257 essays 1,087 funds measured independent · not paid by any fund or issuer we cover

Fund · ARK Space & Defense Innovation ETF · measured from SEC filings

ARKX holdings

ARKX reports 36 holdings and behaves like 24.1 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-07-31. The fact sheet publishes the first number; this page computes the second, and traces it across 21 quarters of filings.

Measured concentration

as of 2026-07-31
36 Positions reported
24.1 Effective holdings
1.5× Concentration multiple
54.25% Top ten weight

Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 100% at a quoted market price (level 1), 8 issuer countries.

What stands out

as of 2026-07-31

ARKX's largest investment is L3harris Technologies Inc at 7.83% of net assets. Rocket LAB Corp and Teradyne Inc follow; the three together are 22.25%. Ten companies are 54.25% of the fund; the other 26 share the rest. Among the 721 equity funds measured here, ARKX behaves like 24.1 holdings against a median of 42.4 — 1.8 times more concentrated than the median. Across 21 quarterly filings ARKX has held roughly steady since 2021-04-30 (25.6 then, 22.9 now). Between the 2026-01-30 and 2026-04-30 filings 3 positions were added and 3 dropped; 11.2% of the weight moved. the United States is the largest country at 86.77% of the portfolio, across 8 countries in the filing.

Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable equity funds on this site. Nothing here is a view on the fund.

Every filing since 2021

21

Between 2021-04-30 and 2026-04-30, ARKX went from behaving like 25.6 equally weighted positions to 22.9 — 10% fewer, while its top ten went from 51.95% to 56.69% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-04-30 34 22.9 56.69% 7.83%
2026-01-30 34 19.8 62.44% 8.89%
2025-10-31 34 19 64.6% 9.18%
2025-07-31 32 19.3 63.82% 10.22%
2025-04-30 33 19.8 63.18% 9.4%
2025-01-31 33 19.2 63.69% 9.79%
2024-10-31 33 19.9 61.81% 9.4%
2024-07-31 35 20.5 60.31% 9.57%
Earlier filings (13 more, back to 2021-04-30)
PeriodHoldingsEffectiveTop 10Largest
2024-04-30 35 20.5 59.82% 9.33%
2024-01-31 36 21.4 59.54% 8.66%
2023-10-31 36 21.4 58.55% 8.78%
2023-07-31 36 24 55% 7.95%
2023-04-28 36 21.8 58.2% 8.99%
2023-01-31 37 22.3 57.28% 9.38%
2022-10-31 36 21.5 57.55% 10.13%
2022-07-29 35 21.1 57.43% 10.77%
2022-04-29 35 22.1 57.96% 9.57%
2022-01-31 36 21.9 57.15% 9.73%
2021-10-29 37 23.5 54.19% 9.55%
2021-07-30 38 23.4 54.54% 10.07%
2021-04-30 39 25.6 51.95% 9.1%

One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.

Largest positions, as filed

as of 2026-04-30

The 15 largest of 36 positions in ARKX's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: ARKX.csv.gz.

#PositionWeightCumulative
1L3HARRIS TECHNOLOGIES INC7.83%7.8%
2ROCKET LAB CORP7.78%15.6%
3TERADYNE INC6.64%22.2%
4ADVANCED MICRO DEVICES INC6.14%28.4%
5DEERE & COMPANY5.85%34.2%
6KRATOS DEFENSE & SECURITY SOLUTIONS INC5.45%39.7%
7AEROVIRONMENT INC5.01%44.7%
8AMAZON.COM INC4.23%48.9%
9ALPHABET INC4.04%53.0%
10ARCHER AVIATION INC (NEW)3.72%56.7%
11TRIMBLE INC3.69%60.4%
12IRIDIUM COMMUNICATIONS INC3.56%63.9%
13PALANTIR TECHNOLOGIES INC3.08%67.0%
14KOMATSU LTD2.90%69.9%
15JOBY AVIATION INC2.47%72.4%

By country of issuer

as of 2026-04-30

Share of ARKX's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.

CountryShare
United States 88.15%
Japan 2.90%
France 1.91%
Israel 1.79%
Switzerland 1.62%
Taiwan 1.50%
Cayman Islands° 1.35%
Netherlands° 0.79%

Returns the fund reported

2021-03 – 2026-04

Monthly total returns from Item B.5 of ARKX's own filings, 62 months on record. Not computed here and not from a price feed.

77.0%Last twelve months filed
65%Whole series, compounded
24.1%Best month
-14.5%Worst month

Cross-checked against a series computed separately from prices: median difference — percentage points over 0 months, which is roughly the distributions. Every month with the filing it came from: ARKX.json · all funds.

Who borrows ARKX's shares

2026-07-31

The fund lends its holdings, and Item B.4.a of the filing names every firm holding them. At 2026-07-31, $150m was out to 1 borrower.

BorrowerOn loanShare of the loan
MORGAN STANLEY & CO LLC $150m 100.0%

The filing reports no cash collateral position against this loan. Collateral taken in a form the fund does not hold as a position does not appear in N-PORT, so this is silence rather than absence. What the collateral figure can and cannot show. Every quarter ARKX has filed, with each borrower: ARKX.json · all funds.

Since the previous filing

2026-01-30 → 2026-04-30

34 positions became 34: 3 added (3.7% of the fund at the later date), 3 dropped (1.6% at the earlier date). Half the sum of all weight changes, a turnover proxy: 11.2%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of ARKX compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-01-302026-04-30Largest decreases2026-01-302026-04-30
ADVANCED MICRO DEVICES INC4.41%6.14% KRATOS DEFENSE & SECURITY SOLUTIONS INC8.21%5.45%
ALPHABET INC2.70%4.04% AEROVIRONMENT INC6.73%5.01%
AMAZON.COM INC3.16%4.23% TERADYNE INC7.90%6.64%
INTUITIVE MACHINES INC1.86%2.42% ROCKET LAB CORP8.89%7.78%
JD LOGISTICS INC0.81%1.35% L3HARRIS TECHNOLOGIES INC8.77%7.83%
DEERE & COMPANY5.50%5.85% ARCHER AVIATION INC (NEW)4.47%3.72%

New: TESLA INC (2.38%), X-ENERGY INC (1.23%), Goldman Sachs Financial Square Treasury Obligations Fund (0.14%). Gone: Dassault Systemes SE (0.90%), Goldman Sachs Financial Square Treasury Obligations Fund (0.44%), The 3D Printing ETF (0.27%).

Asset categories and pricing

as of 2026-07-31

99.84% equity, 0.16% short-term investment as filed; 100.0% carried at a quoted market price (fair-value level 1). Categories and levels are the filer's; what a low level-1 share does and does not mean is in the measure's page.

Neighbours by effective holdings, equity funds

10

Every measured equity fund lined up by how many holdings it behaves like; these sit either side of ARKX (24.1). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
ARKF ARK Blockchain & Fintech Innovation ETF 41 23.7 54.61% 2026-07-31
VPU Vanguard Utilities Index Fund 68 23.9 52.69% 2026-05-31
EWQ iShares MSCI France ETF 58 23.9 57.1% 2026-05-31
FUTY Fidelity MSCI Utilities Index ETF 63 24 52.33% 2026-07-31
ARKQ ARK Autonomous Technology & Robotics ETF 41 24 53.95% 2026-07-31
VOLT Tema Electrification ETF 33 24.2 50.86% 2026-05-31
USSG Xtrackers MSCI USA Selection Equity ETF 269 24.2 48.26% 2026-05-29
INDY iShares India 50 ETF 51 24.2 52.72% 2026-06-30
QGRW WisdomTree U.S. Quality Growth Fund 101 24.4 54.06% 2026-06-30
IUSG iShares Core S&P U.S. Growth ETF 394 24.5 53.52% 2026-06-30

Essays that examine ARKX

0

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