Ken Fisher's MBB Position Overview
Ken Fisher (via Fisher Asset Management, LLC) currently holds 1.06 M shares of iShares MBS ETF (MBB) worth $100.54 M, representing 0.03% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 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 Q4 2025, reducing 21.45 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
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -21.45 M | Reduce 95.31% | 1.06 M | $95.22 |
| Q3 2025 | +1.21 M | Add 5.66% | 22.5 M | $95.15 |
| Q2 2025 | +254,658 | Add 1.21% | 21.3 M | $93.89 |
| Q1 2025 | +1.34 M | Add 6.81% | 21.04 M | $93.78 |
| Q4 2024 | +1.44 M | Add 7.86% | 19.7 M | $91.68 |
| Q3 2024 | +1.4 M | Add 8.33% | 18.27 M | $95.81 |
| Q2 2024 | +16.32 M | Add 3029.86% | 16.86 M | $91.81 |
| Q1 2024 | +94,515 | Add 21.28% | 538,725 | $92.42 |
| Q4 2023 | +12,747 | Add 2.95% | 444,210 | $94.08 |
| Q3 2023 | +17,409 | Add 4.20% | 431,463 | $88.80 |
| Q2 2023 | +1,674 | Add 0.41% | 414,054 | $93.27 |
| Q1 2023 | -152,713 | Reduce 27.02% | 412,380 | $94.73 |
| Q4 2022 | +25,725 | Add 4.77% | 565,093 | $92.75 |
| Q3 2022 | +10,842 | Add 2.05% | 539,368 | $91.58 |
| Q2 2022 | +18,989 | Add 3.73% | 528,526 | $97.49 |
| Q1 2022 | -3,145 | Reduce 0.61% | 509,537 | $101.87 |
| Q4 2021 | +46,881 | Add 10.06% | 512,682 | $107.43 |
| Q3 2021 | +15,951 | Add 3.55% | 465,801 | $108.14 |
| Q2 2021 | -410,056 | Reduce 47.69% | 449,850 | $108.23 |
| Q1 2021 | -7.79 M | Reduce 90.06% | 859,906 | $108.42 |
| Q4 2020 | +598,064 | Add 7.43% | 8.65 M | $110.13 |
| Q3 2020 | +452,315 | Add 5.95% | 8.05 M | $110.40 |
| Q2 2020 | +529,934 | Add 7.49% | 7.6 M | $110.70 |
| Q1 2020 | +258,478 | Add 3.79% | 7.07 M | $110.44 |
| Q4 2019 | +363,982 | Add 5.64% | 6.81 M | $108.06 |
| Q3 2019 | +401,451 | Add 6.64% | 6.45 M | $108.30 |
| Q2 2019 | +501,232 | Add 9.04% | 6.05 M | $107.60 |
| Q1 2019 | +374,365 | Add 7.24% | 5.55 M | $106.36 |
| Q4 2018 | +214,734 | Add 4.33% | 5.17 M | $104.65 |
| Q3 2018 | -442,573 | Reduce 8.20% | 4.96 M | $103.33 |
| Q2 2018 | +342,802 | Add 6.78% | 5.4 M | $104.18 |
| Q1 2018 | +461,572 | Add 10.04% | 5.06 M | $104.64 |
| Q4 2017 | +263,241 | Add 6.08% | 4.6 M | $106.59 |
| Q3 2017 | +186,852 | Add 4.51% | 4.33 M | $107.10 |
| Q2 2017 | +290,043 | Add 7.52% | 4.15 M | $106.76 |
| Q1 2017 | +131,942 | Add 3.54% | 3.86 M | $106.55 |
| Q4 2016 | +68,152 | Add 1.86% | 3.72 M | $106.34 |
| Q3 2016 | +145,917 | Add 4.16% | 3.66 M | $110.09 |
| Q2 2016 | +265,021 | Add 8.17% | 3.51 M | $109.98 |
| Q1 2016 | +142,677 | Add 4.60% | 3.24 M | $109.38 |
| Q4 2015 | +157,475 | Add 5.35% | 3.1 M | $107.70 |
| Q3 2015 | +211,031 | Add 7.72% | 2.94 M | $109.62 |
| Q2 2015 | +73,048 | Add 2.75% | 2.73 M | $108.62 |
| Q1 2015 | +68,309 | Add 2.64% | 2.66 M | $110.34 |
| Q4 2014 | +67,880 | Add 2.69% | 2.59 M | $109.32 |
| Q3 2014 | +97,909 | Add 4.04% | 2.52 M | $108.11 |
| Q2 2014 | +153,734 | Add 6.77% | 2.43 M | $108.22 |
| Q1 2014 | +166,148 | Add 7.89% | 2.27 M | $106.13 |
| Q4 2013 | +119,000 | Add 5.99% | 2.11 M | $104.57 |
| Q3 2013 | +53,716 | Add 2.78% | 1.99 M | $105.92 |
| Q2 2013 | +1.93 M | Add 0.00% | 1.93 M | $105.23 |
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 51 quarters since Q2 2013.
Ken Fisher's largest addition to iShares MBS ETF (MBB) was in Q2 2024, adding 16,861,335 shares worth $1.55 B.
According to the latest 13F filing for Q4 2025, Ken Fisher's firm, Fisher Asset Management, LLC, owns 1,055,854 shares of iShares MBS ETF (MBB), valued at approximately $100.54 M.
As of the Q4 2025 filing, iShares MBS ETF (MBB) represents approximately 0.03% of Ken Fisher's publicly disclosed stock portfolio, making it one of their key holdings.
Ken Fisher's peak holding in iShares MBS ETF (MBB) was 22,503,900 shares, as reported at the end of Q3 2025.