Iterum Therapeutics plc
Iterum Therapeutics plc (ITRM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ITRM · as of Sep 30, 2025
Ownership Breakdown
4
Institutional Holders
▲ 1 vs Q2
$129,831
Total Inst. Value
▲ $42,656 vs Q2
53.29M
Shares Outstanding
freeFloat 98.27%
193,779
13F Shares Held
▲ 106,166 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
ITRM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 5 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
CAPTRUST FINANCIAL ADVISORS pharmaceutical preparations | 111.6K | 27.95% | 27.95% | $74.77M | Nov 19, 2025 | ▲ 100.1K |
GEN-WEALTH PARTNERS INC pharmaceutical preparations | 82.0K | 20.55% | 20.55% | $54.97M | Nov 14, 2025 | NEW |
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC pharmaceutical preparations | 66 | 0.02% | 0.02% | $44,000 | Oct 22, 2025 | — held |
CYPRESS CAPITAL MANAGEMENT LLC (WY) pharmaceutical preparations | 66 | 0.02% | 0.02% | $44,000 | Nov 3, 2025 | NEW |
CREATIVE FINANCIAL DESIGNS INC /ADV pharmaceutical preparations | 0 | 0.00% | 0.00% | $0 | Nov 12, 2025 | EXIT |
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
1
Increased
+100.1K shares2
New Positions
first time holders0
Decreased
−0 shares1
Sold Out
fully exitedNet shares change (top 50)
+100.1K
+100.1K / −0
Net new holders
+2
2 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ITRM insider trading · insider activity
Source: SEC Form 4
1
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
Iterum Therapeutics plc (ITRM) is primarily owned by institutional investors, who hold approximately 0.4% of total shares outstanding. Company insiders own approximately 1.73%, while retail and public investors account for the remaining 97.91%.
The largest institutional shareholder of Iterum Therapeutics plc is CAPTRUST FINANCIAL ADVISORS, holding approximately 111,600 shares — equal to 27.95% of outstanding shares — as of September 30, 2025.
A total of 4 institutional investors currently hold ITRM stock, with a combined institutional value of approximately $129,831 as of the most recent 13F filing period.
Frequently asked questions
ITRM ownershipIterum Therapeutics plc (ITRM) is primarily owned by institutional investors, who hold approximately 0.4% of shares. The largest shareholder is CAPTRUST FINANCIAL ADVISORS with a 27.95% stake. Company insiders hold 1.73%. Data sourced from SEC Form 13F as of September 30, 2025.