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MBB — ISHARES TR

Reported value held$14.92B
Funds holding (latest)31
Sector—
Funds holding (Q2 2026)20
Institutional value$14.33B · 151.38M sh
New / Add / Cut / Exit1 / 15 / 2 / 1
Top-5 / Top-10 concentration92.1% / 99.2%
Institutional holdings change Accumulating +35.0% (+39.25M sh)
Institutional value change Up +34.6%

As of Q2 2026, 20 SEC-registered investment managers reported holding MBB (ISHARES TR) in their latest 13F filings, with a combined reported value of $14.33B across 151.38M shares. That is +35.0% by share count (+39.25M shares) versus the previous quarter, while reported value moved +34.6%. Ownership is concentrated: the five largest holders account for 92.1% of reported value and the top ten for 99.2%.

Compared with the prior quarter, 1 opened new positions, 15 added to existing stakes, 2 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
Bank of America Corp history Q2 2026 68.26M $6.45B 0.43% Add
JPMorgan Chase & Co history Q2 2026 37.78M $3.59B 0.41% New
UBS Group AG history Q2 2026 18.50M $1.75B 0.23% Reduce
Morgan Stanley history Q2 2026 11.54M $1.09B 0.06% Add
Charles Schwab Investment Management history Q2 2024 5.56M $510.08M 0.10% Add
PNC Financial Services history Q2 2026 3.28M $309.95M 0.15% Add
Wells Fargo & Co history Q2 2026 2.91M $275.28M 0.05% Add
BNY Mellon history Q2 2026 2.42M $228.76M 0.04% Add
BlackRock Inc history Q2 2026 2.31M $218.47M 0.00% Add
Goldman Sachs Group history Q2 2026 1.72M $162.23M 0.01% Add
Bridgewater Associates history Q2 2026 1.39M $131.08M 0.54% Add
Two Sigma Investments history Q3 2023 500.00K $44.40M 0.13% Reduce
Fidelity Management & Research (FMR) history Q2 2026 365.72K $34.57M 0.00% Add
Franklin Resources history Q2 2026 363.20K $34.33M 0.01% Add
Northern Trust Corp history Q2 2026 214.80K $20.30M 0.00% Add
Marshall Wace history Q4 2024 189.30K $17.36M 0.02% Add
Lazard Asset Management history Q2 2026 147.26K $13.92M 0.02% Add
Renaissance Technologies history Q2 2026 93.99K $8.88M 0.01% Add
Legal & General Investment Management America history Q2 2024 95.00K $8.72M 0.00% New
Manulife Financial history Q2 2025 85.04K $7.98M 0.01% Reduce

View all 31 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
Bank of America Corp 75.78M 77.63M 69.94M 67.75M 67.27M 72.20M 61.72M 62.06M 66.02M 75.40M 71.80M 73.59M 74.16M 75.99M 62.53M 64.33M 71.90M 71.05M 66.21M 68.26M
JPMorgan Chase & Co 17.11M 17.82M 25.52M 25.24M 21.15M 22.72M 22.98M 24.57M 27.29M 30.22M 25.24M 29.14M 34.66M 51.72M 50.75M 50.50M 51.68M 35.09M — 37.78M
UBS Group AG 1.47M 1.36M 1.32M 1.27M 1.22M 1.55M 1.58M 1.89M 1.61M 1.75M 2.05M 1.92M 1.71M 1.76M 2.43M 1.72M 1.77M 1.94M 21.84M 18.50M
Morgan Stanley 5.76M 5.80M 5.23M 5.47M 5.53M 7.17M 7.70M 8.35M 7.84M 7.06M 7.66M 7.69M 7.95M 8.54M 8.40M 9.19M 9.47M 9.85M 10.79M 11.54M
PNC Financial Services 440.41K 396.63K 436.88K 387.39K 376.04K 331.05K 341.04K 367.44K 372.75K 386.40K 373.23K 2.79M 2.81M 2.93M 2.94M 2.92M 2.88M 3.00M 3.11M 3.28M
Wells Fargo & Co 4.70M 4.57M 2.57M 2.20M 2.19M 2.04M 2.83M 2.93M 3.12M 3.02M 3.25M 2.90M 2.60M 2.57M 2.55M 2.58M 2.54M 2.72M 2.71M 2.91M
BNY Mellon 866.50K 858.74K 862.66K 873.70K 862.95K 1.80M 1.88M 1.93M 3.62M 3.54M 3.44M 3.31M 3.28M 3.53M 3.18M 3.07M 2.04M 2.11M 2.31M 2.42M
BlackRock Inc — — — — — — — — — — — — 2.22M 2.44M 2.32M 2.32M 2.38M 2.25M 2.22M 2.31M
Goldman Sachs Group 12.22K 197.95K 47.11K 41.15K 45.76K 53.70K 54.66K 48.40K 555.54K 1.99M 518.40K 490.75K 1.30M 335.24K 378.77K 370.36K 401.07K 326.01K 302.21K 1.72M
Bridgewater Associates — — 644.10K 1.20M 1.31M 1.49M 1.47M 1.45M 1.48M 1.45M 1.48M 1.45M 1.42M 1.43M 1.45M 1.46M 1.36M 1.38M 1.36M 1.39M
Fidelity Management & Research (FMR) 64.73K 86.60K 185.93K 137.39K 209.00K 219.29K 878.37K 1.88M 1.88M 1.90M 1.80M 1.82M 967.54K 421.70K 398.32K 366.98K 354.12K 351.63K 356.35K 365.72K
Franklin Resources 221.65K 236.06K 214.36K 224.59K 224.00K 286.51K 289.52K 263.31K 261.12K 503.50K 303.64K 292.64K 296.71K 302.20K 311.05K 320.80K 330.22K 337.73K 361.08K 363.20K
Northern Trust Corp — — — — — — — — 16.43K — — — — 427.21K 395.20K 398.86K 403.44K 188.14K 209.84K 214.80K
Lazard Asset Management — — — — 218.83K 200.11K 200.42K — 147.88K 130.16K 134.99K 128.75K 128.51K 122.39K 131.24K 127.52K 123.47K 118.71K 121.09K 147.26K
Renaissance Technologies — — — 161.00K — 43.90K — — — — — — — — — — — 8.39K 28.00K 93.99K
Citigroup Inc 25.80K 2.67K 2.53K 2.25K 1.00M 2.48K 2.85K 5.31K 4.29K 4.87K 3.30K 3.85K 22.93K 5.60K 105.95K 23.74K 25.30K 127.98K 32.24K 62.87K
AQR Capital Management — — — — — — — — — — — — 8.07K 9.10K 10.13K 7.17K 9.12K 10.95K 11.77K 13.97K
Prudential Financial 31.80K 31.80K 34.61K 36.01K 34.70K 179.31K 297.61K 211.63K 171.21K 192.90K 190.88K 205.63K 267.22K 56.87K 13.72K 1.46M 1.48M 13.72K 13.72K 13.72K
Citadel Advisors 2.00K 849.10K 164.65K 85.30K 108.86K 144.27K 115.24K 420.13K 528.35K 327.07K 178.90K 191.90K 221.75K 371.25K 80.80K 82.50K 87.60K 20.20K 142.15K 6.50K
Deutsche Bank AG 410.80K 410.80K 795 1.12K — — — 94 94 94 1.91K 1.91K 1.91K 1.91K 1.91K 1.91K 1.91K 1.91K 1.91K 1.91K

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