RSP vs IVV overlap
RSP and IVV overlap 43.9% by weight, across 503 shared holdings.
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Top shared holdings
| Holding | RSP | IVV | Overlap |
|---|---|---|---|
| PALO ALTO NetworPANW | 0.24% | 0.43% | 0.24% |
| RTX Corp.RTX | 0.23% | 0.40% | 0.23% |
| Thermo FisherTMO | 0.23% | 0.29% | 0.23% |
| Arista NetworksANET | 0.23% | 0.27% | 0.23% |
| Abbott LabsABT | 0.23% | 0.24% | 0.23% |
| Crowdstrike HO-aCRWD | 0.23% | 0.30% | 0.23% |
| Schwab (Charles)SCHW | 0.23% | 0.23% | 0.23% |
| Mastercard Inc.-aMA | 0.23% | 0.64% | 0.23% |
| Microsoft Corp.MSFT | 0.23% | 4.29% | 0.23% |
| GE Vernova Inc.GEV | 0.22% | 0.49% | 0.22% |
| Amazon.COM Inc.AMZN | 0.22% | 3.61% | 0.22% |
| Amgen Inc.AMGN | 0.22% | 0.30% | 0.22% |
| JPMorgan ChaseJPM | 0.22% | 1.36% | 0.22% |
| Bank of AmericaBAC | 0.22% | 0.58% | 0.22% |
| VISA Inc.-Class aV | 0.22% | 0.88% | 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: RSP, SEC Form N-PORT, July 31, 2026; IVV, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | RSP | IVV |
|---|---|---|
| BlackRock, Inc. | $39.7M | $65.8B |
| Northwestern Mutual Wealth Management Co | $6.0B | $26.2B |
| Envestnet Asset Management Inc. | $416.7M | $31.0B |
| Marshall WACE, LLP | $149.7M | $29.8B |
| Morgan Stanley | $6.9B | $18.5B |
| Bank of America Corp. | $5.2B | $16.6B |
| Creative Planning | $61.5M | $18.4B |
| Wells Fargo & Company | $1.4B | $15.3B |
| JPMorgan Chase & Co | $414.7M | $15.3B |
| Jones Financial Companies LLLP | $108.0M | $14.2B |
| Citadel Advisors LLC | $1.9M | $13.2B |
| Royal Bank of Canada | $827.2M | $11.6B |
| LPL Financial LLC | $1.4B | $11.1B |
| PNC Financial Services Group, Inc. | $113.9M | $11.5B |
| Millennium Management LLC | $14.7M | $10.9B |
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: RSP institutional holders, IVV institutional holders.
Frequently asked questions
How much do RSP and IVV overlap?
43.9% by weight, with 503 holdings in common, using holdings for RSP as of July 31, 2026 and IVV as of June 30, 2026. The largest shared position is PANW.
Do institutions hold both RSP and IVV?
1,891 Form 13F filers report positions in both, out of 4,526 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%.