SPDR S&P 500 ETF Trust (SPY), issued by State Street, reported 503 long positions and $651.6B in net assets in its Mar 2026 N-PORT filing. The ten largest positions account for 36.49% of net assets.
Reporting period: 31 Mar 2026 · 8 filings on file · N-PORT is filed monthly and published quarterly, roughly 60 days in arrears
Net assets
$651.6B
As of Mar 2026
Positions
503
Long positions in the filing
Top 10 weight
36.49%
Top 25: 49.51%
Effective holdings
51
Moderately concentrated
Cash
0.29%
Share of net assets
Securities on loan
0%
No positions reported on loan
Sector exposure
12 sectors · Mar 2026
Technology33.31%
Consumer Discretionary11.57%
Financials11.27%
Industrials9.88%
Communication Services9.71%
Health Care8.13%
Consumer Staples3.66%
Energy3.20%
Utilities2.96%
Unclassified2.36%
Materials2.03%
Real Estate1.91%
Ten largest holdings
Top 10 of 503 positions · Mar 2026
Ten largest holdings reported by SPY as of 31 Mar 2026
#
Security
CUSIP
Value
% of net assets
1
NVIDIA CORP
67066G104
$49.4B
7.58%
2
APPLE INC
037833100
$43.4B
6.66%
3
MICROSOFT CORP
594918104
$32.0B
4.91%
4
AMAZON.COM INC
023135106
$23.7B
3.64%
5
ALPHABET INC-CL A
02079K305
$19.5B
2.99%
6
BROADCOM INC
11135F101
$17.1B
2.62%
7
ALPHABET INC-CL C
02079K107
$15.6B
2.40%
8
META PLATFORMS INC-CLASS A
30303M102
$14.6B
2.24%
9
TESLA INC
88160R101
$12.2B
1.87%
10
BERKSHIRE HATHAWAY INC-CL B
084670702
$10.2B
1.57%
Full holdings, position changes between periods, fund overlap, cross-fund crowding and securities lending detail for SPY are in the ETF X-Ray dashboard.