$24.48
+0.24 (+1.01%)
Market Cap
$741.0M
Shares Outstanding
30,295,962
Institutional Holders
179
Total Inst. Value
$48.5B
% of Float Held
102.7%
QoQ Holder Change
+52
Institutional data as of Q1 2025
New Positions
33
Closed Positions
43
Increased
75
Decreased
52
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | CANADA PENSION PLAN INVESTMENT BOARD | $48.0B | 2,400 |
| 2 | BlackRock, Inc. | $59.7M | 2,983,540 |
| 3 | VANGUARD GROUP INC | $41.0M | 2,047,565 |
| 4 | PRINCIPAL FINANCIAL GROUP INC | $29.4M | 1,467,873 |
| 5 | Portolan Capital Management, LLC | $25.3M | 1,265,223 |
| 6 | DIMENSIONAL FUND ADVISORS LP | $24.0M | 1,200,222 |
| 7 | WASATCH ADVISORS LP | $20.0M | 998,455 |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | $16.6M | 828,528 |
| 9 | STATE STREET CORP | $14.3M | 715,028 |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $14.0M | 701,200 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| CANADA PENSION PLAN INVESTMENT BOARD | +2K | $48.0B |
| BlackRock, Inc. | +62K | $59.7M |
| VANGUARD GROUP INC | +215K | $41.0M |
| PRINCIPAL FINANCIAL GROUP INC | +32K | $29.4M |
| Portolan Capital Management, LLC | +489K | $25.3M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| WASATCH ADVISORS LP | -798K | $20.0M |
| UBS Group AG | -764K | $976K |
| CITADEL ADVISORS LLC | -576K | $5K |
| Bellevue Group AG | -445K | $6.0M |
| Point72 Asset Management, L.P. | -311K | $4.7M |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold CSTL?
As of Q1 2025, 179 institutional investors report holding CSTL (Castle Biosciences, Inc.) in their 13F filings.
What percentage of Castle Biosciences, Inc. is owned by institutions?
Institutional investors hold approximately 102.7% of Castle Biosciences, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most CSTL?
The largest institutional holder of CSTL is CANADA PENSION PLAN INVESTMENT BOARD with $48.0B in shares.
Are institutions buying or selling CSTL?
This quarter, 33 institutions opened new positions in CSTL and 43 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.