Do IDEF and TSSD hold the same stocks?

By their latest filings, 37% 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, IDEF or TSSD?

IDEF has 40% of its weight in S&P 500 names and TSSD has 71%, so TSSD differs more from the index.

Which is cheaper, IDEF or TSSD?

IDEF charges 0.55% a year and TSSD charges 0.65%, so IDEF is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

IDEF vs TSSD: Holdings Overlap & Returns

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IDEF and TSSD hold 37% of their weight in the same names.

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Net assets: $3.6bn on Nov 4, 2026 for iShares Defense Industrials and Tech Active ETF, and $7.0m on Jun 30, 2026 for Truth Social American Security & Defense ETF.

IDEF on its own →TSSD on its own →

At a glance

40.1%

IDEF in the S&P 500

71.4%

TSSD in the S&P 500

−5.8%

IDEF total return, 1 year

+17.1%

TSSD total return, since launch, Dec 30, 2025

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.

TSSD · 6 months to Nov 4, 2026 29% of its weight is outside the S&P 500

71% of TSSD's weight is in S&P 500 companies and 29% is outside the index. Holdings as of Jun 30, 2026.

Pair scorecard

IDEF costs 0.10 points a year less.

IDEF vs TSSD: Holdings Overlap & Returns
Measure	IDEF	TSSD
Return
Measure	IDEF	TSSD
Total return, 1 year	−5.8%	not published
Drawdown
Measure	IDEF	TSSD
Below its all-time high	19.2%, high on Mar 2, 2026	9.4%, high on Aug 13, 2026
Benchmark
Measure	IDEF	TSSD
What it tracks	Defense	Defense
Cost and size
Measure	IDEF	TSSD
Expense ratio	0.55%	0.65%
Net assets, IDEF as of Nov 4, 2026 and TSSD as of Jun 30, 2026	$3.6bn	$7.0m
Holdings
Measure	IDEF	TSSD
Holdings in common	37%

Method

What they share

37%

By the books each fund has filed, IDEF and TSSD hold 37% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Nov 3, 2026.

50%

0 half 100%

half

37% in common

Positions both hold · largest shared weight first IDEF TSSD

RTX 7.41% 7.08%

LOCKHEED MARTIN 5.42% 5.50%

GENERAL DYNAMICS CORP 4.39% 4.91%

NORTHROP GRUMMAN CORP 3.93% 4.00%

PALANTIR TECHNOLOGIES CLASS A 2.67% 6.78%

PALO ALTO NETWORKS 1.74% 9.70%

CROWDSTRIKE HOLDINGS CLASS A 1.62% 7.24%

FORTINET 0.80% 5.75%

L3HARRIS TECHNOLOGIES 0.75% 4.08%

ZSCALER 0.61% 1.71%

LEIDOS HOLDINGS 0.57% 1.29%

MERCURY SYSTEMS INC 0.53% 0.59%

Only in one fund ↓

Only in IDEF

THALES SA 3.76%

SPACE EXPLORATION TECHNOLOGIES COR 2.77%

ROLLS-ROYCE HOLDINGS PLC 2.27%

SAAB CLASS B 1.95%

RHEINMETALL AG 1.67%

LEONARDO FINMECCANICA SPA 1.63%

AIRBUS GROUP 1.61%

MITSUBISHI HEAVY INDUSTRIES 1.51%

Only in TSSD

Cloudflare Inc 4.75%

Axon Enterprise Inc 4.57%

Okta Inc 2.12%

VeriSign Inc 2.06%

F5 Inc 1.79%

Akamai Technologies Inc 1.72%

Gen Digital Inc 1.20%

CACI International Inc 0.96%

Check overlap with more funds →

Window by window

Window by window: IDEF vs TSSD: Holdings Overlap & Returns
	Total return
Window	IDEF	TSSD
3 months	−14.0%	−4.9%
6 months	−12.4%	+19.4%
1 year	−5.8%	–
Since launchNot the same days: IDEF May 2025 · TSSD Dec 2025	+18.8%	+17.1%

– means no data for this window. Open this comparison in the app →

Side by side

IDEF iShares Defense Industrials and Tech Active ETF · Holds 162 stocks in defense, 40% of its weight in S&P 500 companies TSSD Truth Social American Security & Defense ETF · Holds 62 stocks in defense, 71% of its weight in S&P 500 companies

Issuer iShares Yorkville

Theme Defense Defense

In the S&P 500 40.1% 71.4%

Active share vs the S&P 500 92.6% 97.6%

In the Nasdaq-100 11.2% 34.0%

Holdings 162 62

Top ten, share of the fund 36.3% 60.4%

Expense ratio 0.55% 0.65%

Fee for the differing part 0.59% 0.67%

Total return, 1 year −5.8% +17.1% (since launch, Dec 30, 2025)

vs its benchmark not measured not measured

Below its high −19.2% −9.4%

Net assets, IDEF as of Nov 4, 2026 and TSSD as of Jun 30, 2026 $3.6bn $7.0m

As of Nov 4, 2026. Source: ETFIQ.

37% of the two portfolios are the same securities at the same weight.

Alert

About each fund

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.

TSSD

By weight, 71% of TSSD's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 60% of the fund across 62 positions, as filed for Jun 30, 2026. Since it first traded on Dec 30, 2025 the fund returned +17.1% with distributions reinvested. It sits 9.4% below its all-time high of Aug 13, 2026.

Questions people ask

Do IDEF and TSSD hold the same stocks?: By their latest filings, 37% 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, IDEF or TSSD?: IDEF has 40% of its weight in S&P 500 names and TSSD has 71%, so TSSD differs more from the index.
Which is cheaper, IDEF or TSSD?: IDEF charges 0.55% a year and TSSD charges 0.65%, so IDEF is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDEF vs XDEF IDEF vs AMMO IDEF vs WR IDEF vs WDGF TSSD vs XAR TSSD vs PPA TSSD vs ITA TSSD vs MISL

Where to next

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

Sources and dates

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

TSSD filings on SEC EDGAR ↗

TSSD prospectus with the expense ratio (SEC) ↗

Yorkville website ↗

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

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