Iterum Therapeutics plc - Ordinary Shares, $0.01 par value per share (ITRM) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2022 to Q4 2025

Type / Class
Equity / Ordinary Shares, $0.01 par value per share
Symbol
ITRM on Nasdaq
Shares outstanding
28,961,082
Price per share
$0.32
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
1,442,132
Total reported value
$482,460
% of total 13F portfolios
0%
Share change
+16,316
Value change
-$241,357
Number of holders
14
Price from insider filings
$0.32
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Iterum Therapeutics plc - Ordinary Shares, $0.01 par value per share (ITRM) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ARMISTICE CAPITAL, LLC 5% $1,820,899 1,445,158 Armistice Capital, LLC 31 Dec 2024

As of 31 Dec 2025, 14 institutional investors reported holding 1,442,132 shares of Iterum Therapeutics plc - Ordinary Shares, $0.01 par value per share (ITRM). This represents 5% of the company’s total 28,961,082 outstanding shares.

Institutional Holders of Iterum Therapeutics plc - Ordinary Shares, $0.01 par value per share (ITRM) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 1,442,132 $482,460 -$241,357 $0.34 14
2025 Q3 1,156,930 $773,145 -$1,029,184 $0.67 18
2025 Q2 2,279,287 $2,267,892 +$1,239,828 $1.00 18
2025 Q1 1,026,920 $1,263,113 -$169,683 $1.23 16
2024 Q4 1,170,433 $2,067,781 -$600,385 $1.77 19
2024 Q3 2,040,704 $2,224,369 +$1,747,783 $1.09 15
2024 Q2 431,516 $494,661 -$755,283 $1.14 14
2024 Q1 928,604 $1,430,148 +$822,709 $1.54 15
2023 Q4 386,502 $761,362 -$56,672 $1.97 14
2023 Q3 226,747 $183,892 -$164,857 $0.80 13
2023 Q2 367,383 $393,321 +$195,367 $1.07 14
2023 Q1 186,639 $187,168 -$86,602 $1.00 15
2022 Q4 289,053 $243,384 +$35,117 $0.84 16
2022 Q3 206,491 $333,409 +$333,409 $1.61 13