Castle Biosciences Inc
CSTL- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0001447362
In the last 90 days, Castle Biosciences Inc insiders filed 0 open-market purchases and 21 sales; 176 institutions reported holding it in 13F filings for Q2 2026, worth $653.8M in total; no superinvestor holds it.
Q1 2024 vs. Q4 2023
How the institutions holding Castle Biosciences Inc changed between Q4 2023 and Q1 2024.
All holders in Q1 2024All holders in Q4 2023
| Measure | Q4 2023 | Of which not filed for Q1 2024 | Q1 2024 | Change |
|---|---|---|---|---|
| Holders | 153 | 3 | 151 | +1 |
| Shares | 23.9M | 39.8K | 25.0M | +1.13M (+4.8%) |
| Value | $515.4M | $849.1K | $553.2M | +$38.6M (+7.5%) |
3 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.
New holders (18)
Institutions that held Castle Biosciences Inc at the end of Q1 2024 but not at the end of Q4 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Franklin Resources Inc | 35,500 | $786.3K | 0.00% |
| HSBC Holdings PLC | 34,468 | $763.5K | 0.00% |
| Man Group plc | 23,057 | $510.7K | 0.00% |
| Alpha DNA Investment Management LLC | 23,040 | $510.3K | 0.28% |
| Sherbrooke Park Advisers LLC | 20,825 | $461.3K | 0.09% |
| Petrus Trust Company, LTA | 19,609 | $434.3K | 0.04% |
| New York Life Investment Management LLC | 16,516 | $365.8K | 0.00% |
| HRT Financial LP | 15,011 | $332.0K | 0.00% |
| Balyasny Asset Management LLC | 14,748 | $326.7K | 0.00% |
| Premier Fund Managers Ltd | 14,783 | $314.0K | 0.01% |
| Tudor Investment Corp Et Al | 12,997 | $287.9K | 0.00% |
| Diversify Advisory Services, LLC | 12,498 | $278.1K | 0.02% |
| State Board of Administration of Florida Retirement System | 10,954 | $248.9K | 0.00% |
| Denali Advisors LLC | 8,400 | $186.1K | 0.05% |
| Quest Partners LLC | 4,028 | $89.2K | 0.02% |
| Hillsdale Investment Management Inc. | 300 | $6.64K | 0.00% |
| Simplex Trading, LLC | 6 | $0 | 0.00% |
| CWM, LLC | 12 | $0 | 0.00% |
Sold out (17)
Institutions that held Castle Biosciences Inc at the end of Q4 2023 and filed for Q1 2024 without it.
| Institution | Shares, Q4 2023 | Value, Q4 2023 |
|---|---|---|
| Numerai GP LLC | 43,979 | $949.1K |
| Jane Street Group, LLC | 43,351 | $935.5K |
| Susquehanna International Group, LLP | 26,600 | $574.0K |
| Fan Yu | 22,503 | $485.6K |
| Jump Financial, LLC | 20,436 | $441.0K |
| XTX Topco Ltd | 14,145 | $305.2K |
| Prelude Capital Management, LLC | 12,193 | $263.1K |
| Keebeck Alpha, LP | 12,193 | $263.1K |
| Fox Run Management, L.L.C. | 12,150 | $262.2K |
| Voya Investment Management LLC | 10,187 | $219.8K |
| WuXi AppTec Co., Ltd. | 6,636 | $143.2K |
| O'Dell Group, LLC | 2,041 | $44.0K |
| State of Wyoming | 930 | $20.1K |
| GWM Advisors LLC | 250 | $5.39K |
| Sound Income Strategies, LLC | 250 | $5.39K |
| Tfo-TDC, LLC | 15 | $324 |
| GW&K Investment Management, LLC | 15 | $0 |
Not filed for Q1 2024 yet (3)
Institutions that held Castle Biosciences Inc at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2023 | Value, Q4 2023 |
|---|---|---|
| Putnam Investments LLC | 25,006 | $539.6K |
| DFPG Investments, LLC | 13,649 | $283.8K |
| Coppell Advisory Solutions LLC | 1,190 | $25.7K |