IVV vs VBK: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
VBKVanguard Small-cap Growth Index Fund
Vanguard · 551 holdings · $24.3B · as of 2026-03-31
How similar are IVV and VBK?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; Vanguard Small-cap Growth Index Fund (VBK, by Vanguard) holds 551. They have 35 holdings in common, and by portfolio weight the two funds are 1.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 35IVV holds 503 · VBK holds 551
- Weight in Shared Holdings
- IVV 1%·VBK 14%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IVV
468 of 503 positions (98.6% of the fund) are not held by VBK. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | VBK |
|---|---|---|
| Information Technology | 32.6% | 21.6% |
| Industrials | 9.0% | 24.6% |
| Health Care | 9.4% | 16.1% |
| Financials | 12.6% | 6.1% |
| Communication Services | 10.5% | 4.2% |
| Other Sectors | 25.7% | 26.2% |
| Unclassified | 0.0% | 0.9% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (0% of IVV, 1% of VBK).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| VBK | +1.8% | +19.6% | +29.4% | +16.6% | +5.3% | +11.4% | 0.42% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IVV vs VBK →
Shared Holdings(35)
The top 10 shared positions account for 55% of the overlap, led by CIEN, LITE and FIX.
 CIENCiena Corporation COM NEW | 0.10% | 0.92% | 0.10% |
|---|---|---|---|
 LITELumentum Holdings Inc. COM | 0.09% | 0.84% | 0.09% |
 FIXComfort Systems USA Inc. COM | 0.09% | 0.81% | 0.09% |
 COHRCoherent Corp COM | 0.08% | 0.74% | 0.08% |
 EQTEQT Corporation COM | 0.07% | 0.66% | 0.07% |
 EMEEmcor Group Inc COM | 0.06% | 0.55% | 0.06% |
 TPLTexas Pacific Land Corporation COM | 0.05% | 0.46% | 0.05% |
 EXEExpand Energy Corp. COM | 0.05% | 0.44% | 0.05% |
 HUBBHubbell Incorporated COM | 0.05% | 0.22% | 0.05% |
 ALBAlbemarle Corp COM | 0.04% | 0.35% | 0.04% |
 FSLRFirst Solar Inc COM | 0.04% | 0.34% | 0.04% |
 PTCPTC Inc COM | 0.03% | 0.57% | 0.03% |
 INCYIncyte Corporation. COM | 0.03% | 0.53% | 0.03% |
 ECHOEchoStar Corp., Class A | 0.03% | 0.26% | 0.03% |
 LIILennox International Inc. COM | 0.03% | 0.48% | 0.03% |
 PODDInsulet Corporation COM | 0.03% | 0.25% | 0.03% |
 TYLTyler Technologies Inc. COM | 0.03% | 0.25% | 0.03% |
 DECKDeckers Outdoor Corp. COM | 0.03% | 0.47% | 0.03% |
 NDSNNordson Corp COM | 0.03% | 0.47% | 0.03% |
 TKOTKO Group Holdings, Inc., Class A | 0.02% | 0.21% | 0.02% |
 RLRalph Lauren Corp., Class A | 0.02% | 0.21% | 0.02% |
 HSTHost Hotels & Resorts Inc COM | 0.02% | 0.22% | 0.02% |
 GNRCGenerac Holdings Inc. COM | 0.02% | 0.38% | 0.02% |
 JKHYHenry Jack & Associates Inc. COM | 0.02% | 0.38% | 0.02% |
 DPZDominos Pizza Inc. COM | 0.02% | 0.36% | 0.02% |
Frequently Asked Questions
How much do IVV and VBK overlap?
IVV and VBK overlap by 1.2% of portfolio weight. They share 35 holdings (IVV holds 503 positions and VBK holds 551), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and VBK?
The two portfolios are 1.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IVV and VBK?
The largest positions held by both funds are CIEN, LITE, FIX, COHR and EQT. Together the top 10 shared positions account for 55% of the total overlap.
What does IVV own that VBK doesn't?
468 positions (98.6% of IVV) are unique to IVV, led by NVDA, AAPL and MSFT. In the other direction, 516 positions (86.0% of VBK) are unique to VBK.