{
 "url": "https://etfiq.com/funds/mid/holdings/",
 "section": "funds",
 "title": "MID Holdings: All 35 Positions (May 31, 2026) | ETFIQ",
 "description": "All 35 MID holdings with weights, as of May 31, 2026. The top 3 are MPWR 8.20%, NET 7.26% and OKTA 7.01%. Download the full list as a CSV.",
 "as_of": "May 31, 2026",
 "ticker": "MID",
 "fund": "American Century Mid Cap Growth Impact ETF",
 "fund_page": "https://etfiq.com/funds/mid",
 "positions": 35,
 "positions_listed_on_page": 35,
 "lead": "MID held 35 positions as of May 31, 2026. Monolithic Power Systems Inc is the largest at 8.20%; the top 10 are 53.6% of the fund.",
 "source": {
  "name": "Form N-PORT filed with the SEC",
  "url": "https://www.sec.gov/Archives/edgar/data/1710607/000119312526323978/primary_doc.xml",
  "document": "the fund’s SEC filing",
  "book_date": "2026-05-31",
  "file_date": null
 },
 "top_positions": [
  {
   "rank": 1,
   "holding": "Monolithic Power Systems Inc",
   "ticker": "MPWR",
   "weight_pct": 8.204,
   "page": "https://etfiq.com/holdings/mpwr/"
  },
  {
   "rank": 2,
   "holding": "Cloudflare Inc",
   "ticker": "NET",
   "weight_pct": 7.262,
   "page": "https://etfiq.com/holdings/net/"
  },
  {
   "rank": 3,
   "holding": "Okta Inc",
   "ticker": "OKTA",
   "weight_pct": 7.007,
   "page": "https://etfiq.com/holdings/okta/"
  },
  {
   "rank": 4,
   "holding": "Johnson Controls International plc",
   "ticker": "JCI",
   "weight_pct": 5.405,
   "page": "https://etfiq.com/holdings/jci/"
  },
  {
   "rank": 5,
   "holding": "Cadence Design Systems Inc",
   "ticker": "CDNS",
   "weight_pct": 4.819,
   "page": "https://etfiq.com/holdings/cdns/"
  },
  {
   "rank": 6,
   "holding": "WESCO International Inc",
   "ticker": "WCC",
   "weight_pct": 4.679,
   "page": "https://etfiq.com/holdings/wcc/"
  },
  {
   "rank": 7,
   "holding": "Targa Resources Corp",
   "ticker": "TRGP",
   "weight_pct": 4.511,
   "page": "https://etfiq.com/holdings/trgp/"
  },
  {
   "rank": 8,
   "holding": "Vistra Corp",
   "ticker": "VST",
   "weight_pct": 4.126,
   "page": "https://etfiq.com/holdings/vst/"
  },
  {
   "rank": 9,
   "holding": "Hubbell Inc",
   "ticker": "HUBB",
   "weight_pct": 3.842,
   "page": "https://etfiq.com/holdings/hubb/"
  },
  {
   "rank": 10,
   "holding": "Vertiv Holdings Co",
   "ticker": "VRT",
   "weight_pct": 3.791,
   "page": "https://etfiq.com/holdings/vrt/"
  },
  {
   "rank": 11,
   "holding": "Chipotle Mexican Grill Inc",
   "ticker": "CMG",
   "weight_pct": 3.644,
   "page": "https://etfiq.com/holdings/cmg/"
  },
  {
   "rank": 12,
   "holding": "MSCI Inc",
   "ticker": "MSCI",
   "weight_pct": 3.501,
   "page": "https://etfiq.com/holdings/msci/"
  },
  {
   "rank": 13,
   "holding": "Alnylam Pharmaceuticals Inc",
   "ticker": "ALNY",
   "weight_pct": 3.194,
   "page": "https://etfiq.com/holdings/alny/"
  },
  {
   "rank": 14,
   "holding": "On Holding AG",
   "ticker": "ONON",
   "weight_pct": 2.884,
   "page": null
  },
  {
   "rank": 15,
   "holding": "Capstone Copper Corp",
   "ticker": "CS",
   "weight_pct": 2.87,
   "page": null
  },
  {
   "rank": 16,
   "holding": "Coupang Inc",
   "ticker": "CPNG",
   "weight_pct": 2.538,
   "page": "https://etfiq.com/holdings/cpng/"
  },
  {
   "rank": 17,
   "holding": "IDEXX Laboratories Inc",
   "ticker": "IDXX",
   "weight_pct": 2.43,
   "page": "https://etfiq.com/holdings/idxx/"
  },
  {
   "rank": 18,
   "holding": "Republic Services Inc",
   "ticker": "RSG",
   "weight_pct": 2.384,
   "page": "https://etfiq.com/holdings/rsg/"
  },
  {
   "rank": 19,
   "holding": "Cameco Corp",
   "ticker": "CCJ",
   "weight_pct": 2.085,
   "page": "https://etfiq.com/holdings/cco/"
  },
  {
   "rank": 20,
   "holding": "Sprouts Farmers Market Inc",
   "ticker": "SFM",
   "weight_pct": 1.951,
   "page": "https://etfiq.com/holdings/sfm/"
  },
  {
   "rank": 21,
   "holding": "Carvana Co",
   "ticker": "CVNA",
   "weight_pct": 1.95,
   "page": "https://etfiq.com/holdings/cvna/"
  },
  {
   "rank": 22,
   "holding": "Natera Inc",
   "ticker": "NTRA",
   "weight_pct": 1.719,
   "page": "https://etfiq.com/holdings/ntra/"
  },
  {
   "rank": 23,
   "holding": "Insmed Inc",
   "ticker": "INSM",
   "weight_pct": 1.701,
   "page": "https://etfiq.com/holdings/insm/"
  },
  {
   "rank": 24,
   "holding": "NU Holdings Ltd/Cayman Islands",
   "ticker": "NU",
   "weight_pct": 1.588,
   "page": "https://etfiq.com/holdings/nu/"
  },
  {
   "rank": 25,
   "holding": "Toast Inc",
   "ticker": "TOST",
   "weight_pct": 1.397,
   "page": "https://etfiq.com/holdings/tost/"
  }
 ],
 "top_positions_shown": 25,
 "cash": [
  {
   "holding": "Cash and other net assets",
   "weight_pct": 2.893
  }
 ],
 "weights": "share of net assets, as the source states them",
 "csv": "https://etfiq.com/funds/mid/holdings/mid-holdings.csv",
 "json_book": "https://etfiq.com/data/books/mid.json",
 "markdown": "https://etfiq.com/funds/mid/holdings/index.md",
 "publisher": {
  "@id": "https://etfiq.com/#org",
  "name": "ETFIQ",
  "url": "https://etfiq.com"
 },
 "license": "https://etfiq.com/license/",
 "license_text": "Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.",
 "citation": "ETFIQ, Holdings of MID, data as of May 31, 2026. https://etfiq.com/funds/mid/holdings/"
}