iShares Trust - iShares Micro-Cap ETF
US ˙ ARCA ˙ US4642888691

SecurityIWC / iShares Trust - iShares Micro-Cap ETF
InstitutionEfficient Advisors, LLC
Latest Disclosed Ownership16,006 shares
Latest Disclosed Value $ 2,554,748
Efficient Advisors, LLC reports 8.41% decrease in ownership of IWC / iShares Trust - iShares Micro-Cap ETF

On April 29, 2026 - Efficient Advisors, LLC filed a 13F-HR form disclosing ownership of 16,006 shares of iShares Trust - iShares Micro-Cap ETF (US:IWC) valued at $2,554,718 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on January 21, 2026 disclosing 17,475 shares of iShares Trust - iShares Micro-Cap ETF. This represents a change in shares of -8.41% during the quarter. The current value of the position is $3,060,027 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-29 2026-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 16,006 -1,469 -8.41 2,555 -7.30 0.1814
2026-01-21 2025-12-31 13F/A-1 ISHARES TR MICRO-CAP ETF 464288869 17,475 -2,208 -11.22 2,756 -6.10 0.1609
2026-01-08 2025-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 17,475 -2,208 2,756 0.1609
2025-11-10 2025-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 19,683 -3,793 -16.16 2,934 -2.07 0.1654
2025-08-07 2025-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 23,476 -107 -0.45 2,997 14.57 0.1785
2025-05-06 2025-03-31 13F/A-1 ISHARES TR MICRO-CAP ETF 464288869 23,583 -5,880 -19.96 2,616 -31.92 0.1703
2025-05-06 2025-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 23,583 -5,880 2,616 0.1586
2025-02-07 2024-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 29,463 -4,623 -13.56 3,841 -8.61 0.2473
2024-11-12 2024-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 34,086 -2,057 -5.69 4,203 2.01 0.2637
2024-08-05 2024-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 36,143 -6,902 -16.03 4,120 -21.01 0.2673
2024-05-09 2024-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 43,045 -6,180 -12.55 5,217 -8.67 0.3346
2024-02-13 2023-12-31 13F/A-1 ISHARES TR MICRO-CAP ETF 464288869 49,225 -513 -1.03 5,712 14.72 0.3857
2024-02-08 2023-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 49,225 -513 5,712 0.3857
2023-11-07 2023-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 49,738 -2,932 -5.57 4,979 -13.52 0.3370
2023-08-08 2023-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 52,670 -1,768 -3.25 5,757 1.18 0.3761
2023-05-09 2023-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 54,438 -3,458 -5.97 5,689 -8.86 0.3965
2023-02-08 2022-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 57,896 -52 -0.09 6,243 4.19 0.6345
2022-11-08 2022-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 57,948 -9,278 -13.80 5,991 -14.28 0.5219
2022-08-05 2022-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 67,226 -16,605 -19.81 6,989 -35.30 0.5835
2022-05-11 2022-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 83,831 -4,167 -4.74 10,802 -12.15 0.8244
2022-01-20 2021-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 87,998 -2,972 -3.27 12,296 -6.34 0.8718
2021-10-21 2021-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 90,970 -8,810 -8.83 13,129 -13.77 1.2552
2021-07-21 2021-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 99,780 -6,659 -6.26 15,226 -2.65 1.8883
2021-04-28 2021-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 106,439 -9,582 -8.26 15,641 13.62 2.1447
2021-02-02 2020-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 116,021 -16,854 -12.68 13,766 14.52 2.1007
2020-11-09 2020-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 132,875 -8,061 -5.72 12,021 -2.26 2.2071
2020-08-07 2020-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 140,936 -16,361 -10.40 12,299 16.64 2.2762
2020-05-15 2020-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 157,297 7,399 4.94 10,544 -29.30 2.2052
2020-01-27 2019-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 149,898 -6,516 -4.17 14,913 8.16 2.5957
2019-11-07 2019-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 156,414 -14,905 -8.70 13,788 -13.64 2.5201
2019-08-07 2019-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 171,319 -5,964 -3.36 15,965 -2.92 2.7879
2019-05-09 2019-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 177,283 -7,660 -4.14 16,445 7.84 2.8749
2019-01-29 2018-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 184,943 3,580 1.97 15,249 -20.91 2.8377
2018-11-05 2018-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 181,363 -6,769 -3.60 19,280 -2.97 3.3006
2018-08-20 2018-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 188,132 -11,536 -5.78 19,871 3.61 3.3794
2018-05-01 2018-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 199,668 -742 -0.37 19,178 -0.02 3.2344
2018-02-14 2017-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 200,410 -2,166 -1.07 19,181 0.25 3.1953
2017-11-16 2017-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 202,576 -3,233 -1.57 19,133 4.53 3.2879
2017-07-31 2017-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 205,809 -5,642 -2.67 18,303 1.06 2.6937
2017-05-11 2017-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 211,451 -8,134 -3.70 18,111 -3.92 2.5340
2017-02-15 2016-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 219,585 -18,778 -7.88 18,849 1.37 2.6990
2016-11-22 2016-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 238,363 -7,801 -3.17 18,595 6.81 2.7342
2016-07-25 2016-06-30 13F ISHARES TR MICRO-CAP ETF 464288869 246,164 -2,583 -1.04 17,409 3.04 2.7671
2016-06-02 2016-03-31 13F ISHARES TR MICRO-CAP ETF 464288869 248,747 7,341 3.04 16,895 -2.93 3.0396
2016-01-19 2015-12-31 13F ISHARES TR MICRO-CAP ETF 464288869 241,406 988 0.41 17,405 3.79 3.7968
2015-11-12 2015-09-30 13F ISHARES TR MICRO-CAP ETF 464288869 240,418 -2,805 -1.15 16,769 -15.44 3.7494
2015-07-08 2015-06-30 13F ISHARES MICRO-CAP ETF 464288869 243,223 -5,138 -2.07 19,830 0.97 4.1395
2015-05-06 2015-03-31 13F ISHARES MICRO-CAP ETF 464288869 248,361 248,361 0.00 19,640 4.1808
2015-02-03 2014-12-31 13F ISHARES MICRO-CAP ETF 464288869 0 -242,652 -100.00 0 -100.00
2014-10-21 2014-09-30 13F ISHARES MICRO-CAP ETF 464288869 242,652 4,108 1.72 16,869 -7.10 3.9001
2014-07-28 2014-06-30 13F ISHARES MICRO-CAP ETF 464288869 238,544 -3,273 -1.35 18,158 -2.86 4.1400
2014-05-08 2014-03-31 13F ISHARES MICRO-CAP ETF 464288869 241,817 -1,533 -0.63 18,692 2.25 4.5113
2014-02-06 2013-12-31 13F ISHARES MICRO-CAP ETF 464288869 243,350 -4,645 -1.87 18,280 7.62 4.4244
2013-11-14 2013-09-30 13F ISHARES MICRO-CAP ETF 464288869 247,995 -2,876 -1.15 16,985 9.68 4.3549
2013-08-13 2013-06-30 13F ISHARES TR RSSL MCRCP IDX 464288869 250,871 250,871 15,486 4.3238
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.