- 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
- 26
- at least, of 95 tracked, among listed positions
- Comparable managers
- 91
- filed both Q4 2025 and Q1 2026; 6 listed it in both
- Shares listed
- 6,238,552
- combined, among listed positions
- Reported value
- $513m
- 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: 15 buyers (opened or added shares) and 15 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -975,372.
Managers listing BYD in Q1 2026
26 of 26 holders
Largest increases and reductions, by shares
Increases
- Freestone Grove Partners LPexisting position · 200,887 shares now+183,853
- Hudson Bay Capital Management LPexisting position · 248,860 shares now+149,048
- Woodline Partners LPnew position · 116,565 shares now+116,565
- Citadel Advisors LLCexisting position · 132,891 shares now+105,722
- D. E. Shaw & Co.existing position · 131,748 shares now+79,954
Reductions
- Invesco Ltdexisting position · 974,122 shares now-453,706
- Arrowstreet Capital LPexisting position · 1,356,008 shares now-399,651
- Fidelity (FMR LLC)existing position · 1,325,337 shares now-196,281
- Millennium Management LLCexisting position · 180,967 shares now-119,496
- GAMCO Investors Incexisting position · 182,550 shares now-71,350
New positions and exits
New (5)
Exited (4)
- Tudor Investment Corpwas $35m
- Jane Street Group LLCwas $2.6m
- Brevan Howard Capital Management LPwas $1.6m
- Two Sigma Investments LPwas $845k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q2 2013 | 4 | $71m | n.a. | n.a. |
| Q3 2013 | 5 | $109m | n.a. | n.a. |
| Q4 2013 | 5 | $111m | n.a. | n.a. |
| Q1 2014 | 8 | $201m | n.a. | n.a. |
| Q2 2014 | 5 | $169m | n.a. | n.a. |
| Q3 2014 | 6 | $130m | n.a. | n.a. |
| Q4 2014 | 5 | $147m | n.a. | n.a. |
| Q1 2015 | 4 | $88m | n.a. | n.a. |
| Q2 2015 | 3 | $87m | n.a. | n.a. |
| Q3 2015 | 3 | $87m | n.a. | n.a. |
| Q4 2015 | 4 | $113m | n.a. | n.a. |
| Q1 2016 | 6 | $192m | n.a. | n.a. |
| Q2 2016 | 5 | $90m | n.a. | n.a. |
| Q3 2016 | 7 | $126m | n.a. | n.a. |
| Q4 2016 | 9 | $187m | n.a. | n.a. |
| Q1 2017 | 7 | $106m | n.a. | n.a. |
| Q2 2017 | 8 | $198m | n.a. | n.a. |
| Q3 2017 | 8 | $216m | n.a. | n.a. |
| Q4 2017 | 13 | $355m | n.a. | n.a. |
| Q1 2018 | 12 | $283m | n.a. | n.a. |
| Q2 2018 | 9 | $241m | n.a. | n.a. |
| Q3 2018 | 8 | $174m | n.a. | n.a. |
| Q4 2018 | 6 | $103m | n.a. | n.a. |
| Q1 2019 | 5 | $100m | n.a. | n.a. |
| Q2 2019 | 4 | $58m | n.a. | n.a. |
| Q3 2019 | 1 | $39m | n.a. | n.a. |
| Q4 2019 | 5 | $52m | n.a. | n.a. |
| Q1 2020 | 5 | $47m | n.a. | n.a. |
| Q2 2020 | 6 | $77m | n.a. | n.a. |
| Q3 2020 | 6 | $366m | n.a. | n.a. |
| Q4 2020 | 4 | $496m | n.a. | n.a. |
| Q1 2021 | 8 | $930m | n.a. | n.a. |
| Q2 2021 | 7 | $501m | n.a. | n.a. |
| Q3 2021 | 7 | $258m | n.a. | n.a. |
| Q4 2021 | 10 | $333m | n.a. | n.a. |
| Q1 2022 | 8 | $144m | n.a. | n.a. |
| Q2 2022 | 7 | $84m | n.a. | n.a. |
| Q3 2022 | 7 | $118m | n.a. | n.a. |
| Q4 2022 | 8 | $250m | n.a. | n.a. |
| Q1 2023 | 7 | $220m | n.a. | n.a. |
| Q2 2023 | 7 | $225m | n.a. | n.a. |
| Q3 2023 | 5 | $193m | n.a. | n.a. |
| Q4 2023 | 4 | $132m | 2 | 2 |
| Q1 2024 | 6 | $169m | 3 | 3 |
| Q2 2024 | 6 | $118m | 3 | 3 |
| Q3 2024 | 6 | $198m | 4 | 2 |
| Q4 2024 | 8 | $178m | 5 | 2 |
| Q1 2025 | 7 | $219m | 4 | 3 |
| Q2 2025 | 5 | $209m | 2 | 3 |
| Q3 2025 | 8 | $227m | 7 | 1 |
| Q4 2025 | 7 | $237m | 12 | 17 |
| Q1 2026 | 7 | $184m | 15 | 15 |
| Q2 2026 | 12 | $196m | 20 | 12 |
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.
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