SPYM vs RSP overlap
SPYM and RSP overlap 44.0% by weight, across 503 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
| Holding | SPYM | RSP | Overlap |
|---|---|---|---|
| PALO ALTO NetworPANW | 0.43% | 0.24% | 0.24% |
| RTX Corp.RTX | 0.40% | 0.23% | 0.23% |
| Thermo FisherTMO | 0.29% | 0.23% | 0.23% |
| Arista NetworksANET | 0.27% | 0.23% | 0.23% |
| Abbott LabsABT | 0.24% | 0.23% | 0.23% |
| Crowdstrike HO-aCRWD | 0.30% | 0.23% | 0.23% |
| Schwab (Charles)SCHW | 0.23% | 0.23% | 0.23% |
| Mastercard Inc.-aMA | 0.64% | 0.23% | 0.23% |
| Microsoft Corp.MSFT | 4.29% | 0.23% | 0.23% |
| GE Vernova Inc.GEV | 0.49% | 0.22% | 0.22% |
| Amazon.COM Inc.AMZN | 3.62% | 0.22% | 0.22% |
| Amgen Inc.AMGN | 0.30% | 0.22% | 0.22% |
| JPMorgan ChaseJPM | 1.36% | 0.22% | 0.22% |
| Bank of AmericaBAC | 0.58% | 0.22% | 0.22% |
| VISA Inc.-Class aV | 0.88% | 0.22% | 0.22% |
Overlap by weight adds up the smaller weight of each holding the funds share, so 100% means identical portfolios. Long securities only: derivatives and cash vehicles are left out. Sources: SPYM, SEC Form N-PORT, June 30, 2026; RSP, SEC Form N-PORT, July 31, 2026.
Largest institutions holding both
| Firm | SPYM | RSP |
|---|---|---|
| Jones Financial Companies LLLP | $14.6B | $108.0M |
| Bank of America Corp. | $4.8B | $5.2B |
| Betterment LLC | $8.6B | $730K |
| Morgan Stanley | $1.7B | $6.9B |
| LPL Financial LLC | $5.6B | $1.4B |
| Northwestern Mutual Wealth Management Co | $515.0M | $6.0B |
| JPMorgan Chase & Co | $5.9B | $414.7M |
| Marshall WACE, LLP | $4.1B | $149.7M |
| Allianz Asset Management GmbH | $4.1B | $710K |
| Goldman Sachs Group Inc. | $1.8B | $1.7B |
| Creative Planning | $3.1B | $61.5M |
| Envestnet Asset Management Inc. | $2.0B | $416.7M |
| Wells Fargo & Company | $796.3M | $1.4B |
| UBS Group AG | $230.4M | $1.7B |
| Royal Bank of Canada | $747.0M | $827.2M |
This compares who owns the funds, not what the funds hold. From SEC Form 13F, for managers with $100M+ in US securities.
Who owns them: SPYM institutional holders, RSP institutional holders.
Frequently asked questions
How much do SPYM and RSP overlap?
44.0% by weight, with 503 holdings in common, using holdings for SPYM as of June 30, 2026 and RSP as of July 31, 2026. The largest shared position is PANW.
Do institutions hold both SPYM and RSP?
1,028 Form 13F filers report positions in both, out of 3,006 that report either one.
How is overlap by weight worked out?
For each holding the two funds share, take the smaller of the two weights, then add those up. Identical portfolios score 100%.