SPSM vs VXF: Holdings Overlap
SPSMState Street® SPDR® Portfolio S&P 600™ Small Cap ETF
State Street (SPDR) · 604 holdings · $17.3B · as of 2026-08-06
VXFVanguard Extended Market Index Fund
Vanguard · 3359 holdings · $32.2B · as of 2026-03-31
Holdings snapshots are 128 days apart (SPSM: 2026-08-06, VXF: 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 VXF?
State Street® SPDR® Portfolio S&P 600™ Small Cap ETF (SPSM, by State Street (SPDR)) holds 604 positions; Vanguard Extended Market Index Fund (VXF, by Vanguard) holds 3359. They have 595 holdings in common, and by portfolio weight the two funds are 20.7% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 20.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 595SPSM holds 604 · VXF holds 3359
- Weight in Shared Holdings
- SPSM 97%·VXF 21%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
9 of 604 positions (2.4% of the fund) are not held by VXF.
Only in VXF
2764 of 3359 positions (79.0% of the fund) are not held by SPSM. Showing the top 30 by weight.
Sector Breakdown
| Sector | SPSM | VXF |
|---|---|---|
| Industrials | 17.4% | 19.5% |
| Financials | 19.0% | 15.0% |
| Information Technology | 12.8% | 16.3% |
| Consumer Discretionary | 13.9% | 9.8% |
| Health Care | 10.6% | 13.3% |
| Other Sectors | 25.1% | 23.6% |
| Unclassified | 0.9% | 2.4% |
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, 2% of VXF).
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% |
| VXF | +2.4% | +18.9% | +26.9% | +18.6% | +6.9% | +12.0% | 0.99% |
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 VXF →
Shared Holdings(595)
The top 10 shared positions account for 5% of the overlap, led by EMN, ESI and PRIM.
 EMNEastman Chemical Company COM | 0.46% | 0.12% | 0.12% |
|---|---|---|---|
 ESIElement Solutions Inc COM | 0.48% | 0.11% | 0.11% |
 PRIMPrimoris Services Corp. COM | 0.24% | 0.11% | 0.11% |
 AGXArgan Inc COM | 0.45% | 0.10% | 0.10% |
 LKQLKQ Corporation COM | 0.34% | 0.10% | 0.10% |
 FORMFormfactor Inc COM | 0.49% | 0.10% | 0.10% |
 JXNJackson Financial, Inc., Class A | 0.51% | 0.10% | 0.10% |
 ESEESCO Technologies Inc. COM | 0.46% | 0.10% | 0.10% |
 MTCHMatch Group Inc COM | 0.47% | 0.10% | 0.10% |
 CECelanese Corporation COM | 0.26% | 0.10% | 0.10% |
 AWIArmstrong World Industries, Inc. COM | 0.43% | 0.10% | 0.10% |
 SMSM Energy Co. COM | 0.36% | 0.10% | 0.10% |
 ZWSZurn Elkay Water Solutions Corporation COM | 0.42% | 0.09% | 0.09% |
 JBTMJBT Marel Corp. COM | 0.35% | 0.09% | 0.09% |
 FSSFederal Signal Corp. COM | 0.43% | 0.09% | 0.09% |
 LUMNLumen Technologies Inc COM | 0.31% | 0.09% | 0.09% |
 QRVOQorvo Inc COM | 0.42% | 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% |
 EATBrinker International, Inc. COM | 0.53% | 0.09% | 0.09% |
 VSATViaSat, Inc. COM | 0.61% | 0.09% | 0.09% |
 PTGXProtagonist Therapeutics Inc COM | 0.48% | 0.08% | 0.08% |
 GKOSGlaukos Corp. COM | 0.55% | 0.08% | 0.08% |
 NENoble Corporation PLC ORD SHS A | 0.28% | 0.08% | 0.08% |
 KRMNKarman Holdings Inc. COMMON STOCK | 0.28% | 0.08% | 0.08% |
Showing the top 250 of 595 shared holdings by overlap weight.
Frequently Asked Questions
How much do SPSM and VXF overlap?
SPSM and VXF overlap by 20.7% of portfolio weight. They share 595 holdings (SPSM holds 604 positions and VXF holds 3359), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPSM and VXF?
The two portfolios are 20.7% 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 VXF?
The largest positions held by both funds are EMN, ESI, PRIM, AGX and LKQ. Together the top 10 shared positions account for 5% of the total overlap.
What does SPSM own that VXF doesn't?
9 positions (2.4% of SPSM) are unique to SPSM, led by GTES, CAG and POOL. In the other direction, 2764 positions (79.0% of VXF) are unique to VXF.