Who owns PUMA BIOTECHNOLOGY, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of PBYI from SEC Form 13F filings across 116 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 116 institutions disclosed 25.4M shares of PUMA BIOTECHNOLOGY, INC. worth $189.2M — about 49.9% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
116
13F holders
$189.2M
value, 2026 filers
49.9%
of shares outstanding (25.4M sh)
17
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of PBYI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.8M | $30.9M | 0.0% | 7.5% | +5.7% |
| 2 | AMERICAN CENTURY COMPANIES INC | 2.3M | $18.8M | 0.0% | 4.6% | +21.1% |
| 3 | ACADIAN ASSET MANAGEMENT LLC | 2.1M | $16,649 | 0.0% | 4% | +0.6% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | $14.9M | 0.0% | 3.6% | -49.5% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | $14.8M | 0.0% | 3.6% | +5.2% |
| 6 | RITHOLTZ WEALTH MANAGEMENT | 1.5M | $12.2M | 0.2% | 2.9% | +93.7% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $10.9M | 0.0% | 2.6% | +31.7% |
| 8 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 1.1M | $9.1M | 0.0% | 2.2% | -1.3% |
| 9 | GOLDMAN SACHS GROUP INC | 669,156 | $5.4M | 0.0% | 1.3% | -0.1% |
| 10 | NORTHERN TRUST CORP | 652,386 | $5.3M | 0.0% | 1.3% | +1.7% |
| 11 | Connor, Clark & Lunn Investment Management Ltd. | 642,946 | $5.2M | 0.0% | 1.3% | -17.9% |
| 12 | UBS Group AG | 636,761 | $5.2M | 0.0% | 1.3% | +19.2% |
| 13 | MILLENNIUM MANAGEMENT LLC | 602,240 | $4.9M | 0.0% | 1.2% | -59.2% |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 532,450 | $4.3M | 0.0% | 1% | -1.1% |
| 15 | SEI INVESTMENTS CO | 418,669 | $3.4M | 0.0% | 0.8% | -17.6% |
| 16 | Bank of New York Mellon Corp | 360,734 | $2.9M | 0.0% | 0.7% | +3.7% |
| 17 | D. E. Shaw & Co., Inc. | 316,343 | $2.6M | 0.0% | 0.6% | -9.9% |
| 18 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 309,106 | $2.5M | 0.0% | 0.6% | +13.3% |
| 19 | Invesco Ltd. | 301,002 | $2.4M | 0.0% | 0.6% | +216.7% |
| 20 | Russell Investments Group, Ltd. | 272,234 | $2.2M | 0.0% | 0.5% | +8.2% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 269,070 | $2.2M | 0.0% | 0.5% | +6.9% |
| 22 | MORGAN STANLEY | 265,670 | $2.2M | 0.0% | 0.5% | -26.1% |
| 23 | FEDERATED HERMES, INC. | 250,766 | $2.0M | 0.0% | 0.5% | +5.5% |
| 24 | PRUDENTIAL FINANCIAL INC | 213,599 | $1.7M | 0.0% | 0.4% | -15.6% |
| 25 | FMR LLC | 211,444 | $1.7M | 0.0% | 0.4% | +10.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.