Ken Fisher's MBB Position Overview
Ken Fisher (via Fisher Asset Management, LLC) currently holds 22.5 M shares of iShares MBS ETF (MBB) worth $2.14 B, representing 0.78% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Ken Fisher has maintained a long-term strategic position in MBB, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2024, adding 16.32 M shares. Largest reduction occurred in Q1 2021, reducing 7.79 M shares.
Analysis based on 13F filings available since 2013 Q2
Ken Fisher's iShares MBS ETF (MBB) Holding Value Over Time
Track share changes against reported price movement
Quarterly iShares MBS ETF (MBB) Trades by Ken Fisher
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +1.93 M | Add 0.00% | 1.93 M | $105.23 |
| Q3 2013 | +53,716 | Add 2.78% | 1.99 M | $105.92 |
| Q4 2013 | +119,000 | Add 5.99% | 2.11 M | $104.57 |
| Q1 2014 | +166,148 | Add 7.89% | 2.27 M | $106.13 |
| Q2 2014 | +153,734 | Add 6.77% | 2.43 M | $108.22 |
| Q3 2014 | +97,909 | Add 4.04% | 2.52 M | $108.11 |
| Q4 2014 | +67,880 | Add 2.69% | 2.59 M | $109.32 |
| Q1 2015 | +68,309 | Add 2.64% | 2.66 M | $110.34 |
| Q2 2015 | +73,048 | Add 2.75% | 2.73 M | $108.62 |
| Q3 2015 | +211,031 | Add 7.72% | 2.94 M | $109.62 |
| Q4 2015 | +157,475 | Add 5.35% | 3.1 M | $107.70 |
| Q1 2016 | +142,677 | Add 4.60% | 3.24 M | $109.38 |
| Q2 2016 | +265,021 | Add 8.17% | 3.51 M | $109.98 |
| Q3 2016 | +145,917 | Add 4.16% | 3.66 M | $110.09 |
| Q4 2016 | +68,152 | Add 1.86% | 3.72 M | $106.34 |
| Q1 2017 | +131,942 | Add 3.54% | 3.86 M | $106.55 |
| Q2 2017 | +290,043 | Add 7.52% | 4.15 M | $106.76 |
| Q3 2017 | +186,852 | Add 4.51% | 4.33 M | $107.10 |
| Q4 2017 | +263,241 | Add 6.08% | 4.6 M | $106.59 |
| Q1 2018 | +461,572 | Add 10.04% | 5.06 M | $104.64 |
| Q2 2018 | +342,802 | Add 6.78% | 5.4 M | $104.18 |
| Q3 2018 | -442,573 | Reduce 8.20% | 4.96 M | $103.33 |
| Q4 2018 | +214,734 | Add 4.33% | 5.17 M | $104.65 |
| Q1 2019 | +374,365 | Add 7.24% | 5.55 M | $106.36 |
| Q2 2019 | +501,232 | Add 9.04% | 6.05 M | $107.60 |
| Q3 2019 | +401,451 | Add 6.64% | 6.45 M | $108.30 |
| Q4 2019 | +363,982 | Add 5.64% | 6.81 M | $108.06 |
| Q1 2020 | +258,478 | Add 3.79% | 7.07 M | $110.44 |
| Q2 2020 | +529,934 | Add 7.49% | 7.6 M | $110.70 |
| Q3 2020 | +452,315 | Add 5.95% | 8.05 M | $110.40 |
| Q4 2020 | +598,064 | Add 7.43% | 8.65 M | $110.13 |
| Q1 2021 | -7.79 M | Reduce 90.06% | 859,906 | $108.42 |
| Q2 2021 | -410,056 | Reduce 47.69% | 449,850 | $108.23 |
| Q3 2021 | +15,951 | Add 3.55% | 465,801 | $108.14 |
| Q4 2021 | +46,881 | Add 10.06% | 512,682 | $107.43 |
| Q1 2022 | -3,145 | Reduce 0.61% | 509,537 | $101.87 |
| Q2 2022 | +18,989 | Add 3.73% | 528,526 | $97.49 |
| Q3 2022 | +10,842 | Add 2.05% | 539,368 | $91.58 |
| Q4 2022 | +25,725 | Add 4.77% | 565,093 | $92.75 |
| Q1 2023 | -152,713 | Reduce 27.02% | 412,380 | $94.73 |
| Q2 2023 | +1,674 | Add 0.41% | 414,054 | $93.27 |
| Q3 2023 | +17,409 | Add 4.20% | 431,463 | $88.80 |
| Q4 2023 | +12,747 | Add 2.95% | 444,210 | $94.08 |
| Q1 2024 | +94,515 | Add 21.28% | 538,725 | $92.42 |
| Q2 2024 | +16.32 M | Add 3029.86% | 16.86 M | $91.81 |
| Q3 2024 | +1.4 M | Add 8.33% | 18.27 M | $95.81 |
| Q4 2024 | +1.44 M | Add 7.86% | 19.7 M | $91.68 |
| Q1 2025 | +1.34 M | Add 6.81% | 21.04 M | $93.78 |
| Q2 2025 | +254,658 | Add 1.21% | 21.3 M | $93.89 |
| Q3 2025 | +1.21 M | Add 5.66% | 22.5 M | $95.15 |
Ken Fisher's iShares MBS ETF Investment FAQs
Ken Fisher first purchased iShares MBS ETF (MBB) in Q2 2013, acquiring 1,933,471 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ken Fisher has held iShares MBS ETF (MBB) for 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ken Fisher's largest addition to iShares MBS ETF (MBB) was in Q2 2024, adding 16,861,335 shares worth $1.55 B. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Ken Fisher's firm, Fisher Asset Management, LLC, owns 22,503,900 shares of iShares MBS ETF (MBB), valued at approximately $2.14 B. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, iShares MBS ETF (MBB) represents approximately 0.78% of Ken Fisher's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ken Fisher's peak holding in iShares MBS ETF (MBB) was 22,503,900 shares, as reported at the end of Q3 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.