- Quarter end
- 30 Jun 2026
- the date the book describes
- Filed
- 2 Sep 2026
- latest of these filings; the earliest 12 Aug 2026
- Managers listing it
- 20
- at least, of 95 tracked, among listed positions
- Comparable managers
- 91
- filed both Q1 2026 and Q2 2026; 1 listed it in both
- Shares listed
- 2,987,057
- combined, among listed positions
- Reported value
- $71m
- 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: 11 buyers (opened or added shares) and 11 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +315,326.
Managers listing CSTL in Q2 2026
20 of 20 holders
Largest increases and reductions, by shares
Increases
- Acadian Asset Management LLCexisting position · 918,668 shares now+434,227
- Point72 Asset Management LPnew position · 357,317 shares now+357,317
- Citadel Advisors LLCexisting position · 265,353 shares now+144,376
- AQR Capital Management LLCexisting position · 166,567 shares now+101,687
- Arrowstreet Capital LPexisting position · 92,736 shares now+65,594
Reductions
- Tudor Investment Corpexisting position · 14,462 shares now-208,520
- Renaissance Technologies LLCexisting position · 371,200 shares now-161,600
- Two Sigma Investments LPexisting position · 100,374 shares now-148,466
- Millennium Management LLCexisting position · 205,369 shares now-147,950
- D. E. Shaw & Co.existing position · 112,789 shares now-99,177
New positions and exits
New (2)
Exited (3)
- ExodusPoint Capital Management LPwas $801k
- Brevan Howard Capital Management LPwas $456k
- Susquehanna International Group LLPwas $234k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q3 2019 | 1 | $3.0m | n.a. | n.a. |
| Q4 2019 | 1 | $7.1m | n.a. | n.a. |
| Q1 2020 | 1 | $6.6m | n.a. | n.a. |
| Q2 2020 | 1 | $18m | n.a. | n.a. |
| Q3 2020 | 2 | $27m | n.a. | n.a. |
| Q4 2020 | 1 | $139m | n.a. | n.a. |
| Q1 2021 | 2 | $179m | n.a. | n.a. |
| Q2 2021 | 3 | $187m | n.a. | n.a. |
| Q3 2021 | 3 | $138m | n.a. | n.a. |
| Q4 2021 | 3 | $73m | n.a. | n.a. |
| Q1 2022 | 3 | $80m | n.a. | n.a. |
| Q2 2022 | 2 | $5k | n.a. | n.a. |
| Q3 2022 | 1 | $6k | n.a. | n.a. |
| Q4 2022 | 1 | $5k | n.a. | n.a. |
| Q1 2023 | 1 | $5k | n.a. | n.a. |
| Q1 2024 | 1 | $4.7m | 1 | 0 |
| Q2 2024 | 1 | $6.1m | 1 | 0 |
| Q3 2024 | 3 | $12m | 3 | 0 |
| Q4 2024 | 1 | $11m | 1 | 1 |
| Q1 2025 | 1 | $14m | 1 | 0 |
| Q2 2025 | 1 | $11m | 0 | 1 |
| Q3 2025 | 1 | $10m | 0 | 1 |
| Q4 2025 | 2 | $16m | 18 | 8 |
| Q1 2026 | 1 | $12m | 16 | 8 |
| Q2 2026 | 1 | $22m | 11 | 11 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
CSTL and UNH →CSTL and ELV →CSTL and CI →Choose a stock to compare with CSTL →
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 CSTL, latest filings →Back to the 13F Explorer →