- Quarter end
- 31 Dec 2025
- the date the book describes
- Filed
- 27 Oct 2026
- latest of these filings; the earliest 22 Jan 2026
- Managers listing it
- 29
- at least, of 95 tracked, among listed positions
- Comparable managers
- 92
- filed both Q3 2025 and Q4 2025; 12 listed it in both
- Shares listed
- 79,255,611
- combined, among listed positions
- Reported value
- $1.9bn
- combined, at the quarter end
Among the 92 comparable managers: 15 buyers (opened or added shares) and 22 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -373,931.
Managers listing MOS in Q4 2025
29 of 29 holders
Largest increases and reductions, by shares
Increases
- Fidelity (FMR LLC)existing position · 40,061,882 shares now+3,056,031
- Invesco Ltdexisting position · 11,840,398 shares now+2,653,969
- Squarepoint Ops LLCexisting position · 3,641,860 shares now+1,572,407
- Citadel Advisors LLCexisting position · 2,157,938 shares now+1,320,919
- Arrowstreet Capital LPnew position · 920,047 shares now+920,047
Reductions
- Two Sigma Advisers LPexisting position · 112,400 shares now-3,185,100
- Two Sigma Investments LPexisting position · 225,946 shares now-2,092,042
- D. E. Shaw & Co.existing position · 3,014,612 shares now-1,496,471
- Voloridge Investment Management LLCexisting position · 692,145 shares now-1,467,117
- AQR Capital Management LLCexisting position · 7,759,651 shares now-687,673
New positions and exits
New (4)
Exited (8)
- Schonfeld Strategic Advisors LLCwas $30m
- Tudor Investment Corpwas $25m
- Renaissance Technologies LLCwas $25m
- Quantbot Technologies LPwas $8.1m
- Acadian Asset Management LLCwas $2.2m
- MFS Investment Managementwas $2.0m
- Winton Group Ltdwas $824k
- Caxton Associates LLPwas $201k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q2 2013 | 18 | $968m | n.a. | n.a. |
| Q3 2013 | 16 | $802m | n.a. | n.a. |
| Q4 2013 | 14 | $1.5bn | n.a. | n.a. |
| Q1 2014 | 11 | $1.5bn | n.a. | n.a. |
| Q2 2014 | 14 | $1.7bn | n.a. | n.a. |
| Q3 2014 | 10 | $1.5bn | n.a. | n.a. |
| Q4 2014 | 14 | $1.8bn | n.a. | n.a. |
| Q1 2015 | 12 | $1.4bn | n.a. | n.a. |
| Q2 2015 | 17 | $912m | n.a. | n.a. |
| Q3 2015 | 10 | $618m | n.a. | n.a. |
| Q4 2015 | 10 | $636m | n.a. | n.a. |
| Q1 2016 | 9 | $577m | n.a. | n.a. |
| Q2 2016 | 6 | $584m | n.a. | n.a. |
| Q3 2016 | 6 | $560m | n.a. | n.a. |
| Q4 2016 | 4 | $842m | n.a. | n.a. |
| Q1 2017 | 4 | $741m | n.a. | n.a. |
| Q2 2017 | 5 | $541m | n.a. | n.a. |
| Q3 2017 | 10 | $533m | n.a. | n.a. |
| Q4 2017 | 14 | $634m | n.a. | n.a. |
| Q1 2018 | 6 | $570m | n.a. | n.a. |
| Q2 2018 | 8 | $808m | n.a. | n.a. |
| Q3 2018 | 9 | $1.0bn | n.a. | n.a. |
| Q4 2018 | 16 | $1.1bn | n.a. | n.a. |
| Q1 2019 | 16 | $1.2bn | n.a. | n.a. |
| Q2 2019 | 11 | $899m | n.a. | n.a. |
| Q3 2019 | 6 | $679m | n.a. | n.a. |
| Q4 2019 | 5 | $288m | n.a. | n.a. |
| Q1 2020 | 9 | $147m | n.a. | n.a. |
| Q2 2020 | 9 | $151m | n.a. | n.a. |
| Q3 2020 | 6 | $210m | n.a. | n.a. |
| Q4 2020 | 8 | $406m | n.a. | n.a. |
| Q1 2021 | 8 | $712m | n.a. | n.a. |
| Q2 2021 | 8 | $890m | n.a. | n.a. |
| Q3 2021 | 10 | $1.2bn | n.a. | n.a. |
| Q4 2021 | 15 | $2.0bn | n.a. | n.a. |
| Q1 2022 | 22 | $3.7bn | n.a. | n.a. |
| Q2 2022 | 17 | $2.7bn | n.a. | n.a. |
| Q3 2022 | 19 | $3.1bn | n.a. | n.a. |
| Q4 2022 | 19 | $2.8bn | n.a. | n.a. |
| Q1 2023 | 13 | $3.3bn | n.a. | n.a. |
| Q2 2023 | 9 | $2.1bn | n.a. | n.a. |
| Q3 2023 | 8 | $2.2bn | n.a. | n.a. |
| Q4 2023 | 12 | $2.2bn | 8 | 4 |
| Q1 2024 | 14 | $1.7bn | 11 | 4 |
| Q2 2024 | 13 | $1.6bn | 9 | 5 |
| Q3 2024 | 13 | $1.5bn | 9 | 4 |
| Q4 2024 | 16 | $1.3bn | 11 | 5 |
| Q1 2025 | 13 | $1.4bn | 10 | 4 |
| Q2 2025 | 21 | $2.1bn | 13 | 8 |
| Q3 2025 | 16 | $2.5bn | 7 | 12 |
| Q4 2025 | 8 | $1.3bn | 15 | 22 |
| Q1 2026 | 7 | $1.2bn | 18 | 18 |
| Q2 2026 | 7 | $567m | 16 | 18 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
MOS and LIN →MOS and GLW →MOS and HWM →Choose a stock to compare with MOS →
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.
Which funds own MOS, latest filings →Back to the 13F Explorer →