SPSM vs VB: Holdings Overlap
SPSMState Street® SPDR® Portfolio S&P 600™ Small Cap ETF
State Street (SPDR) · 604 holdings · $17.3B · as of 2026-08-06
VBVanguard Small-cap Index Fund
Vanguard · 1312 holdings · $82.5B · as of 2026-03-31
Holdings snapshots are 128 days apart (SPSM: 2026-08-06, VB: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are SPSM and VB?
State Street® SPDR® Portfolio S&P 600™ Small Cap ETF (SPSM, by State Street (SPDR)) holds 604 positions; Vanguard Small-cap Index Fund (VB, by Vanguard) holds 1312. They have 478 holdings in common, and by portfolio weight the two funds are 18.4% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 18.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 478SPSM holds 604 · VB holds 1312
- Weight in Shared Holdings
- SPSM 86%·VB 18%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 SPSM
126 of 604 positions (14.0% of the fund) are not held by VB. Showing the top 30 by weight.
Sector Breakdown
| Sector | SPSM | VB |
|---|---|---|
| Industrials | 17.4% | 21.2% |
| Financials | 19.0% | 13.4% |
| Consumer Discretionary | 13.9% | 10.5% |
| Information Technology | 12.8% | 13.8% |
| Health Care | 10.6% | 11.6% |
| Other Sectors | 25.1% | 28.5% |
| Unclassified | 0.9% | 0.7% |
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 (1% of SPSM, 1% of VB).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPSM | +2.4% | +24.5% | +36.5% | +14.6% | +7.7% | +10.9% | 1.36% |
| VB | +2.5% | +19.5% | +29.1% | +15.9% | +8.1% | +11.3% | 1.18% |
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 SPSM vs VB →
Shared Holdings(478)
The top 10 shared positions account for 6% of the overlap, led by KRMN, EMN and ESI.
 KRMNKarman Holdings Inc. COMMON STOCK | 0.28% | 0.13% | 0.13% |
|---|---|---|---|
 EMNEastman Chemical Company COM | 0.46% | 0.12% | 0.12% |
 ESIElement Solutions Inc COM | 0.48% | 0.12% | 0.12% |
 FORMFormfactor Inc COM | 0.49% | 0.11% | 0.11% |
 CAGConagra Brands Inc COM | 0.39% | 0.11% | 0.11% |
 LKQLKQ Corporation COM | 0.34% | 0.10% | 0.10% |
 JXNJackson Financial, Inc., Class A | 0.51% | 0.10% | 0.10% |
 SMSM Energy Co. COM | 0.36% | 0.10% | 0.10% |
 PRIMPrimoris Services Corp. COM | 0.24% | 0.10% | 0.10% |
 ESEESCO Technologies Inc. COM | 0.46% | 0.10% | 0.10% |
 CECelanese Corporation COM | 0.26% | 0.10% | 0.10% |
 MTCHMatch Group Inc COM | 0.47% | 0.10% | 0.10% |
 ZWSZurn Elkay Water Solutions Corporation COM | 0.42% | 0.10% | 0.10% |
 AWIArmstrong World Industries, Inc. COM | 0.43% | 0.10% | 0.10% |
 EPAMEPAM Systems Inc. COM | 0.27% | 0.10% | 0.10% |
 LNCLincoln National Corp. COM | 0.43% | 0.09% | 0.09% |
 PTGXProtagonist Therapeutics Inc COM | 0.48% | 0.09% | 0.09% |
 POOLPool Corporation COM | 0.35% | 0.09% | 0.09% |
 JBTMJBT Marel Corp. COM | 0.35% | 0.09% | 0.09% |
 FSSFederal Signal Corp. COM | 0.43% | 0.09% | 0.09% |
 QRVOQorvo Inc COM | 0.42% | 0.09% | 0.09% |
 LUMNLumen Technologies Inc COM | 0.31% | 0.09% | 0.09% |
 TRNOTerreno Realty Corporation COM | 0.40% | 0.09% | 0.09% |
 EPRTEssential Properties Realty Trust Inc. COM | 0.36% | 0.09% | 0.09% |
 NENoble Corporation PLC ORD SHS A | 0.28% | 0.09% | 0.09% |
Showing the top 250 of 478 shared holdings by overlap weight.
Frequently Asked Questions
How much do SPSM and VB overlap?
SPSM and VB overlap by 18.4% of portfolio weight. They share 478 holdings (SPSM holds 604 positions and VB holds 1312), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPSM and VB?
The two portfolios are 18.4% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of SPSM and VB?
The largest positions held by both funds are KRMN, EMN, ESI, FORM and CAG. Together the top 10 shared positions account for 6% of the total overlap.
What does SPSM own that VB doesn't?
126 positions (14.0% of SPSM) are unique to SPSM, led by GTES, ENVA and MBGL. In the other direction, 834 positions (81.3% of VB) are unique to VB.