- Quarter end
- 31 Mar 2026
- the date the book describes
- Filed
- 27 Oct 2026
- latest of these filings; the earliest 12 May 2026
- Managers listing it
- 29
- at least, of 95 tracked, among listed positions
- Comparable managers
- 91
- filed both Q4 2025 and Q1 2026; 9 listed it in both
- Shares listed
- 70,609,431
- combined, among listed positions
- Reported value
- $2.9bn
- combined, at the quarter end
AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.
Among the 91 comparable managers: 18 buyers (opened or added shares) and 15 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -2,334,894.
Managers listing ARMK in Q1 2026
29 of 29 holders
Largest increases and reductions, by shares
Increases
- AQR Capital Management LLCexisting position · 9,903,082 shares now+1,043,072
- Millennium Management LLCexisting position · 1,207,246 shares now+857,061
- Renaissance Technologies LLCexisting position · 683,100 shares now+358,600
- Citadel Advisors LLCexisting position · 412,704 shares now+334,753
- Man Group PLCnew position · 263,171 shares now+263,171
Reductions
- Farallon Capital Management LLCexisting position · 6,135,431 shares now-3,221,615
- Invesco Ltdexisting position · 829,312 shares now-1,285,285
- MFS Investment Managementexisting position · 17,557,328 shares now-1,185,986
- Janus Henderson Group Ltdexisting position · 17,984,812 shares now-211,089
- Neuberger Berman Group LLCexisting position · 1,841,850 shares now-140,657
New positions and exits
New (8)
Exited (4)
- Holocene Advisors LPwas $1.7m
- Winton Group Ltdwas $1.4m
- Susquehanna International Group LLPwas $841k
- Tudor Investment Corpwas $371k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q4 2013 | 3 | $311m | n.a. | n.a. |
| Q1 2014 | 2 | $200m | n.a. | n.a. |
| Q2 2014 | 6 | $617m | n.a. | n.a. |
| Q3 2014 | 7 | $479m | n.a. | n.a. |
| Q4 2014 | 9 | $1.2bn | n.a. | n.a. |
| Q1 2015 | 13 | $1.8bn | n.a. | n.a. |
| Q2 2015 | 19 | $2.0bn | n.a. | n.a. |
| Q3 2015 | 21 | $2.3bn | n.a. | n.a. |
| Q4 2015 | 23 | $2.5bn | n.a. | n.a. |
| Q1 2016 | 16 | $2.3bn | n.a. | n.a. |
| Q2 2016 | 17 | $2.2bn | n.a. | n.a. |
| Q3 2016 | 13 | $2.6bn | n.a. | n.a. |
| Q4 2016 | 7 | $2.7bn | n.a. | n.a. |
| Q1 2017 | 13 | $3.0bn | n.a. | n.a. |
| Q2 2017 | 11 | $3.7bn | n.a. | n.a. |
| Q3 2017 | 9 | $3.7bn | n.a. | n.a. |
| Q4 2017 | 14 | $3.9bn | n.a. | n.a. |
| Q1 2018 | 17 | $3.9bn | n.a. | n.a. |
| Q2 2018 | 15 | $3.9bn | n.a. | n.a. |
| Q3 2018 | 14 | $4.4bn | n.a. | n.a. |
| Q4 2018 | 20 | $2.2bn | n.a. | n.a. |
| Q1 2019 | 17 | $1.4bn | n.a. | n.a. |
| Q2 2019 | 13 | $1.1bn | n.a. | n.a. |
| Q3 2019 | 11 | $1.2bn | n.a. | n.a. |
| Q4 2019 | 9 | $1.1bn | n.a. | n.a. |
| Q1 2020 | 12 | $609m | n.a. | n.a. |
| Q2 2020 | 9 | $778m | n.a. | n.a. |
| Q3 2020 | 14 | $968m | n.a. | n.a. |
| Q4 2020 | 14 | $1.4bn | n.a. | n.a. |
| Q1 2021 | 14 | $1.3bn | n.a. | n.a. |
| Q2 2021 | 14 | $1.3bn | n.a. | n.a. |
| Q3 2021 | 13 | $1.4bn | n.a. | n.a. |
| Q4 2021 | 8 | $1.5bn | n.a. | n.a. |
| Q1 2022 | 7 | $1.4bn | n.a. | n.a. |
| Q2 2022 | 11 | $1.1bn | n.a. | n.a. |
| Q3 2022 | 14 | $1.2bn | n.a. | n.a. |
| Q4 2022 | 16 | $1.6bn | n.a. | n.a. |
| Q1 2023 | 15 | $1.4bn | n.a. | n.a. |
| Q2 2023 | 14 | $1.6bn | n.a. | n.a. |
| Q3 2023 | 14 | $1.3bn | n.a. | n.a. |
| Q4 2023 | 11 | $1.1bn | 8 | 3 |
| Q1 2024 | 8 | $1.3bn | 6 | 2 |
| Q2 2024 | 13 | $1.6bn | 11 | 3 |
| Q3 2024 | 12 | $1.8bn | 9 | 5 |
| Q4 2024 | 10 | $1.9bn | 5 | 6 |
| Q1 2025 | 7 | $1.9bn | 5 | 2 |
| Q2 2025 | 11 | $2.5bn | 8 | 3 |
| Q3 2025 | 12 | $2.5bn | 10 | 2 |
| Q4 2025 | 10 | $2.4bn | 18 | 12 |
| Q1 2026 | 9 | $2.5bn | 18 | 15 |
| Q2 2026 | 19 | $3.7bn | 26 | 9 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
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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 ARMK, latest filings →Back to the 13F Explorer →