Latest Period
Q1 2026
Security Snapshot
ISHARES TR - RUS 2000 GRW ETF (IWO) Institutional Ownership
CUSIP: 464287648
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
1,017
Shares (Excl. Options)
30,498,601
Price
$313.81
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- Security type / class
- Equity / RUS 2000 GRW ETF
- Symbol
- IWO
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 30,498,601
- Total 13F value
- $9,545,856,849
- Portfolio coverage rank
- 0.03%
- Share change
- -2,123,040
- Value change
- -$667,059,534
- Number of holders
- 1,017
- SEC-reported price per share
- $382.78
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IWO - ISHARES TR - RUS 2000 GRW ETF is tracked under CUSIP 464287648.
- 1017 institutions reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 1,061 to 1,017 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $10,261,415,173 to $9,545,856,849.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 1017 institutions filings for Q1 2026.
Security key
464287648
Latest holder period
Q1 2026
13F holders
1,017
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 464287648:
As of 31 Mar 2026, 1,017 institutional investors reported holding 30,498,601 shares of ISHARES TR - RUS 2000 GRW ETF (IWO).
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 30,498,601 | $9,545,856,849 | -$667,059,534 | $313.81 | 1,017 |
| 2025 Q4 | 31,730,413 | $10,261,415,173 | +$457,094,437 | $323.01 | 1,061 |
| 2025 Q3 | 30,109,373 | $9,636,950,808 | -$103,159,322 | $320.04 | 987 |
| 2025 Q2 | 30,553,854 | $8,734,623,023 | -$158,817,716 | $285.86 | 949 |
| 2025 Q1 | 31,262,692 | $7,990,400,175 | -$309,199,408 | $255.53 | 948 |
| 2024 Q4 | 32,467,862 | $9,346,924,319 | +$552,402,738 | $287.82 | 1,041 |
| 2024 Q3 | 30,440,910 | $8,640,917,294 | -$196,160,405 | $284.00 | 957 |
| 2024 Q2 | 30,983,333 | $8,139,634,791 | -$237,537,415 | $262.53 | 892 |
| 2024 Q1 | 31,934,236 | $8,647,098,724 | -$275,934,194 | $270.80 | 925 |
| 2023 Q4 | 32,989,562 | $8,319,111,424 | +$166,494,677 | $252.22 | 921 |
| 2023 Q3 | 32,151,690 | $7,206,982,247 | -$19,387,184 | $224.15 | 829 |
| 2023 Q2 | 32,094,844 | $7,787,380,674 | -$22,499,711 | $242.66 | 821 |
| 2023 Q1 | 30,104,561 | $6,826,926,654 | -$557,005,034 | $226.82 | 808 |
| 2022 Q4 | 34,734,476 | $7,453,426,420 | +$193,194,382 | $214.52 | 827 |
| 2022 Q3 | 33,251,079 | $6,856,948,801 | -$419,480,297 | $206.59 | 782 |
| 2022 Q2 | 35,896,896 | $7,409,564,607 | +$117,441,493 | $206.31 | 783 |
| 2022 Q1 | 35,410,444 | $9,056,154,969 | -$291,709,923 | $255.75 | 824 |
| 2021 Q4 | 35,977,902 | $10,537,778,722 | +$629,402,559 | $293.05 | 889 |
| 2021 Q3 | 34,126,492 | $10,025,820,924 | +$212,362,420 | $293.59 | 791 |
| 2021 Q2 | 33,788,908 | $10,528,184,902 | +$594,657,879 | $311.69 | 807 |
| 2021 Q1 | 31,362,946 | $9,424,915,340 | +$207,454,082 | $300.74 | 818 |
| 2020 Q4 | 30,100,550 | $8,633,051,751 | +$186,160,545 | $286.70 | 795 |
| 2020 Q3 | 30,114,751 | $6,672,489,097 | -$33,691,136 | $221.52 | 675 |
| 2020 Q2 | 28,858,315 | $5,970,470,253 | -$250,205,541 | $206.87 | 655 |
| 2020 Q1 | 31,326,051 | $4,956,298,921 | -$179,133,597 | $158.17 | 615 |