ETF comparison
CALF vs IWO
Both US Small Cap.
Pacer US Small Cap Cash Cows 100 ETF · iShares Russell 2000 Growth ETF
Holdings overlap
63 positions appear in both funds. Buying equal dollars of CALF and IWO would leave roughly 6.2% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
IWO is 35 bps cheaper than CALF. On a $100,000 position that's about $350/yr more in fees for CALF.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with CALF vs IWO.
Top shared holdings
63 shared in total| # | Holding | In CALF | In IWO | Overlap |
|---|---|---|---|---|
| 1 | InterDigital Inc | 0.53% | 0.44% | 0.44% |
| 2 | Clear Secure Inc | 0.46% | 0.32% | 0.32% |
| 3 | Qualys Inc | 0.36% | 0.30% | 0.30% |
| 4 | AZZ Inc | 0.41% | 0.28% | 0.28% |
| 5 | Rush Enterprises Inc | 0.62% | 0.27% | 0.27% |
| 6 | Tenable Holdings Inc | 0.29% | 0.25% | 0.25% |
| 7 | Abercrombie & Fitch Co | 0.44% | 0.24% | 0.24% |
| 8 | Brink's Co/The | 0.61% | 0.24% | 0.24% |
| 9 | Tutor Perini Corp | 0.76% | 0.23% | 0.23% |
| 10 | Tidewater Inc | 0.26% | 0.20% | 0.20% |
| 11 | Madison Square Garden Entertai | 0.32% | 0.19% | 0.19% |
| 12 | Delek US Holdings Inc | 0.67% | 0.19% | 0.19% |
Only in CALF
135 total- Tenet Healthcare Corp 2.75%
- Expedia Group Inc 2.47%
- Expand Energy Corp 2.00%
- Omnicom Group Inc 1.94%
- EQT Corp 1.93%
- Zoom Communications Inc 1.93%
- Biogen Inc 1.91%
- Ovintiv Inc 1.79%
- CF Industries Holdings Inc 1.79%
- HF Sinclair Corp 1.73%
Only in IWO
1,070 total- Moog, Inc. 0.73%
- BrightSpring Health Services, Inc. 0.68%
- MaxLinear, Inc. 0.66%
- Argan, Inc. 0.66%
- JFrog Ltd. 0.59%
- Krystal Biotech, Inc. 0.58%
- ESCO Technologies, Inc. 0.56%
- FirstCash Holdings, Inc. 0.53%
- D-Wave Quantum, Inc. 0.53%
- StoneX Group, Inc. 0.52%
Related comparisons
More comparisons with CALF
- CALF vs VTWO · Vanguard Russell 2000 Index Fund ETF Shares 6.1%
- CALF vs SCHD · Schwab U.S. Dividend Equity ETF 1.6%
- CALF vs IWD · iShares Russell 1000 Value ETF 1.5%
- CALF vs VYM · Vanguard High Dividend Yield Index Fund ETF Shares 1.4%
- CALF vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 1.1%
- CALF vs SCHB · Schwab U.S. Broad Market ETF 1.1%
More comparisons with IWO
- IWO vs IJH · iShares Core S&P Mid-Cap ETF 4.4%
- IWO vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 2.8%
- IWO vs VTI · Vanguard Morningstar Total Stock Market ETF 2.8%
- IWO vs SCHB · Schwab U.S. Broad Market ETF 2.4%
- IWO vs VYM · Vanguard High Dividend Yield Index Fund ETF Shares 1.0%
- IWO vs SCHD · Schwab U.S. Dividend Equity ETF 0.5%
Percentages are holdings overlap with the named fund.
Open CALF or IWO at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.