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ETF comparison

ARKK vs PHO

Both Thematic.

ARK Innovation ETF · Invesco Water Resources ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

0 positions appear in both funds. Buying equal dollars of ARKK and PHO would leave roughly 0.0% of each dollar exposed to the same underlying securities.

ARKK unmatched 96.9% Shared 0.0% PHO unmatched 100.1%

Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.

In ARKK only
44 positions
Shared
0 positions
In PHO only
41 positions

Side by side

ARKK

ARK Innovation ETF

ARK · Thematic

56 composite / 100
Expense ratio
0.75%
Net assets
$7.92B
TTM yield
0.00%
Top-10 conc.
47.6%
PHO

Invesco Water Resources ETF

Invesco · Thematic

54 composite / 100
Expense ratio
0.59%
Net assets
$1.89B
TTM yield
0.52%
Top-10 conc.
57.5%

Sub-score comparison

25
Cost
41
78
Tax efficiency
77
96
Liquidity
69
46
Concentration
32
—
Tracking quality
—
ARKK sub-score PHO

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

PHO is 16 bps cheaper than ARKK. On a $100,000 position that's about $160/yr more in fees for ARKK.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with ARKK vs PHO.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in ARKK

44 total
  • TESLA INC 9.74%
  • TEMPUS AI INC 4.89%
  • SPACE EXPLORATION TECHNOLOGIES CORP 4.87%
  • CRISPR THERAPEUTICS AG 4.73%
  • SHOPIFY INC 4.36%
  • COINBASE GLOBAL INC 4.17%
  • ADVANCED MICRO DEVICES INC 3.98%
  • CIRCLE INTERNET GROUP INC 3.90%
  • ROBINHOOD MARKETS INC 3.64%
  • TWIST BIOSCIENCE CORP 3.31%

Only in PHO

41 total
  • Roper Technologies, Inc. 9.12%
  • Ecolab Inc. 8.21%
  • Ferguson Enterprises Inc. 6.89%
  • Waters Corp. 6.74%
  • IDEXX Laboratories, Inc. 6.47%
  • Veralto Corp. 4.34%
  • American Water Works Co., Inc. 4.12%
  • Xylem Inc. 4.04%
  • Agilent Technologies, Inc. 3.87%
  • IDEX Corp. 3.67%

Related comparisons

More comparisons with ARKK

More comparisons with PHO

Percentages are holdings overlap with the named fund.

Open ARKK or PHO at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see /methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.