
Portfolio Sells Q4 2025 → Q1 2026
| ATEC Alphatec Holdings Inc. | Reduce -2.0% | 1.87% | −1.66 |
| WGS Genedx Holdings Corp. | Sold out | 0.00% | −1.57 |
| CCB Coastal Financial Corp. | Sold out | 0.00% | −1.42 |
| PEN Penumbra Inc. | Sold out | 0.00% | −1.03 |
| XMTR Xometry Inc. Class A | Reduce -2.0% | 2.33% | −0.99 |
| FROG Jfrog Ltd. | Reduce -50.0% | 0.61% | −0.94 |
| ADMA Adma Biologics Inc. | Reduce -29.6% | 0.51% | −0.89 |
| PL Planet Labs PBC | Reduce -73.6% | 0.57% | −0.89 |
| NTSK Netskope Inc. Class A | Sold out | 0.00% | −0.70 |
| CRDO Credo Technology Group Holdi | Sold out | 0.00% | −0.70 |
| IRTC Irhythm Holdings Inc. | Reduce -2.0% | 1.45% | −0.68 |
| MSFT Microsoft Corp. | Reduce -30.6% | 0.81% | −0.65 |
| APLD Applied Digital Corp. | Reduce -45.8% | 0.74% | −0.61 |
| AORT Artivion Inc. | Reduce -2.0% | 2.72% | −0.59 |
| ADPT Adaptive Biotechnologies | Reduce -46.5% | 0.51% | −0.56 |
| OWLT Owlet Inc. | Sold out | 0.00% | −0.55 |
| PAY Paymentus Holdings Inc. Class A | Reduce -2.0% | 2.13% | −0.46 |
| PHAT Phathom Pharmaceuticals Inc. | Sold out | 0.00% | −0.45 |
| AVAV Aerovironment Inc. | Sold out | 0.00% | −0.45 |
| FIGR Figure Technology Solut Class A | Sold out | 0.00% | −0.45 |
| OPRX Optimizerx Corp. | Sold out | 0.00% | −0.43 |
| PGY Pagaya Technologies Ltd. Class A | Sold out | 0.00% | −0.41 |
| TATT Tat Technologies Ltd. | Sold out | 0.00% | −0.41 |
| SNOW Snowflake Inc. | Sold out | 0.00% | −0.39 |
| LEU Centrus Energy Corp. Class A | Reduce -57.7% | 0.18% | −0.39 |
| PSNL Personalis Inc. | Sold out | 0.00% | −0.35 |
| AMZN Amazon.com Inc. | Reduce -34.0% | 0.51% | −0.31 |
| ALHC Alignment Healthcare Inc. | Reduce -2.0% | 2.89% | −0.28 |
| MDB Mongodb Inc. | Sold out | 0.00% | −0.26 |
| WING Wingstop Inc. | Reduce -42.6% | 0.17% | −0.26 |
| BRCB Black Rock Coffee Bar Inc. Class A | Sold out | 0.00% | −0.25 |
| KNSL Kinsale Capital Group Inc. | Reduce -46.1% | 0.24% | −0.25 |
| APP AppLovin Corp. Class A | Reduce -40.2% | 0.14% | −0.24 |
| PEGA Pegasystems Inc. | Reduce -29.6% | 0.25% | −0.23 |
| PCOR Procore Technologies Inc. | Sold out | 0.00% | −0.23 |
| ZETA Zeta Global Holdings Corp. Class A | Reduce -29.1% | 0.30% | −0.22 |
| ATRO Astronics Corp. | Reduce -26.4% | 3.80% | −0.22 |
| WULF Terawulf Inc. | Reduce -41.2% | 0.73% | −0.22 |
| SHOP Shopify Inc. Class A | Reduce -35.7% | 0.21% | −0.21 |
| PI Impinj Inc. | Sold out | 0.00% | −0.21 |
| ASIC Ategrity Specialty Holdings | Sold out | 0.00% | −0.21 |
| KMTS Kestra Medical Technologies | Reduce -1.8% | 0.66% | −0.20 |
| KRMN Karman Holdings Inc. | Reduce -26.3% | 0.99% | −0.19 |
| BETA Beta Technologies Inc. Class A | Sold out | 0.00% | −0.19 |
| NVDA Nvidia Corp. | Reduce -8.8% | 1.43% | −0.18 |
| UAMY United States Antimony Corp. | Sold out | 0.00% | −0.17 |
| BA The Boeing Co. | Sold out | 0.00% | −0.16 |
| WAY Waystar Holding Corp. | Reduce -8.6% | 0.38% | −0.16 |
| ORCL Oracle Corp. | Sold out | 0.00% | −0.15 |
| GWRE Guidewire Software Inc. | Sold out | 0.00% | −0.14 |
Portfolio Buys Q4 2025 → Q1 2026
| LINC Lincoln Educational Services | Add +31.5% | 3.07% | +1.74 |
| LGND Ligand Pharmaceuticals | New | 1.39% | +1.39 |
| UCTT Ultra Clean Holdings Inc. | New | 1.26% | +1.26 |
| AEHR Aehr Test Systems | Add +36.6% | 2.03% | +1.25 |
| HTFL Heartflow Inc. | New | 1.15% | +1.15 |
| GLBE Global-E Online Ltd. | Add +177.5% | 1.70% | +0.95 |
| MOD Modine Manufacturing Co. | New | 0.79% | +0.79 |
| KNX Knight-Swift Transportation | New | 0.66% | +0.66 |
| ICHR Ichor Holdings Ltd. | New | 0.63% | +0.63 |
| COHR Coherent Corp. | Add +10.5% | 1.90% | +0.62 |
| FPS Forgent Power Solutions Class A | New | 0.61% | +0.61 |
| MTSI Macom Technology Solutions H | Add +3.8% | 2.10% | +0.60 |
| CVLG Covenant Logistics Group Inc. | New | 0.58% | +0.58 |
| MIRM Mirum Pharmaceuticals Inc. | Add +4.8% | 2.58% | +0.56 |
| PKE Park Aerospace Corp. | Add +27.8% | 1.33% | +0.55 |
| CAVA Cava Group Inc. | New | 0.54% | +0.54 |
| TEX Terex Corp. | New | 0.47% | +0.47 |
| SVCO Silvaco Group Inc. | New | 0.43% | +0.43 |
| RBC RBC Bearings Inc. | Add +7.4% | 1.55% | +0.41 |
| MRTN Marten Transport Ltd. | New | 0.40% | +0.40 |
| MAMA Mama's Creations Inc. | Add +3.3% | 1.94% | +0.36 |
| VCEL Vericel Corp. | New | 0.36% | +0.36 |
| SAIA Saia Inc. | Add +33.9% | 1.05% | +0.35 |
| EQPT Equipmentshare.com Inc. Class A | New | 0.34% | +0.34 |
| AMAT Applied Materials Inc. | New | 0.33% | +0.33 |
| BLLN Billiontoone Inc. Class A | Add +147.0% | 0.52% | +0.31 |
| YSS York Space Systems Inc. | New | 0.31% | +0.31 |
| LOAR Loar Holdings Inc. | Add +171.4% | 0.52% | +0.30 |
| SITM Sitime Corp. | Add +27.5% | 1.25% | +0.29 |
| OFRM Once Upon A Farm PBC | New | 0.28% | +0.28 |
| AXGN Axogen Inc. | Add +8.3% | 2.08% | +0.26 |
| OLLI Ollie's Bargain Outlet Holdi | Add +55.9% | 0.89% | +0.24 |
| AIP Arteris Inc. | Add +19.5% | 0.70% | +0.17 |
| PLTR Palantir Technologies Inc. Class A | New | 0.17% | +0.17 |
| CAT Caterpillar Inc. | Add +39.2% | 0.36% | +0.16 |
| SIBN Si-Bone Inc. | Add +170.4% | 0.35% | +0.16 |
| AGYS Agilysys Inc. | Add +93.4% | 0.83% | +0.14 |
| STX Seagate Technology Holdings | New | 0.13% | +0.13 |
| CRWD CrowdStrike Holdings Inc. Class A | Add +128.3% | 0.25% | +0.12 |
| INSM Insmed Inc. | Add +28.9% | 0.31% | +0.06 |
| GOOGL Alphabet Inc. Class A | Add +13.3% | 0.81% | +0.06 |
| BLFS Biolife Solutions Inc. | Add +37.6% | 0.50% | +0.06 |
| GH Guardant Health Inc. | Add +45.9% | 0.18% | +0.05 |
| V Visa Inc. Class A | Add +31.1% | 0.28% | +0.04 |
| KOPN Kopin Corp. | New | 0.04% | +0.04 |
| AXON Axon Enterprise Inc. | Add +42.0% | 0.28% | +0.03 |
| TCMD Tactile Systems Technology I | Add +9.8% | 0.81% | +0.03 |
| CELH Celsius Holdings Inc. | Add +11.8% | 0.71% | −0.07 |
| BROS Dutch Bros Inc. Class A | Add +7.7% | 1.22% | −0.09 |
| INOD Innodata Inc. | Add +0.7% | 1.03% | −0.26 |
Notes & Other Activity Q4 2025 → Q1 2026
| MPTI.WS M-Tron Industries Inc. -28 | *W EXP 04/25/202 | Sold out | 27,967 | $28Kbefore exit |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 113 | $1.9B | XMTR, LGND, ALHC, ATRO, LINC |
| Q1 2026 | 112 | $1.4B | ATRO, LINC, ALHC, AORT, MYRG |
| Q4 2025 | 120 | $1.4B | ATRO, ATEC, XMTR, AORT, ALHC |
| Q3 2025 | 123 | $1.4B | ATRO, AORT, XMTR, ALHC, UTI |
| Q2 2025 | 122 | $1.3B | ATRO, PAY, STRL, IRTC, UTI |
| Q1 2025 | 122 | $1.1B | WGS, PAY, ALHC, ATRO, PAR |
| Q4 2024 | 130 | $1.3B | PAY, PAR, GDYN, VCEL, ACVA |
| Q3 2024 | 127 | $1.2B | ATRO, TNDM, TMDX, VRRM, RXST |
| Q2 2024 | 122 | $1.2B | TMDX, ATRO, VRRM, NSSC, TNDM |
| Q1 2024 | 120 | $1.2B | ATRO, VERX, VRRM, TMDX, LGIH |