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IWB — ISHARES RUSSELL 1000 ETF

Reported value held$12.33B
Funds holding (latest)34
Sector—
Funds holding (Q2 2026)25
Institutional value$12.31B · 30.08M sh
New / Add / Cut / Exit4 / 5 / 14 / 1
Top-5 / Top-10 concentration72.1% / 96.9%
Institutional holdings change Accumulating +3.8% (+1.10M sh)
Institutional value change Up +19.1%

As of Q2 2026, 25 SEC-registered investment managers reported holding IWB (ISHARES RUSSELL 1000 ETF) in their latest 13F filings, with a combined reported value of $12.31B across 30.08M shares. That is +3.8% by share count (+1.10M shares) versus the previous quarter, while reported value moved +19.1%. Ownership is concentrated: the five largest holders account for 72.1% of reported value and the top ten for 96.9%.

Compared with the prior quarter, 4 opened new positions, 5 added to existing stakes, 14 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
Fidelity Management & Research (FMR) history Q2 2026 9.94M $4.07B 0.20% Reduce
Bank of America Corp history Q2 2026 4.57M $1.87B 0.12% Reduce
Northern Trust Corp history Q2 2026 2.55M $1.04B 0.12% Reduce
PNC Financial Services history Q2 2026 2.31M $947.33M 0.47% Reduce
BlackRock Inc history Q2 2026 2.29M $937.75M 0.01% Add
Morgan Stanley history Q2 2026 2.04M $835.74M 0.05% Add
JPMorgan Chase & Co history Q2 2026 1.63M $664.07M 0.08% New
Wells Fargo & Co history Q2 2026 1.58M $646.12M 0.11% Hold
UBS Group AG history Q2 2026 1.14M $466.25M 0.06% Hold
Goldman Sachs Group history Q2 2026 1.08M $443.07M 0.04% Reduce
AQR Capital Management history Q2 2026 238.85K $97.81M 0.03% Add
Millennium Management history Q2 2026 209.77K $85.90M 0.03% Reduce
BNY Mellon history Q2 2026 162.96K $66.73M 0.01% Reduce
Franklin Resources history Q2 2026 92.31K $37.80M 0.01% Reduce
Legal & General Investment Management America history Q2 2026 85.46K $34.99M 0.01% Add
Citigroup Inc history Q2 2026 49.48K $20.26M 0.01% Reduce
Renaissance Technologies history Q2 2026 42.64K $17.46M 0.02% New
Two Sigma Investments history Q2 2026 30.68K $12.56M 0.01% Reduce
Principal Global Investors history Q1 2022 27.87K $6.97M 0.01% Add
Citadel Advisors history Q2 2026 15.70K $6.43M 0.00% Reduce

View all 34 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Fidelity Management & Research (FMR) 9.44M 9.32M 9.95M 11.67M 12.23M 12.14M 12.00M 11.82M 10.42M 10.44M 10.24M 10.09M 9.98M 9.84M 9.82M 10.13M 9.98M 9.84M 10.06M 9.94M
Bank of America Corp 3.15M 3.73M 3.21M 3.79M 3.72M 4.87M 3.48M 3.47M 3.47M 3.77M 3.60M 3.65M 3.64M 4.09M 4.15M 4.77M 4.41M 4.91M 5.16M 4.57M
Northern Trust Corp 2.19M 3.25M 2.36M 2.56M 2.54M 3.07M 2.93M 2.94M 2.81M 2.74M 2.72M 2.74M 2.71M 2.68M 2.72M 2.75M 2.75M 2.69M 2.66M 2.55M
PNC Financial Services 2.02M 2.81M 2.78M 2.72M 2.71M 2.69M 2.72M 2.69M 2.60M 2.56M 2.50M 2.48M 2.47M 2.44M 2.42M 2.39M 2.36M 2.30M 2.33M 2.31M
BlackRock Inc — — — — — — — — — — — — 1.73M 1.95M 2.40M 1.66M 1.73M 2.22M 1.64M 2.29M
Morgan Stanley 1.32M 1.87M 1.64M 1.70M 1.89M 2.20M 1.96M 2.39M 2.37M 2.36M 2.74M 2.80M 2.82M 2.18M 2.18M 1.91M 3.00M 2.09M 2.03M 2.04M
JPMorgan Chase & Co 1.54M 1.59M 300.14K 393.81K 299.05K 577.69K 1.07M 1.30M 527.19K 1.75M 1.50M 1.19M 1.19M 1.26M 1.28M 1.34M 1.32M 1.34M — 1.63M
Wells Fargo & Co 1.32M 1.40M 1.44M 1.39M 1.36M 1.39M 1.33M 1.38M 1.40M 1.43M 1.44M 1.44M 1.47M 1.51M 1.54M 1.61M 1.60M 1.61M 1.58M 1.58M
UBS Group AG 1.09M 1.09M 991.62K 978.81K 990.66K 925.48K 936.01K 965.70K 1.07M 951.25K 1.30M 909.00K 923.66K 965.33K 975.37K 995.87K 945.21K 909.63K 1.14M 1.14M
Goldman Sachs Group 542.90K 2.07M 1.96M 1.74M 1.73M 1.92M 2.52M 2.35M 2.06M 2.05M 2.60M 2.41M 2.21M 1.83M 1.88M 1.78M 1.82M 1.38M 1.17M 1.08M
AQR Capital Management — — — — — — — — — 7.42K 8.34K 9.80K 31.80K 65.06K 121.53K 93.90K 128.53K 150.83K 168.33K 238.85K
Millennium Management 10.53K 26.40K 18.84K 278.78K 281.93K 41.91K 17.66K 675.17K 45.69K 250.58K 8.69K 357.51K 11.24K 2.51M 127.48K 6.96K — 455.13K 521.92K 209.77K
BNY Mellon 213.10K 209.13K 216.93K 224.09K 237.84K 233.52K 236.23K 228.02K 227.11K 194.66K 185.24K 175.38K 173.23K 173.02K 175.90K 169.48K 169.02K 167.53K 164.87K 162.96K
Franklin Resources 2.59M 100.58K 52.11K 51.80K 51.47K 51.62K 51.41K 56.85K 57.69K 57.31K 15.72K 16.05K 15.80K 23.73K 30.70K 53.80K 63.12K 88.16K 95.97K 92.31K
Legal & General Investment Management America 275 275 275 275 275 275 — 5.00K 24.30K 76.48K 59.52K 81.16K 50.52K 57.18K 47.42K 99.14K 35.38K 48.43K 54.67K 85.46K
Citigroup Inc 22.77K 23.29K 25.57K 26.64K 20.04K 18.20K 20.25K 19.75K 19.51K 17.66K 17.78K 17.54K 17.91K 17.68K 20.32K 57.10K 208.27K 49.03K 50.88K 49.48K
Renaissance Technologies 7.50K — — — — — — 3.40K 6.80K 17.60K — 20.90K — 40.50K — 10.70K 16.70K 38.92K — 42.64K
Two Sigma Investments 50.30K 76.70K — 6.70K 9.20K — — 27.30K 30.60K 220.30K 215.80K 246.60K 137.40K 379.00K 321.50K 137.50K 257.80K 71.36K 122.12K 30.68K
Citadel Advisors 147.31K 67.06K 18.81K 66.47K 69.44K 21.50K 10.46K 20.64K 79.28K 110.97K 90.14K 60.83K 167.49K 30.58K 22.10K 65.23K 68.75K 65.69K 21.10K 15.70K
Lazard Asset Management 7.54K 8.36K 7.76K 8.56K 9.80K 12.93K 7.89K 7.99K 7.96K 8.12K 8.76K 7.90K 8.09K 34.14K 9.92K 9.17K 8.87K 8.87K 8.88K 1.35K

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