astraetech/ark-invest-api

API for tracking holdings and trades of ARK Invest funds

ARK Invest API

API for tracking holdings and trades of ARK Invest funds.

Endpoint Status: https://status.arkfunds.io

Documentation

Swagger UI: https://arkfunds.io/api
ReDoc: https://arkfunds.io/api/docs

Endpoints

• GET ETF Profile
• GET ETF Holdings
• GET ETF Trades
• GET ETF News
• GET Stock Profile
• GET Stock Trades
• GET Stock Fund Ownership

ETF Profile

GET /v1/etf/profile

Returns ARK ETF profile information

Query Parameters

Parameter	Required	Valid values	Default value
symbol	NO	ARKK, ARKQ, ARKW, ARKG, ARKF, ARKX, PRNT, IZRL

Example

Request

GET https://arkfunds.io/api/v1/etf/profile?symbol=ARKK

Response

{
    "profile": [{
        "symbol": "ARKK",
        "name": "ARK Innovation ETF",
        "description": "ARKK is an actively managed ETF that seeks long-term growth of capital by investing under normal circumstances primarily (at least 65% of its assets) in domestic and foreign equity securities of companies that are relevant to the Fund’s investment theme of disruptive innovation.",
        "fund_type": "Active Equity ETF",
        "inception_date": "2014-10-31",
        "cusip": "00214Q104",
        "isin": "US00214Q1040",
        "website": "https://ark-funds.com/arkk"
    }]
}

ETF Holdings

GET /v1/etf/holdings

Returns ARK ETF holdings

Query Parameters

Parameter	Required	Valid values	Default value
symbol	YES	ARKK, ARKQ, ARKW, ARKG, ARKF, ARKX, PRNT, IZRL
date	NO	ISO 8601 Calendar date

Example

Request

GET https://arkfunds.io/api/v1/etf/holdings?symbol=ARKK

Response

{
    "symbol": "ARKK",
    "date": "2021-01-15",
    "holdings": [{
        "company": "TESLA INC",
        "ticker": "TSLA",
        "cusip": "88160R101",
        "shares": 2626774,
        "market_value": 2170135607.84,
        "weight": 9.65,
        "weight_rank": 1
    }, {
        "company": "ROKU INC",
        "ticker": "ROKU",
        "cusip": "77543R102",
        "shares": 4110728,
        "market_value": 1678410242.4,
        "weight": 7.47,
        "weight_rank": 2
    }, {
        "company": "CRISPR THERAPEUTICS AG",
        "ticker": "CRSP",
        "cusip": "H17182108",
        "shares": 6246733,
        "market_value": 1248596992.04,
        "weight": 5.55,
        "weight_rank": 3
    }, {
        "company": "SQUARE INC - A",
        "ticker": "SQ",
        "cusip": "852234103",
        "shares": 4776169,
        "market_value": 1087772489.75,
        "weight": 4.84,
        "weight_rank": 4
    }, {
        "company": "TELADOC HEALTH INC",
        "ticker": "TDOC",
        "cusip": "87918A105",
        "shares": 4325169,
        "market_value": 974244317.25,
        "weight": 4.33,
        "weight_rank": 5
    }]
}

ETF Trades

GET /v1/etf/trades

Returns ARK ETF intraday trades

Query Parameters

Parameter	Required	Valid values	Default value
symbol	YES	ARKK, ARKQ, ARKW, ARKG, ARKF, ARKX
period	NO	1d, 7d, 1m, 3m, 1y, ytd	1d

Example

Request

GET https://arkfunds.io/api/v1/etf/trades?symbol=ARKK

Response

{
    "symbol": "ARKK",
    "date_from": "2021-01-15",
    "date_to": "2021-01-15",
    "trades": [{
        "fund": "ARKK",
        "date": "2021-01-15",
        "direction": "Buy",
        "ticker": "REGN",
        "cusip": "75886F107",
        "company": "REGENERON PHARMACEUTICALS INC",
        "shares": 81933,
        "etf_percent": 0.191
    }, {
        "fund": "ARKK",
        "date": "2021-01-15",
        "direction": "Buy",
        "ticker": "SPOT",
        "cusip": "L8681T102",
        "company": "SPOTIFY TECHNOLOGY SA",
        "shares": 88270,
        "etf_percent": 0.1269
    }, {
        "fund": "ARKK",
        "date": "2021-01-15",
        "direction": "Buy",
        "ticker": "TXG",
        "cusip": "88025U109",
        "company": "10X GENOMICS INC",
        "shares": 53881,
        "etf_percent": 0.0434
    }, {
        "fund": "ARKK",
        "date": "2021-01-15",
        "direction": "Buy",
        "ticker": "SNPS",
        "cusip": "871607107",
        "company": "SYNOPSYS INC",
        "shares": 26425,
        "etf_percent": 0.0309
    }]
}

ETF News

GET /v1/etf/news

Returns ARK ETF news

Query Parameters

Parameter	Required	Valid values	Default value
symbol	NO	ARKK, ARKQ, ARKW, ARKG, ARKF, ARKX, PRNT, IZRL
date	NO	ISO 8601 Calendar date
date_to	NO	ISO 8601 Calendar date

Example

Request

GET https://arkfunds.io/api/v1/etf/news?symbol=ARKG&date_from=2021-03-31&date_to=2021-04-02

Response

{
  "symbol": "ARKG",
  "date_from": "2021-03-31",
  "date_to": "2021-04-02",
  "news": [
    {
      "id": 42,
      "datetime": "2021-04-02T07:27:32+00:00",
      "related": "ARKG",
      "source": "seekingalpha.com",
      "headline": "ARK Genomic Revolution Multi-Sector ETF: Poised For Continued Underperformance",
      "summary": "I am neutral on the ETF. For short-term gains, investors may wish to look elsewhere.",
      "url": "https://seekingalpha.com/article/4417325-ark-genomic-revolution-multi-sector-etf-underperformance",
      "image": "https://static.seekingalpha.com/cdn/s3/uploads/getty_images/842211270/medium_image_842211270.jpg"
    },
    {
      "id": 568,
      "datetime": "2021-03-31T22:53:00+00:00",
      "related": "ARKG",
      "source": "Benzinga",
      "headline": "Pinduoduo, Shopify PayPal, LendingTree, JD.com — What Cathy Wood's Ark Bought And Sold On Wednesday",
      "summary": "Cathie Wood’s Ark Investment Management sends out an email every night listing the stocks that were bought or sold by the firm's ETFs that day. In recent months, the...",
      "url": "https://www.benzinga.com/news/21/03/20438462/pinduoduo-shopify-paypal-lendingtree-jd-com-what-cathy-woods-ark-bought-and-sold-on-wednesday",
      "image": "https://cdn.benzinga.com/files/imagecache/og_image_social_share_1200x630/images/story/2012/micheile-henderson-lz_4npfkcv8-unsplash_7.jpg"
    },
    {
      "id": 569,
      "datetime": "2021-03-31T12:05:09+00:00",
      "related": "ARKG",
      "source": "DowJones",
      "headline": "UPDATE: Fauci says vaccines are offering protection against new, more infectious COVID variants",
      "summary": "Dr. Anthony Fauci, head of the National Institute of Allergy and Infectious Diseases and President Joe Biden's chief medical officer, said Wednesday the...",
      "url": "https://www.marketwatch.com/story/white-house-coronavirus-team-says-90-of-american-adults-will-be-eligible-for-vaccine-by-april-19-2021-03-31",
      "image": "https://s.wsj.net/public/resources/MWimages/MW-GP644_MicroS_ZG_20180906154215.jpg"
    },
    {
      "id": 570,
      "datetime": "2021-03-31T11:01:00+00:00",
      "related": "ARKG",
      "source": "DowJones",
      "headline": "Russia registers ‘world’s first’ COVID-19 vaccine for dogs, cats and other animals",
      "summary": "Russia has registered the world’s first COVID-19 vaccine for animals, the country’s agricultural regulator said on Wednesday.",
      "url": "https://www.marketwatch.com/story/russia-registers-worlds-first-covid-19-vaccine-for-animals-11617202893",
      "image": "https://images.mktw.net/im-318622/social"
    }
  ]
}

Stock Profile

GET /v1/stock/profile

Returns Stock profile information

Query Parameters

Parameter	Required	Valid values	Default value
symbol	YES

Example

Request

GET https://arkfunds.io/api/v1/stock/profile?symbol=TSLA

Response

{
  "ticker": "TSLA",
  "name": "Tesla, Inc.",
  "country": "United States",
  "industry": "Auto Manufacturers",
  "sector": "Consumer Cyclical",
  "fullTimeEmployees": 48016,
  "summary": "Tesla, Inc. designs, develops, manufactures, leases, and sells electric vehicles, and energy generation and storage systems in the United States, China, Netherlands, Norway, and internationally. The company operates in two segments, Automotive; and Energy Generation and Storage. The Automotive segment offers sedans and sport utility vehicles. It also provides electric powertrain components and systems; and services for electric vehicles through its company-owned service locations, and Tesla mobile service technicians, as well as sells used vehicles. This segment markets and sells its products through a network of company-owned stores and galleries, as well as through its own Website. The Energy Generation and Storage segment offers energy storage products, such as rechargeable lithium-ion battery systems for use in homes, industrial, commercial facilities, and utility grids; and designs, manufactures, installs, maintains, leases, and sells solar energy generation and energy storage products to residential and commercial customers. It also provides vehicle insurance services, as well as renewable energy. The company was formerly known as Tesla Motors, Inc. and changed its name to Tesla, Inc. in February 2017. Tesla, Inc. was founded in 2003 and is headquartered in Palo Alto, California.",
  "website": "http://www.tesla.com",
  "market": "us_market",
  "exchange": "NasdaqGS",
  "currency": "USD",
  "marketCap": 783117844480,
  "sharesOutstanding": 947900992
}

Stock Trades

GET /v1/stock/trades

Returns Stock Trades

Query Parameters

Parameter	Required	Valid values	Default value
symbol	YES
direction	NO	buy, sell
date_from	NO	ISO 8601 Calendar date
date_to	NO	ISO 8601 Calendar date

Example

Request

GET https://arkfunds.io/api/v1/stock/trades?symbol=TSLA

Response

{
    "symbol": "TSLA",
    "date_from": "2020-09-18",
    "date_to": "2021-01-12",
    "trades": [{
        "date": "2021-01-12",
        "fund": "ARKK",
        "direction": "Sell",
        "ticker": "TSLA",
        "company": "TESLA INC",
        "cusip": "88160R101",
        "shares": 126276,
        "etf_percent": 0.5055
    }, {
        "date": "2021-01-12",
        "fund": "ARKQ",
        "direction": "Sell",
        "ticker": "TSLA",
        "company": "TESLA INC",
        "cusip": "88160R101",
        "shares": 13179,
        "etf_percent": 0.4991
    }, {
        "date": "2021-01-12",
        "fund": "ARKW",
        "direction": "Sell",
        "ticker": "TSLA",
        "company": "TESLA INC",
        "cusip": "88160R101",
        "shares": 16898,
        "etf_percent": 0.6161
    }, {
        "date": "2021-01-08",
        "fund": "ARKK",
        "direction": "Sell",
        "ticker": "TSLA",
        "company": "TESLA INC",
        "cusip": "88160R101",
        "shares": 59500,
        "etf_percent": 0.2506
    }]
}

Stock Fund Ownership

GET /v1/stock/fund-ownership

Returns Stock Fund Ownership

Query Parameters

Parameter	Required	Valid values	Default value
symbol	YES

Example

Request

GET https://arkfunds.io/api/v1/stock/fund-ownership?symbol=TSLA

Response

{
    "symbol": "TSLA",
    "date": "2021-01-15",
    "ownership": [{
        "fund": "ARKK",
        "weight": 9.65,
        "weight_rank": 1,
        "shares": 2626774,
        "market_value": 2170135607.84
    }, {
        "fund": "ARKQ",
        "weight": 11.37,
        "weight_rank": 1,
        "shares": 335957,
        "market_value": 277554235.12
    }, {
        "fund": "ARKW",
        "weight": 9.87,
        "weight_rank": 1,
        "shares": 734796,
        "market_value": 607059063.36
    }],
    "totals": {
        "funds": 3,
        "shares": 3697527,
        "market_value": 3054748906.32
    }
}