Latest Period
Q1 2026
Security Snapshot
ISHARES TR - RUS 1000 GRW ETF (IWF) Institutional Ownership
CUSIP: 464287614
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
2,385
Shares (Excl. Options)
195,797,559
Price
$426.40
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- Security type / class
- Equity / RUS 1000 GRW ETF
- Symbol
- IWF
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 195,797,559
- Total 13F value
- $83,343,341,987
- Portfolio coverage rank
- 0.19%
- Share change
- -2,163,969
- Value change
- -$1,007,310,202
- Number of holders
- 2,385
- SEC-reported price per share
- $124.31
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
- IWF - ISHARES TR - RUS 1000 GRW ETF is tracked under CUSIP 464287614.
- 2385 institutions reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 2,507 to 2,385 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $94,383,013,594 to $83,343,341,987.
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 2385 institutions filings for Q1 2026.
Security key
464287614
Latest holder period
Q1 2026
13F holders
2,385
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 464287614:
As of 31 Mar 2026, 2,385 institutional investors reported holding 195,797,559 shares of ISHARES TR - RUS 1000 GRW ETF (IWF).
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 | 195,797,559 | $83,343,341,987 | -$1,007,310,202 | $426.40 | 2,385 |
| 2025 Q4 | 199,493,270 | $94,383,013,594 | +$1,414,588,504 | $473.30 | 2,507 |
| 2025 Q3 | 194,388,972 | $91,002,609,589 | -$744,097,369 | $468.41 | 2,335 |
| 2025 Q2 | 196,973,149 | $83,611,785,787 | -$1,682,602,052 | $424.58 | 2,272 |
| 2025 Q1 | 201,713,555 | $72,812,690,655 | +$767,933,124 | $361.09 | 2,194 |
| 2024 Q4 | 200,261,893 | $80,427,413,893 | +$755,720,983 | $401.58 | 2,290 |
| 2024 Q3 | 196,631,200 | $73,798,644,012 | -$1,329,690,760 | $375.38 | 2,060 |
| 2024 Q2 | 201,080,239 | $73,294,435,951 | +$728,909,744 | $364.51 | 2,017 |
| 2024 Q1 | 200,290,478 | $67,498,401,827 | -$773,310,745 | $337.05 | 1,950 |
| 2023 Q4 | 203,240,225 | $61,616,103,417 | +$2,263,017,693 | $303.17 | 1,944 |
| 2023 Q3 | 194,453,623 | $51,681,469,962 | +$453,337,215 | $265.99 | 1,765 |
| 2023 Q2 | 192,738,022 | $53,021,993,684 | -$297,631,468 | $275.18 | 1,758 |
| 2023 Q1 | 192,235,271 | $46,943,908,521 | -$3,758,047,114 | $244.33 | 1,682 |
| 2022 Q4 | 208,721,063 | $44,705,470,497 | +$2,457,595,436 | $214.24 | 1,682 |
| 2022 Q3 | 196,841,550 | $41,428,832,960 | +$296,758,853 | $210.40 | 1,566 |
| 2022 Q2 | 195,718,210 | $42,808,568,115 | +$875,747,723 | $218.70 | 1,578 |
| 2022 Q1 | 191,717,831 | $53,204,703,352 | -$539,324,284 | $277.63 | 1,648 |
| 2021 Q4 | 194,002,939 | $59,237,805,624 | -$161,637,594 | $305.59 | 1,735 |
| 2021 Q3 | 193,278,007 | $52,997,550,657 | +$1,573,006,542 | $274.04 | 1,516 |
| 2021 Q2 | 187,554,618 | $50,925,140,011 | -$1,649,821,433 | $271.48 | 1,508 |
| 2021 Q1 | 193,987,462 | $47,164,438,388 | -$1,187,229,417 | $243.04 | 1,468 |
| 2020 Q4 | 199,137,797 | $48,021,258,109 | -$160,302,408 | $241.14 | 1,477 |
| 2020 Q3 | 200,041,471 | $43,372,597,333 | -$2,430,871,840 | $216.89 | 1,317 |
| 2020 Q2 | 210,536,355 | $40,431,059,288 | -$173,256,656 | $191.95 | 1,285 |
| 2020 Q1 | 212,599,597 | $32,036,359,007 | +$2,749,673,074 | $150.65 | 1,215 |