CWB vs MTUM: Holdings Overlap
CWBState Street® SPDR® Bloomberg Convertible Securities ETF
State Street (SPDR) · 343 holdings · $5.8B · as of 2026-08-06
MTUMiShares MSCI USA Momentum Factor ETF
iShares · 125 holdings · $26.3B · as of 2026-04-30
Holdings snapshots are 98 days apart (CWB: 2026-08-06, MTUM: 2026-04-30). 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 CWB and MTUM?
State Street® SPDR® Bloomberg Convertible Securities ETF (CWB, by State Street (SPDR)) holds 343 positions; iShares MSCI USA Momentum Factor ETF (MTUM, by iShares) holds 125. They have 1 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 1CWB holds 343 · MTUM holds 125
- Weight in Shared Holdings
- CWB 0%·MTUM 0%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 CWB
342 of 343 positions (99.6% of the fund) are not held by MTUM. Showing the top 30 by weight.
- ALPHABET INC2.50%
- ALPHABET INC2.49%
- WESTERN DIGITAL CORP COMPANY GUAR 11/28 32.10%
- BOEING CO/THE2.07%
- ALIBABA GROUP HOLDING SR UNSECURED 06/31 0.51.80%
- LUMENTUM HOLDINGS INC SR UNSECURED 144A 03/32 0.3751.45%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| CWB | +0.2% | +17.5% | +24.7% | +15.9% | +5.9% | +11.8% | 1.51% |
| MTUM | -1.0% | +23.8% | +27.7% | +29.4% | +12.8% | +16.1% | 0.60% |
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 CWB vs MTUM →
Shared Holdings(1)
 TTWOTake-Two Interactive Software Inc. COM | 0.00% | 0.18% | 0.00% |
|---|
Frequently Asked Questions
How much do CWB and MTUM overlap?
CWB and MTUM overlap by 0.0% of portfolio weight. They share 1 holdings (CWB holds 343 positions and MTUM holds 125), based on each fund's latest SEC-reported holdings.
Is it redundant to own both CWB and MTUM?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of CWB and MTUM?
The largest positions held by both funds are TTWO. Together the top 1 shared positions account for 0% of the total overlap.
What does CWB own that MTUM doesn't?
342 positions (99.6% of CWB) are unique to CWB, led by ALPHABET INC, ALPHABET INC and WESTERN DIGITAL CORP COMPANY GUAR 11/28 3. In the other direction, 124 positions (99.7% of MTUM) are unique to MTUM.