Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PTN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DRIEHAUS CAPITAL MANAGEMENT LLC | 167K | $2.9M | 0.0% | 15.177% | 0.02% |
| 2 | Logos Global Management LP | 140K | $2.4M | 0.0% | 12.745% | 0.12% |
| 3 | JANUS HENDERSON GROUP PLC | 140K | $2.4M | 0.0% | 12.745% | 0.00% |
| 4 | RA CAPITAL MANAGEMENT, L.P. | 70K | $1.2M | 0.0% | 6.372% | 0.01% |
| 5 | PERCEPTIVE ADVISORS LLC | 62K | $1.1M | -11.5% | 5.639% | 0.02% |
| 6 | BALYASNY ASSET MANAGEMENT LLC | 41K | $717K | β | 3.748% | 0.00% |
| 7 | SUPERSTRING CAPITAL MANAGEMENT LP | 36K | $627K | +5.9% | 3.274% | 0.45% |
| 8 | MORGAN STANLEY | 27K | $475K | -0.0% | 2.483% | 0.00% |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 19K | $331K | β | 1.728% | 0.00% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 19K | $322K | +4.5% | 1.684% | 0.00% |
| 11 | Miller Financial Services LLC | 13K | $219K | β | 1.147% | 0.24% |
| 12 | LPL Financial LLC | 13K | $219K | β | 1.143% | 0.00% |
| 13 | CITADEL ADVISORS LLC | 11K | $193K | β | 1.010% | 0.00% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 9K | $153K | β | 0.799% | 0.00% |
| 15 | UBS Group AG | 3K | $58K | +298.2% | 0.303% | 0.00% |
| 16 | Vanguard Global Advisers, LLC | 1K | $22K | β | 0.114% | 0.00% |
| 17 | Tower Research Capital LLC (TRC) | 338 | $6K | β | 0.031% | 0.00% |
| 18 | JONES FINANCIAL COMPANIES LLLP | 150 | $3K | β | 0.014% | 0.00% |
| 19 | ADVISOR GROUP HOLDINGS, INC. | 169 | $3K | +745.0% | 0.015% | 0.00% |
| 20 | US BANCORP \DE\ | 125 | $2K | 0.0% | 0.011% | 0.00% |
| 21 | Advisory Services Network, LLC | 35 | $610 | β | 0.003% | 0.00% |
| 22 | SBI Securities Co., Ltd. | 13 | $226 | +160.0% | 0.001% | 0.00% |
| 23 | WELLS FARGO & COMPANY/MN | 8 | $139 | 0.0% | 0.001% | 0.00% |
| 24 | MAI Capital Management | 2 | $35 | 0.0% | 0.000% | 0.00% |
| 25 | CITIGROUP INC | 0 | $7 | β | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in PTN β a direct measure of their conviction.
Filings activity in PTN during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 26 | +18% | 89.87% | +2.85 pp | $13M | +3.3% |
| Q4 2025 | 22 | +2100% | 87.02% | +20.34 pp | $13M | +31% |
| Q3 2024 | 1 | +0.0% | 66.68% | +66.68 pp | $10M | +6387721% |
| Q2 2024 | 1 | +0.0% | 0.00% | +0.00 pp | $0M | +4.0% |
| Q1 2024 | 1 | 99% | 0.00% | 93.30 pp | $0M | 100% |
| Q2 2021 | 67 | 4.3% | 93.30% | 32.80 pp | $14M | 26% |
| Q1 2021 | 70 | 5.4% | 126.10% | 73.89 pp | $19M | 56% |
| Q4 2020 | 74 | β | 199.99% | β | $43M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PTN stock.
Based on Q1 2026 13F filings, institutional ownership of Palatin Technologies, Inc. stands at 89.9%, held across 26 reporting institutions.
DRIEHAUS CAPITAL MANAGEMENT LLC is the largest reported institutional holder of PTN, with approximately 166,713 shares worth $0.00B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of PTN, including CITADEL ADVISORS LLC.
Our composite Smart Money Score for PTN is 62 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
12 institutions opened new positions in PTN during Q1 2026, while 8 fully exited. 14 added to existing positions and 0 trimmed.
PTN institutional ownership rose by 2.85 percentage points quarter-over-quarter, with a net change of +4 holders.
The top 10 institutions account for 93.5% of all reported 13F value in PTN, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Palatin Technologies, Inc. (PTN) Institutional Ownership