QQQM and SPY overlap by 54.4%: that much of every dollar in either fund is invested exactly as the other fund invests it. They have 87 companies in common, the heaviest first below.
Also searched as SPY vs QQQM.
The two filings describe different dates, 31 August 2026 for QQQM and 30 June 2026 for SPY, so part of any difference is a month of drift rather than a difference in what the funds hold.
The heaviest companies both funds hold. The shared figure is the smaller of the two weights, which is the part of each dollar that lands in the same place either way.
#
Company
QQQM
SPY
1
NVIDIA Corp.
8.51%
7.52%
2
Apple Inc.
7.41%
6.59%
3
Microsoft Corp.
6.00%
4.30%
4
Amazon.com, Inc.
4.45%
3.62%
5
Alphabet Inc.US02079K3059
3.15%
3.25%
6
Broadcom Inc.
2.80%
2.77%
7
Alphabet Inc.US02079K1079
2.92%
2.59%
8
Micron Technology, Inc.
4.76%
2.02%
9
Meta Platforms, Inc.
2.70%
1.92%
10
Tesla, Inc.
2.93%
1.84%
11
Advanced Micro Devices, Inc.
3.38%
1.47%
12
Intel Corp.
1.98%
1.02%
13
Applied Materials, Inc.
1.60%
0.89%
14
Lam Research Corp.
1.66%
0.84%
15
Walmart Inc.
2.25%
0.77%
16
Cisco Systems, Inc.
1.92%
0.72%
17
Costco Wholesale Corp.
1.84%
0.64%
18
KLA Corp.
1.01%
0.61%
19
Sandisk Corp.
1.02%
0.52%
20
Netflix, Inc.
1.50%
0.47%
21
Palo Alto Networks, Inc.
1.37%
0.43%
22
Texas Instruments Inc.
1.04%
0.42%
23
Palantir Technologies Inc.
1.88%
0.42%
24
Marvell Technology, Inc.
0.81%
0.40%
25
Linde PLC
1.00%
0.37%
Where they differ
QQQM reports 102 holdings and SPY reports 504. 87 of them appear in both, which leaves 15 only in QQQM and 417 only in SPY.
Both sets of holdings come from the funds' own Form N-PORT filings with the SEC, covering 99.84% of QQQM and 99.98% of SPY. Overlap is the sum of the smaller weight over every company both funds hold. QQQM's cost is as stated in its prospectus. SPY's cost and both yields come from our market data provider.
Now see it across a whole portfolio
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SEC 13F filings are delayed manager-level disclosures and do not show the full portfolio, including cash,
shorts, private assets, many derivatives, fees, leverage, or trades made between reporting dates.