- 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
- 22
- at least, of 95 tracked, among listed positions
- Comparable managers
- 91
- filed both Q4 2025 and Q1 2026; 8 listed it in both
- Shares listed
- 5,056,680
- combined, among listed positions
- Reported value
- $1.5bn
- 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: 8 buyers (opened or added shares) and 24 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -548,970.
Managers listing RS in Q1 2026
22 of 22 holders
Largest increases and reductions, by shares
Increases
- T. Rowe Price Associates Incexisting position · 1,530,419 shares now+595,753
- Fidelity (FMR LLC)existing position · 807,010 shares now+57,294
- PDT Partners LLCexisting position · 19,423 shares now+18,680
- Winton Group Ltdnew position · 7,430 shares now+7,430
- Woodline Partners LPexisting position · 2,047 shares now+1,078
Reductions
- Wellington Management Group LLPexisting position · 1,441,470 shares now-166,964
- Jane Street Group LLCexisting position · 7,690 shares now-95,934
- Citadel Advisors LLCexisting position · 41,289 shares now-86,205
- D. E. Shaw & Co.existing position · 5,478 shares now-85,512
- Millennium Management LLCexisting position · 994 shares now-73,523
New positions and exits
New (1)
- Winton Group Ltd$2.3m
Exited (11)
- Holocene Advisors LPwas $115m
- Marshall Wace LLPwas $17m
- Renaissance Technologies LLCwas $9.3m
- Voloridge Investment Management LLCwas $9.2m
- Verition Fund Management LLCwas $4.8m
- Hudson Bay Capital Management LPwas $4.7m
- Susquehanna International Group LLPwas $2.8m
- Bridgewater Associates LPwas $1.7m
- Arrowstreet Capital LPwas $870k
- Tudor Investment Corpwas $482k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q2 2013 | 3 | $129m | n.a. | n.a. |
| Q3 2013 | 3 | $129m | n.a. | n.a. |
| Q4 2013 | 5 | $160m | n.a. | n.a. |
| Q1 2014 | 7 | $201m | n.a. | n.a. |
| Q2 2014 | 6 | $156m | n.a. | n.a. |
| Q3 2014 | 7 | $388m | n.a. | n.a. |
| Q4 2014 | 5 | $397m | n.a. | n.a. |
| Q1 2015 | 5 | $294m | n.a. | n.a. |
| Q2 2015 | 10 | $315m | n.a. | n.a. |
| Q3 2015 | 9 | $196m | n.a. | n.a. |
| Q4 2015 | 6 | $221m | n.a. | n.a. |
| Q1 2016 | 5 | $281m | n.a. | n.a. |
| Q2 2016 | 10 | $363m | n.a. | n.a. |
| Q3 2016 | 10 | $408m | n.a. | n.a. |
| Q4 2016 | 7 | $300m | n.a. | n.a. |
| Q1 2017 | 5 | $458m | n.a. | n.a. |
| Q2 2017 | 11 | $373m | n.a. | n.a. |
| Q3 2017 | 6 | $429m | n.a. | n.a. |
| Q4 2017 | 6 | $424m | n.a. | n.a. |
| Q1 2018 | 10 | $440m | n.a. | n.a. |
| Q2 2018 | 9 | $496m | n.a. | n.a. |
| Q3 2018 | 10 | $525m | n.a. | n.a. |
| Q4 2018 | 9 | $406m | n.a. | n.a. |
| Q1 2019 | 8 | $500m | n.a. | n.a. |
| Q2 2019 | 5 | $506m | n.a. | n.a. |
| Q3 2019 | 8 | $525m | n.a. | n.a. |
| Q4 2019 | 12 | $595m | n.a. | n.a. |
| Q1 2020 | 7 | $433m | n.a. | n.a. |
| Q2 2020 | 10 | $483m | n.a. | n.a. |
| Q3 2020 | 10 | $616m | n.a. | n.a. |
| Q4 2020 | 13 | $732m | n.a. | n.a. |
| Q1 2021 | 9 | $870m | n.a. | n.a. |
| Q2 2021 | 9 | $1.1bn | n.a. | n.a. |
| Q3 2021 | 11 | $1.1bn | n.a. | n.a. |
| Q4 2021 | 9 | $1.3bn | n.a. | n.a. |
| Q1 2022 | 12 | $1.3bn | n.a. | n.a. |
| Q2 2022 | 10 | $1.2bn | n.a. | n.a. |
| Q3 2022 | 10 | $1.0bn | n.a. | n.a. |
| Q4 2022 | 10 | $1.1bn | n.a. | n.a. |
| Q1 2023 | 7 | $1.1bn | n.a. | n.a. |
| Q2 2023 | 5 | $918m | n.a. | n.a. |
| Q3 2023 | 8 | $930m | n.a. | n.a. |
| Q4 2023 | 8 | $1.3bn | 6 | 3 |
| Q1 2024 | 10 | $1.7bn | 6 | 4 |
| Q2 2024 | 8 | $1.8bn | 5 | 4 |
| Q3 2024 | 10 | $1.6bn | 6 | 4 |
| Q4 2024 | 9 | $1.5bn | 6 | 3 |
| Q1 2025 | 8 | $1.4bn | 4 | 4 |
| Q2 2025 | 9 | $1.6bn | 8 | 1 |
| Q3 2025 | 10 | $999m | 7 | 4 |
| Q4 2025 | 10 | $1.1bn | 19 | 16 |
| Q1 2026 | 8 | $1.1bn | 8 | 24 |
| Q2 2026 | 10 | $1.6bn | 21 | 9 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
RS and KLAC →RS and GE →RS and LRCX →Choose a stock to compare with RS →
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 RS, latest filings →Back to the 13F Explorer →