Latest Period
Q2 2026
Security Snapshot
PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI) Institutional Ownership
CUSIP: 74587V107
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
160
Shares (Excl. Options)
38,671,306
Price
$8.11
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- Security type / class
- Equity / Common Stock
- Symbol
- PBYI on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 38,671,306
- Total 13F value
- $313,598,351
- Portfolio coverage rank
- 0%
- Share change
- +840,688
- Value change
- +$7,135,395
- Number of holders
- 160
- Shares outstanding
- 49,633,071
- SEC-reported price per share
- $8.11
- Insider filing price
- $8.11
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock is tracked under CUSIP 74587V107.
- 160 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 156 to 160 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $241,840,570 to $313,598,351.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 160 institutions filings for Q2 2026.
Security key
74587V107
Latest holder period
Q2 2026
13F holders
160
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
PBYI full holder history
PUMA BIOTECHNOLOGY, INC. SEC filings
PUMA BIOTECHNOLOGY, INC. company facts
PUMA BIOTECHNOLOGY, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 74587V107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
PBYI
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| ACORN BIOVENTURES, L.P. | 8% | +19% | $11,859,557 | +$1,988,442 | 3,940,052 | +20% | Anders Hove | 31 Dec 2024 |
| BlackRock, Inc. | 5.6% | $8,366,151 | 2,779,452 | BlackRock, Inc. | 31 Mar 2025 | |||
| MILLENNIUM MANAGEMENT LLC | 3.9% | $5,701,319 | 1,894,126 | Millennium Management LLC | 31 Dec 2024 |
As of 30 Jun 2026, 160 institutional investors reported holding 38,671,306 shares of PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI). This represents 78% of the company’s total 49,633,071 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
65%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ACORN CAPITAL ADVISORS, LLC | 8.3% | 4,131,299 | 0% | 9.1% | $33,504,835 |
| BlackRock, Inc. | 7.7% | 3,804,736 | +5.7% | 0% | $30,856,410 |
| AMERICAN CENTURY COMPANIES INC | 4.7% | 2,319,996 | +21% | 0.01% | $18,815,168 |
| ACADIAN ASSET MANAGEMENT LLC | 4.1% | 2,053,523 | +0.58% | 0.02% | $16,649,000 |
| RENAISSANCE TECHNOLOGIES LLC | 3.7% | 1,836,213 | -5.5% | 0.02% | $14,891,687 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7% | 1,835,643 | +0.99% | 0% | $14,887,065 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7% | 1,825,599 | +5.2% | 0% | $14,805,608 |
| LSV ASSET MANAGEMENT | 3.3% | 1,617,981 | +37% | 0.02% | $13,122,000 |
| DIMENSIONAL FUND ADVISORS LP | 3.1% | 1,518,014 | +5.7% | 0% | $12,311,629 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.7% | 1,339,405 | +32% | 0% | $10,864,667 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 2.3% | 1,123,783 | -1.3% | 0.04% | $9,113,880 |
| STATE STREET CORP | 1.9% | 952,165 | +3.8% | 0% | $7,722,058 |
| KENNEDY CAPITAL MANAGEMENT LLC | 1.8% | 873,253 | -1.8% | 0.13% | $7,082,082 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.6% | 791,616 | +2.1% | 0.11% | $6,420,006 |
| RITHOLTZ WEALTH MANAGEMENT | 1.5% | 749,798 | -3.2% | 0.09% | $6,080,862 |
| AQR CAPITAL MANAGEMENT LLC | 1.5% | 725,192 | -9.4% | 0% | $5,881,307 |
| GOLDMAN SACHS GROUP INC | 1.3% | 669,156 | -0.08% | 0% | $5,426,855 |
| NORTHERN TRUST CORP | 1.3% | 652,386 | +1.7% | 0% | $5,290,851 |
| Connor, Clark & Lunn Investment Management Ltd. | 1.3% | 642,946 | -18% | 0.01% | $5,214,292 |
| UBS Group AG | 1.3% | 636,761 | +19% | 0% | $5,164,131 |
| MILLENNIUM MANAGEMENT LLC | 1.2% | 602,240 | -59% | 0% | $4,884,166 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.1% | 532,450 | -1.1% | 0% | $4,318,170 |
| SEI INVESTMENTS CO | 0.84% | 418,669 | -18% | 0% | $3,395,406 |
| GLOBEFLEX CAPITAL L P | 0.77% | 382,807 | +9.5% | 0.4% | $3,104,565 |
| Bank of New York Mellon Corp | 0.73% | 360,734 | +3.7% | 0% | $2,925,553 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 38,671,306 | $313,598,351 | +$7,135,395 | $8.11 | 160 |
| 2026 Q1 | 37,858,675 | $241,840,570 | +$16,254,424 | $6.39 | 156 |
| 2025 Q4 | 35,345,329 | $210,235,242 | +$5,397,552 | $5.95 | 151 |
| 2025 Q3 | 34,380,273 | $182,532,985 | +$11,531,913 | $5.31 | 131 |
| 2025 Q2 | 32,782,327 | $112,437,236 | +$8,596,760 | $3.43 | 121 |
| 2025 Q1 | 30,413,709 | $90,020,693 | +$2,952,602 | $2.96 | 116 |
| 2024 Q4 | 29,394,127 | $89,648,308 | -$7,801,084 | $3.05 | 111 |
| 2024 Q3 | 29,741,414 | $75,860,432 | -$5,784,759 | $2.55 | 100 |
| 2024 Q2 | 30,964,332 | $100,942,686 | -$1,236,662 | $3.26 | 98 |
| 2024 Q1 | 29,743,016 | $157,668,204 | +$17,052,475 | $5.30 | 93 |
| 2023 Q4 | 26,608,129 | $115,214,198 | +$4,767,738 | $4.33 | 82 |
| 2023 Q3 | 25,704,166 | $67,598,924 | -$2,428,856 | $2.63 | 67 |
| 2023 Q2 | 26,576,438 | $93,807,644 | -$4,382,380 | $3.53 | 67 |
| 2023 Q1 | 27,855,345 | $86,065,002 | -$527,663 | $3.09 | 77 |
| 2022 Q4 | 27,496,427 | $116,318,396 | -$138,759 | $4.23 | 86 |
| 2022 Q3 | 27,643,484 | $65,508,451 | -$1,989,453 | $2.37 | 71 |
| 2022 Q2 | 27,896,143 | $79,494,556 | -$4,139,901 | $2.85 | 77 |
| 2022 Q1 | 29,904,506 | $86,071,643 | -$477,483 | $2.88 | 95 |
| 2021 Q4 | 30,286,741 | $92,179,926 | -$39,504,988 | $3.04 | 96 |
| 2021 Q3 | 32,161,600 | $225,498,183 | -$28,665,006 | $7.01 | 112 |
| 2021 Q2 | 34,758,681 | $319,233,355 | -$17,282,962 | $9.18 | 118 |
| 2021 Q1 | 36,622,682 | $355,897,814 | +$13,747,740 | $9.72 | 117 |
| 2020 Q4 | 35,303,327 | $362,460,750 | -$9,270,334 | $10.26 | 120 |
| 2020 Q3 | 38,674,035 | $390,198,466 | +$12,930,607 | $10.09 | 128 |
| 2020 Q2 | 35,087,132 | $365,869,787 | -$6,707,284 | $10.43 | 124 |