State Street SPDR Portfolio S&P 500 ETF

SPYM
ETF Ticker

+14.14%

+17.37%

NYSE Arca Exchange

Equity

United States

Large Cap

ETF Strategy Fund Grade AAA

The State Street SPDR Portfolio S&P 500 ETF, SPYM_US, is listed on the NYSE Arca Exchange and tracks the S&P 500 index. The fund provides exposure to United States, Large Cap Equity and has assets under management of $171,300.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Nov 8, 2005. It has a net expense ratio of 2bps. (All data in USD as of Oct 15, 2026 unless stated.)

The underlying S&P 500 Index delivers U.S. large-cap exposure via a float-adjusted, market-cap-weighted selection overseen by an index committee. Eligible companies are U.S.-domiciled with primary listings on eligible U.S. exchanges, at least 10% public float, and sustained liquidity (≥250k shares traded in each of the last six months and a float-adjusted liquidity ratio ≥0.75). New entrants must show financial viability, with positive GAAP earnings over the most recent quarter and across the trailing four quarters. The committee maintains sector balance and investability and may include multiple share classes. Typical S&P U.S. size bands are used for context: large cap generally ≥ ~USD 20.5bn, mid ~USD 7.4–20.5bn, small ~USD 1.1–7.4bn. Constituents are weighted by float-adjusted market cap without explicit issuer caps; shares/float updates occur as needed. Rebalances are quarterly (March, June, September, December), with off-cycle corporate-action changes.

ETF Details

Key Facts

Issuer:
State Street
AUM:
$171,300.0m (as of Aug 31, 2026)
Net Expense Ratio:
2 bps
Inception Date:
Nov 8, 2005
Index:
S&P 500 Index
Dividend Frequency:
Quarterly

Trading

Ticker:
SPYM
Exchange:
NYSE Arca Exchange
ISIN:
US78464A8541
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Equity
Asset Region:
United States
Theme:
Large Cap
Economic Development:
Developed Markets
1 Year Volatility:
12.66%
3 Year Volatility:
14.89%
5 Year Volatility:
16.88%

Performance

TTM Dividend Yield:
1.16% (verify with issuer)
1 Month Performance:
2.16%
3 Month Performance:
2.53%
6 Month Performance:
10.87%
1 Year Performance:
17.37%
3 Year Performance:
85.92%
5 Year Performance:
85.69%
Investment Proposition

State Street SPDR Portfolio S&P 500 ETF (SPLG) presents broad, low-cost access to U.S. large-cap equities across sectors via a disciplined, rules-based approach that emphasizes market-cap leadership and investability. The strategy seeks to capture the long-run equity risk premium through diversified exposure to established franchises, with return drivers anchored in earnings growth, cash-flow durability, and sentiment toward mega- and large-cap leaders. Style characteristics generally tilt toward core-to-growth, with cyclicality linked to business investment, consumer trends, and financial conditions; it can lag during sharp small-cap or deep-value rebounds and may benefit when quality balance sheets and scale efficiencies are rewarded. Use cases include a core equity anchor, a benchmark-aligned sleeve for asset-allocation models, and a factor baseline to pair with satellites (e.g., value, small-cap, or international). Suitable investors include strategic allocators seeking broad market exposure and cost-aware managers building index-adjacent portfolios with active overlays. It can be timely to add after valuation resets or when seeking to neutralize active bets. A key risk to monitor is concentration inherent in cap-weighted leadership, which can amplify factor and sector crowding.

ETF Analytics

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