Do FOWF and IDEF hold the same stocks?

By their latest filings, 38% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, FOWF or IDEF?

FOWF has 75% of its weight in S&P 500 names and IDEF has 40%, so IDEF differs more from the index.

Which is cheaper, FOWF or IDEF?

FOWF charges 0.49% a year and IDEF charges 0.55%, so FOWF is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

FOWF vs IDEF: Holdings Overlap & Returns

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Over the year to Nov 4, 2026, FOWF returned +12.2% to IDEF's −5.8%; 38% of their weight is in the same names.

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Net assets: $15m on Nov 3, 2026 for Pacer Solactive Whitney Future of Warfare ETF, and $3.6bn on Nov 4, 2026 for iShares Defense Industrials and Tech Active ETF.

FOWF on its own →IDEF on its own →

At a glance

74.8%

FOWF in the S&P 500

40.1%

IDEF in the S&P 500

+12.2%

FOWF total return, 1 year

−5.8%

IDEF total return, 1 year

FOWF · 1 year to Nov 4, 2026 25% of its weight is outside the S&P 500

75% of FOWF's weight is in S&P 500 companies and 25% is outside the index. Holdings as of Jul 31, 2026.

IDEF · 1 year to Nov 4, 2026 60% of its weight is outside the S&P 500

40% of IDEF's weight is in S&P 500 companies and 60% is outside the index. Holdings as of Nov 3, 2026.

Pair scorecard

FOWF costs 0.06 points a year less; their one-year returns differ by 18.0 points; IDEF is far larger, $3.7bn against $15m.

Points (pts) are percentage points.

FOWF vs IDEF: Holdings Overlap & Returns
Measure	FOWF	IDEF
Return
Measure	FOWF	IDEF
Total return, 1 year	+12.2%	−5.8%
Drawdown
Measure	FOWF	IDEF
Below its all-time high	7.6%, high on Aug 14, 2026	19.2%, high on Mar 2, 2026
Against its benchmark
Measure	FOWF	IDEF
What it tracks	Defense	Defense
Its benchmark, total return, 1 year	+15.2%
Against its benchmark, 1 year	behind by 3.0 pts
Cost and size
Measure	FOWF	IDEF
Expense ratio	0.49%	0.55%
Net assets, as of Nov 3, 2026	$15m	$3.7bn
Holdings
Measure	FOWF	IDEF
Holdings in common	38%

Method

What they share

38%

By the books each fund has filed, FOWF and IDEF hold 38% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Nov 3, 2026.

50%

0 half 100%

half

38% in common

Positions both hold · largest shared weight first FOWF IDEF

RTX Corp 8.65% 7.41%

Lockheed Martin Corp 7.96% 5.42%

General Dynamics Corp 7.88% 4.39%

Northrop Grumman Corp 5.08% 3.93%

Boeing Co 6.68% 1.30%

Palo Alto Networks Inc 1.14% 1.74%

Palantir Technologies Inc 1.11% 2.67%

Crowdstrike Holdings Inc 1.05% 1.62%

BAE Systems PLC 3.65% 0.93%

Rolls-Royce Holdings PLC 0.76% 2.27%

L3Harris Technologies Inc 2.00% 0.75%

Kongsberg Gruppen ASA 0.73% 1.01%

Only in one fund ↓

Only in FOWF

Dell Technologies Inc 1.96%

Snowflake Inc 1.32%

Datadog Inc 1.25%

Honeywell International Inc 1.11%

Cloudflare Inc 0.84%

Cisco Systems Inc 0.78%

Constellation Software Inc/Can 0.73%

Rockwell Automation Inc 0.72%

Only in IDEF

SPACE EXPLORATION TECHNOLOGIES COR 2.77%

SAAB CLASS B 1.95%

MITSUBISHI HEAVY INDUSTRIES 1.51%

HANWHA AEROSPACE LTD 1.48%

MITSUBISHI ELECTRIC 1.45%

ELBIT SYSTEMS 1.15%

AMPHENOL CORP CLASS A 1.14%

HANWHA SYSTEMS LTD 1.06%

Check overlap with more funds →

Window by window

Window by window: FOWF vs IDEF: Holdings Overlap & Returns
	Total return		vs its benchmark
Window	FOWF	IDEF	FOWF	IDEF
3 months	−5.9%	−14.0%	−5.3 pts vs URTH	not measured
6 months	+3.4%	−12.4%	−0.9 pts vs URTH	not measured
1 year	+12.2%	−5.8%	−3.0 pts vs URTH	not measured
Since launchNot the same days: FOWF Dec 2024 · IDEF May 2025	+44.8%	+18.8%	+8.0 pts vs URTH	not measured

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Side by side

FOWF Pacer Solactive Whitney Future of Warfare ETF · Holds 91 stocks in defense, 75% of its weight in S&P 500 companies IDEF iShares Defense Industrials and Tech Active ETF · Holds 162 stocks in defense, 40% of its weight in S&P 500 companies

Issuer Pacer iShares

Theme Defense Defense

In the S&P 500 74.8% 40.1%

Active share vs the S&P 500 88.4% 92.6%

In the Nasdaq-100 14.3% 11.2%

Holdings 91 162

Top ten, share of the fund 46.9% 36.3%

Expense ratio 0.49% 0.55%

Fee for the differing part 0.55% 0.59%

Total return, 1 year +12.2% −5.8%

vs its benchmark −3.0 pts vs URTH not measured

Below its high −7.6% −19.2%

Net assets, FOWF as of Nov 3, 2026 and IDEF as of Nov 4, 2026 $15m $3.6bn

As of Nov 4, 2026. Source: ETFIQ.

38% of the two portfolios are the same securities at the same weight.

Alert

About each fund

FOWF

By weight, 75% of FOWF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 88%. The top ten holdings are 47% of the fund across 91 positions, as filed for Jul 31, 2026. Over the year to Nov 4, 2026 the fund returned +12.2% with distributions reinvested against +15.2% for its benchmark, the MSCI World Index, so a holder was behind by 3.0 pts. It sits 7.6% below its all-time high of Aug 14, 2026.

IDEF

By weight, 40% of IDEF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 93%. The top ten holdings are 36% of the fund across 162 positions, as published by its issuer for Nov 3, 2026. Over the year to Nov 4, 2026 the fund returned −5.8% with distributions reinvested. It sits 19.2% below its all-time high of Mar 2, 2026.

Questions people ask

Do FOWF and IDEF hold the same stocks?: By their latest filings, 38% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, FOWF or IDEF?: FOWF has 75% of its weight in S&P 500 names and IDEF has 40%, so IDEF differs more from the index.
Which is cheaper, FOWF or IDEF?: FOWF charges 0.49% a year and IDEF charges 0.55%, so FOWF is cheaper. Fees come from each fund's prospectus.

Other comparisons

FOWF vs SHLD FOWF vs PPA FOWF vs ITA FOWF vs GCAD IDEF vs GCAD IDEF vs ITA IDEF vs WDAF IDEF vs TSSD

Where to next

All thematic ETFs ranked by the S&P 500 Difference Score →How the scores are computed →FOWF on its own →IDEF on its own →FOWF dividend history →FOWF holdings →IDEF dividend history →IDEF holdings →Method →Standards and sources →

Sources and dates

FOWF filings on SEC EDGAR ↗

FOWF prospectus with the expense ratio (SEC) ↗

Pacer website ↗

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Every number is an ETFIQ calculation with distributions reinvested.

Cite this pageCitation, APA and Markdown

ETFIQ, FOWF against IDEF, data as of Nov 4, 2026. https://etfiq.com/compare/themes/fowf-vs-idef

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.