# IJR holdings and overlap

IJR holds 602 positions in its iShares file of 2026-10-12. Its three largest are Glaukos (GKOS) at 0.57%, Match Group (MTCH) at 0.55% and Protagonist Therapeutics (PTGX) at 0.54%, and its ten largest make up 5.1% of the fund.

iShares Core S&P Small-Cap ETF, US Small-Cap Blend, iShares.

Canonical page: https://tickerinside.com/etf/ijr/
Holdings from the issuer file published 2026-10-12. Prices through 2026-10-13.
Licence: CC BY 4.0, attribution to TickerInside. Measurements, not investment advice.

## Largest positions, issuer file of 2026-10-12

| Rank | Ticker | Company | Weight |
| --- | --- | --- | --- |
| 1 | GKOS | Glaukos | 0.57% |
| 2 | MTCH | Match Group | 0.55% |
| 3 | PTGX | Protagonist Therapeutics | 0.54% |
| 4 | VSAT | ViaSat | 0.54% |
| 5 | PAYC | Paycom Software | 0.52% |
| 6 | SM | SM Energy | 0.52% |
| 7 | RHP | REIT Ryman Hospitality Properties | 0.48% |
| 8 | ESI | Element Solutions | 0.48% |
| 9 | RAL | Ralliant | 0.46% |
| 10 | TGTX | TG Therapeutics | 0.45% |
| 11 | LTH | Life Time Group | 0.44% |
| 12 | MXL | MaxLinear | 0.43% |
| 13 | ACA | Arcosa | 0.42% |
| 14 | TRNO | Terreno Realty | 0.42% |
| 15 | KMX | CarMax | 0.42% |
| 16 | EMN | Eastman Chemical | 0.41% |
| 17 | VSXY | Victorias Secret | 0.41% |
| 18 | FSS | Federal Signal | 0.41% |
| 19 | MSGS | Madison Square Garden Sports | 0.4% |
| 20 | ZWS | Zurn Elkay Water Solutions | 0.4% |
| 21 | LW | Lamb Weston | 0.4% |
| 22 | AWI | Armstrong World Industries | 0.4% |
| 23 | PLXS | Plexus | 0.4% |
| 24 | MATX | Matson | 0.39% |
| 25 | ESE | ESCO Technologies | 0.39% |

All 602 positions with weights: https://tickerinside.com/api/v1/fund/ijr.json

Category: US Small-Cap Blend, set by TickerInside from the ETF's own latest file. In its file of 2026-10-12, 100% of its stocks are US companies; weighted by holding, they sit where 97% of their market's value is in larger companies (small: over 94%); growth index funds hold 42% of their value against 42% for companies of the same sizes in the whole market (blend: within 10 points). How categories are set: https://tickerinside.com/etf/category/

## How is IJR split by sector?

In its iShares file of 2026-10-12, IJR is 17.7% industrials, 17.3% financials and 13.0% technology by sector, with none of it in mega-cap tech or in the ten largest US companies by market value.

| Sector | Weight |
| --- | --- |
| Industrials | 17.7% |
| Financials | 17.3% |
| Technology | 13.0% |
| Consumer discretionary | 12.9% |
| Health care | 10.7% |
| Energy | 6.7% |
| Real estate | 6.2% |
| Materials | 4.2% |
| Consumer staples | 3.9% |
| Communication services | 3.6% |
| Utilities | 2.0% |

How these are measured: https://tickerinside.com/how-the-numbers-are-produced/#sectors


## What did IJR hold in its SEC reports since 2019?

In IJR's SEC filings, its largest position went from Mercury Systems Inc (MRCY) at 0.61% on 2019-09-30 to FormFactor, Inc. (FORM) at 0.67% on 2026-06-30, across 28 quarterly reports.

| Report for | Positions | Largest position | Ten largest |
| --- | --- | --- | --- |
| 2019-09-30 | 575 | MRCY 0.61% | 5.2% |
| 2019-12-31 | 576 | MDCO 0.81% | 5.1% |
| 2020-12-31 | 583 | CPRI 0.72% | 6.0% |
| 2021-12-31 | 588 | OMCL 0.74% | 5.5% |
| 2022-12-30 | 593 | ADC 0.72% | 5.7% |
| 2023-12-31 | 595 | CYTK 0.71% | 5.8% |
| 2024-12-31 | 599 | BBWI 0.63% | 5.4% |
| 2025-12-31 | 603 | ARWR 0.62% | 5.5% |
| 2026-06-30 | 603 | FORM 0.67% | 5.8% |

The first report, then the last of each year, of the 28 reports IJR filed on SEC Form N-PORT from 2019-09-30 to 2026-06-30; companies are keyed by their ticker today. Every position of every report: https://tickerinside.com/api/v1/quarterly/ijr.json; at any date: https://tickerinside.com/api/v1/history/ijr/{date}.json. How these are read: https://tickerinside.com/how-the-numbers-are-produced/#sec-history
## Key figures

| Measure | Value |
| --- | --- |
| Last close, 2026-10-12 | 137.47 USD (-0.06% on the day) |
| Expense ratio, SEC filing 2026-07-27 | 0.06% |
| Positions | 602 |
| Weight in the ten largest | 5.1% |
| Total return, 1 year | 18.4% |
| Total return, 3 years | 60.6% |
| Volatility, annualised | 18.6% |
| Worst fall, 3 years | -24.3% |
| Beta against SPY | 0.93 |
| Assets | $102.6B |

## What does IJR share with other ETFs?

| ETF | Overlap by weight | Of IJR held there | Of that ETF in IJR | Companies in both |
| --- | --- | --- | --- | --- |
| SPSM | 98.2% | 100.0% | 100.0% | 602 |
| VIOO | 91.6% | 97.1% | 97.5% | 587 |
| QVMS | 87.2% | 89.1% | 100.0% | 537 |
| SLYV | 65.0% | 71.9% | 99.9% | 463 |
| VIOV | 62.5% | 69.4% | 99.1% | 450 |
| SLYG | 62.0% | 63.9% | 100.0% | 346 |
| VIOG | 62.0% | 63.9% | 100.0% | 346 |
| RWJ | 58.7% | 99.5% | 99.7% | 599 |
| IWM | 47.8% | 83.0% | 48.0% | 539 |
| VTWO | 47.6% | 82.9% | 47.7% | 538 |
| VTWV | 43.4% | 53.4% | 50.9% | 387 |
| PRFZ | 40.9% | 65.6% | 44.6% | 429 |


Method: https://tickerinside.com/how-the-numbers-are-produced/

## Cite this page

TickerInside, iShares Core S&P Small-Cap ETF (IJR), holdings from the issuer's file of 2026-10-12, https://tickerinside.com/etf/ijr/, CC BY 4.0

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