
Immutep Limited
Immutep Limited (IMMP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IMMP · as of Sep 30, 2025
Ownership Breakdown
34
Institutional Holders
▲ 8 vs Q2
$3.68M
Total Inst. Value
▲ $929,317 vs Q2
147.37M
Shares Outstanding
freeFloat 88.21%
2.10M
13F Shares Held
▲ 426,097 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IMMP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. pharmaceutical preparations | 580.4K | 39.87% | 39.87% | $1.02B | Nov 12, 2025 | ▼ 19.5K |
MERIDIAN WEALTH MANAGEMENT, LLC pharmaceutical preparations | 420.9K | 28.91% | 28.91% | $736.58M | Nov 4, 2025 | ▲ 48.2K |
SENDER CO & PARTNERS, INC. pharmaceutical preparations | 215.9K | 14.83% | 14.83% | $377.76M | Nov 17, 2025 | ▲ 93.1K |
MORGAN STANLEY pharmaceutical preparations | 166.0K | 11.40% | 11.40% | $290.44M | May 27, 2026 | ▲ 46.5K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP pharmaceutical preparations | 95.3K | 6.54% | 6.54% | $166.69M | Nov 14, 2025 | ▲ 36.9K |
VERITION FUND MANAGEMENT LLC pharmaceutical preparations | 75.0K | 5.15% | 5.15% | $131.25M | Nov 14, 2025 | ▲ 31.0K |
JANE STREET GROUP, LLC pharmaceutical preparations | 55.5K | 3.80% | 3.80% | $97.05M | Nov 14, 2025 | ▲ 55.5K |
STEWARD PARTNERS INVESTMENT ADVISORY, LLC pharmaceutical preparations | 55.0K | 3.78% | 3.78% | $96.25M | Nov 12, 2025 | ▼ 6.0K |
MILLENNIUM MANAGEMENT LLC pharmaceutical preparations | 49.3K | 3.39% | 3.39% | $86.27M | Nov 14, 2025 | ▲ 49.3K |
CITADEL ADVISORS LLC pharmaceutical preparations | 44.1K | 3.03% | 3.03% | $77.13M | Nov 14, 2025 | ▲ 44.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
14
Increased
+462.4K shares9
New Positions
first time holders8
Decreased
−97.2K shares4
Sold Out
fully exitedNet shares change (top 50)
+365.2K
+462.4K / −97.2K
Net new holders
+11
9 new / 4 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IMMP insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Immutep Limited (IMMP) is primarily owned by institutional investors, who hold approximately 1.4% of total shares outstanding. Company insiders own approximately 11.79%, while retail and public investors account for the remaining 86.78%.
The largest institutional shareholder of Immutep Limited is BLACKROCK, INC., holding approximately 580,444 shares — equal to 39.87% of outstanding shares — as of September 30, 2025.
A total of 34 institutional investors currently hold IMMP stock, with a combined institutional value of approximately $3,680,444 as of the most recent 13F filing period.
Frequently asked questions
IMMP ownershipImmutep Limited (IMMP) is primarily owned by institutional investors, who hold approximately 1.4% of shares. The largest shareholder is BLACKROCK, INC. with a 39.87% stake. Company insiders hold 11.79%. Data sourced from SEC Form 13F as of September 30, 2025.