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 20 sales; 176 institutions reported holding it in 13F filings for Q2 2026, worth $653.8M in total; no superinvestor holds it.
13F holders, Q2 2023
Institutional positions in Castle Biosciences Inc as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 130
- −18 vs. Q1 2023
- Shares held
- 23.0M
- +876.4K (+4.0%) vs. Q1 2023
- Total value
- $316.6M
- −$185.3M (−36.9%) vs. Q1 2023
- New holders
- 16
- 70 more added
- Sold out
- 34
- 25 more reduced
Compare with Q1 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CSTL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 176 | $653.8M |
| Q1 2026 | 186 | $677.8M |
| Q4 2025 | 195 | $1.06B |
| Q3 2025 | 173 | $608.3M |
| Q2 2025 | 152 | $541.8M |
| Q1 2025 | 180 | $516.3M |
| Q4 2024 | 197 | $706.4M |
| Q3 2024 | 185 | $736.9M |
| Q2 2024 | 159 | $549.4M |
| Q1 2024 | 151 | $553.2M |
| Q4 2023 | 153 | $515.4M |
| Q3 2023 | 135 | $391.0M |
| Q2 2023 | 130 | $316.6M |
| Q1 2023 | 148 | $501.9M |
| Q4 2022 | 153 | $522.0M |
| Q3 2022 | 157 | $569.8M |
| Q2 2022 | 146 | $495.0M |
| Q1 2022 | 160 | $1.02B |
| Q4 2021 | 159 | $918.6M |
| Q3 2021 | 188 | $1.42B |
| Q2 2021 | 182 | $1.52B |
| Q1 2021 | 175 | $1.46B |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wasatch Advisors Inc | 3,087,001 | $42.4M | 0.26% | +107,088+3.6% | Added |
| Granahan Investment Management Inc | 2,529,431 | $34.7M | 1.07% | +1,329,382+110.8% | Added |
| BlackRock Inc. | 2,131,700 | $29.2M | 0.00% | +12,143+0.6% | Added |
| Vanguard Group Inc | 1,427,421 | $19.6M | 0.00% | +23,520+1.7% | Added |
| Principal Financial Group Inc | 1,360,001 | $18.7M | 0.01% | +72,854+5.7% | Added |
| Bellevue Group AG | 1,124,043 | $15.4M | 0.22% | +175,165+18.5% | Added |
| Millennium Management LLC | 1,035,593 | $14.2M | 0.02% | +210,156+25.5% | Added |
| Kornitzer Capital Management Inc | 648,224 | $8.89M | 0.17% | 00.0% | Unchanged |
| Palisade Capital Management LLC | 602,204 | $8.26M | 0.22% | +25,186+4.4% | Added |
| State Street Corp | 535,328 | $7.34M | 0.00% | +12,800+2.4% | Added |
| Geode Capital Management, LLC | 497,684 | $6.83M | 0.00% | +12,730+2.6% | Added |
| Dimensional Fund Advisors LP | 489,583 | $6.72M | 0.00% | +5,931+1.2% | Added |
| GW&K Investment Management, LLC | 488,745 | $6.71M | 0.06% | −6,036−1.2% | Reduced |
| Portolan Capital Management, LLC | 431,474 | $5.92M | 0.52% | +174,825+68.1% | Added |
| Nuveen Asset Management, LLC | 416,414 | $5.71M | 0.00% | +10,656+2.6% | Added |
| Allspring Global Investments Holdings, LLC | 378,387 | $5.19M | 0.01% | +9,934+2.7% | Added |
| Intrinsic Edge Capital Management LLC | 356,206 | $4.89M | 0.38% | −39,630−10.0% | Reduced |
| Ameriprise Financial Inc | 317,954 | $4.36M | 0.00% | +203,045+176.7% | Added |
| Invenomic Capital Management LP | 278,818 | $3.83M | 0.21% | +191,566+219.6% | Added |
| UBS Asset Management Americas Inc | 157,322 | $3.57M | 0.00% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 258,151 | $3.54M | 0.02% | +258,151 | New |
| New York State Common Retirement Fund | 241,233 | $3.31M | 0.00% | +20,308+9.2% | Added |
| Northern Trust Corp | 237,084 | $3.25M | 0.00% | +11,382+5.0% | Added |
| Captrust Financial Advisors | 229,691 | $3.15M | 0.01% | +60,959+36.1% | Added |
| Charles Schwab Investment Management Inc | 185,995 | $2.55M | 0.00% | +2,329+1.3% | Added |
| Banque Pictet & Cie SA | 183,803 | $2.52M | 0.02% | −6,582−3.5% | Reduced |
| Renaissance Technologies LLC | 172,400 | $2.37M | 0.00% | +136,000+373.6% | Added |
| First Light Asset Management, LLC | 160,126 | $2.20M | 0.17% | −1,492−0.9% | Reduced |
| Greenhouse Funds LLLP | 150,670 | $2.07M | 0.17% | −343,571−69.5% | Reduced |
| Parkman Healthcare Partners LLC | 148,002 | $2.03M | 0.35% | +148,002 | New |
| Voya Investment Management LLC | 116,977 | $1.60M | 0.00% | +26,057+28.7% | Added |
| SEI Investments Co | 109,995 | $1.51M | 0.00% | +13,668+14.2% | Added |
| Stephens Inc | 107,898 | $1.48M | 0.03% | +32,879+43.8% | Added |
| Morgan Stanley | 104,780 | $1.44M | 0.00% | +15,916+17.9% | Added |
| Two Sigma Advisers, LP | 93,000 | $1.28M | 0.00% | −19,300−17.2% | Reduced |
| Stonepine Capital Management, LLC | 91,978 | $1.26M | 0.46% | −200,888−68.6% | Reduced |
| Algert Global LLC | 89,072 | $1.22M | 0.05% | +19,690+28.4% | Added |
| Goldman Sachs Group Inc | 81,721 | $1.12M | 0.00% | −56,193−40.7% | Reduced |
| Public Employees Retirement System of Ohio | 81,575 | $1.12M | 0.00% | +14,870+22.3% | Added |
| Bank of New York Mellon Corp | 80,083 | $1.10M | 0.00% | −1,285−1.6% | Reduced |
| Advisors Capital Management, LLC | 79,572 | $1.09M | 0.03% | +48,513+156.2% | Added |
| Brinker Capital Investments, LLC | 77,550 | $1.06M | 0.01% | +47,885+161.4% | Added |
| Orion Portfolio Solutions, LLC | 77,550 | $1.06M | 0.01% | +47,885+161.4% | Added |
| Numerai GP LLC | 67,200 | $922.0K | 0.19% | +67,200 | New |
| ExodusPoint Capital Management, LP | 63,773 | $875.0K | 0.01% | +41,292+183.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 61,545 | $844.4K | 0.00% | +19,363+45.9% | Added |
| Citadel Advisors LLC | 56,283 | $772.2K | 0.00% | −604,673−91.5% | Reduced |
| Swiss National Bank | 55,200 | $757.3K | 0.00% | +6,800+14.0% | Added |
| JPMorgan Chase & Co | 51,498 | $706.6K | 0.00% | +7,170+16.2% | Added |
| Cubist Systematic Strategies, LLC | 47,890 | $657.1K | 0.01% | +12,773+36.4% | Added |
| Alliancebernstein L.P. | 44,690 | $613.1K | 0.00% | +22,190+98.6% | Added |
| Bank of America Corp | 44,641 | $612.5K | 0.00% | −12,521−21.9% | Reduced |
| Gsa Capital Partners LLP | 40,915 | $561.0K | 0.06% | +8,626+26.7% | Added |
| TownSquare Capital, LLC | 37,694 | $517.2K | 0.01% | +24,798+192.3% | Added |
| Schonfeld Strategic Advisors LLC | 37,530 | $514.9K | 0.00% | +11,786+45.8% | Added |
| Rhumbline Advisers | 37,309 | $511.9K | 0.00% | −1,986−5.1% | Reduced |
| Envestnet Asset Management Inc | 35,514 | $487.3K | 0.00% | +10,849+44.0% | Added |
| ABG Innovation Capital Partners III GP Ltd | 33,626 | $461.3K | 63.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 31,900 | $437.7K | 0.00% | +9,276+41.0% | Added |
| Credit Suisse AG | 30,914 | $424.1K | 0.00% | +3,124+11.2% | Added |
| Perkins Capital Management Inc | 30,585 | $420.0K | 0.37% | −525−1.7% | Reduced |
| California State Teachers Retirement System | 30,565 | $419.4K | 0.00% | +1,765+6.1% | Added |
| Simon Quick Advisors, LLC | 29,062 | $398.7K | 0.04% | +3,062+11.8% | Added |
| Signaturefd, LLC | 28,390 | $389.5K | 0.01% | +8,982+46.3% | Added |
| STRS Ohio | 28,100 | $385.0K | 0.00% | +1,000+3.7% | Added |
| Parallel Advisors, LLC | 27,055 | $371.2K | 0.01% | +4,986+22.6% | Added |
| Knights of Columbus Asset Advisors LLC | 25,871 | $354.9K | 0.03% | +58+0.2% | Added |
| Invesco Ltd. | 23,719 | $325.4K | 0.00% | +814+3.6% | Added |
| Jane Street Group, LLC | 23,162 | $317.8K | 0.00% | +23,162 | New |
| Legal & General Group Plc | 20,609 | $282.8K | 0.00% | +10,115+96.4% | Added |
| Fan Yu | 20,592 | $282.5K | 22.16% | 00.0% | Unchanged |
| DFPG Investments, LLC | 16,152 | $275.6K | 0.02% | +16,152 | New |
| Jump Financial, LLC | 19,700 | $270.3K | 0.01% | +2,300+13.2% | Added |
| Verition Fund Management LLC | 17,642 | $242.0K | 0.00% | +17,642 | New |
| UBS Group AG | 17,305 | $237.4K | 0.00% | +6,731+63.7% | Added |
| Capital Impact Advisors, LLC | 16,554 | $227.1K | 0.25% | +1,102+7.1% | Added |
| Point72 Middle East FZE | 15,728 | $215.8K | 0.01% | +15,728 | New |
| Price T Rowe Associates Inc | 15,466 | $213.0K | 0.00% | +182+1.2% | Added |
| Putnam Investments LLC | 15,512 | $212.8K | 0.00% | +1,056+7.3% | Added |
| Isthmus Partners, LLC | 15,342 | $210.5K | 0.03% | −49,130−76.2% | Reduced |
| Commonwealth Equity Services, LLC | 15,296 | $210.0K | 0.00% | +15,296 | New |
| Prudential Financial Inc | 14,765 | $202.6K | 0.00% | −8,200−35.7% | Reduced |
| Harbor Capital Advisors, Inc. | 14,264 | $195.7K | 0.04% | +14,264 | New |
| Claybrook Capital, LLC | 13,526 | $185.6K | 0.10% | 00.0% | Unchanged |
| American Century Companies Inc | 13,430 | $184.3K | 0.00% | +13,430 | New |
| Channing Capital Management, LLC | 13,403 | $183.9K | 0.01% | +13,403 | New |
| Polar Capital Holdings Plc | 13,398 | $183.8K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 12,941 | $177.6K | 0.01% | +10,396+408.5% | Added |
| Truist Financial Corp | 12,899 | $177.0K | 0.00% | +12,899 | New |
| Qube Research & Technologies Ltd | 12,699 | $174.2K | 0.00% | +12,699 | New |
| MetLife Investment Management | 12,369 | $169.7K | 0.00% | 00.0% | Unchanged |
| Pictet & Cie (Europe) SA | 12,266 | $168.3K | 0.01% | −474−3.7% | Reduced |
| American International Group, Inc. | 11,958 | $164.1K | 0.00% | +116+1.0% | Added |
| Susquehanna International Group, LLP | 11,551 | $158.5K | 0.00% | −166−1.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 11,520 | $158.1K | 0.00% | −53−0.5% | Reduced |
| Wells Fargo & Company | 11,412 | $156.6K | 0.00% | +5,578+95.6% | Added |
| Great West Life Assurance Co | 11,233 | $155.0K | 0.00% | +2,829+33.7% | Added |
| Citigroup Inc | 11,173 | $153.3K | 0.00% | +8,427+306.9% | Added |
| Deutsche Bank AG | 10,861 | $149.0K | 0.00% | −4,370−28.7% | Reduced |
| Manufacturers Life Insurance Company, The | 10,345 | $141.9K | 0.00% | +711+7.4% | Added |