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Iterum Therapeutics plc

ITRMDelisted Jun 23, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0001659323

Iterum Therapeutics plc was delisted on Jun 23, 2026; its insiders filed their last Form 4 on Nov 20, 2025; 18 institutions reported holding it in 13F filings for Q1 2026, worth $41.3K in total; no superinvestor held it.

13F holders, Q4 2023

Institutional positions in Iterum Therapeutics plc as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
16
+1 vs. Q3 2023
Shares held
386.6K
+159.8K (+70.4%) vs. Q3 2023
Total value
$761.6K
+$577.6K (+314.0%) vs. Q3 2023
New holders
3
1 more added
Sold out
2
3 more reduced

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ITRM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2023: 16 institutions
Q1 2021: 50 institutionsQ2 2021: 45 institutionsQ3 2021: 42 institutionsQ4 2021: 45 institutionsQ1 2022: 41 institutionsQ2 2022: 39 institutionsQ3 2022: 25 institutionsQ4 2022: 23 institutionsQ1 2023: 17 institutionsQ2 2023: 17 institutionsQ3 2023: 15 institutionsQ4 2023: 16 institutionsQ1 2024: 18 institutionsQ2 2024: 15 institutionsQ3 2024: 18 institutionsQ4 2024: 24 institutionsQ1 2025: 20 institutionsQ2 2025: 24 institutionsQ3 2025: 24 institutionsQ4 2025: 20 institutionsQ1 2026: 18 institutionsQ2 2026: 2 institutions
Value heldQ4 2023: $761.6K
Q1 2021: $11.2MQ2 2021: $26.0MQ3 2021: $3.45MQ4 2021: $2.57MQ1 2022: $1.80MQ2 2022: $1.18MQ3 2022: $575.4KQ4 2022: $243.7KQ1 2023: $187.3KQ2 2023: $393.4KQ3 2023: $184.0KQ4 2023: $761.6KQ1 2024: $1.43MQ2 2024: $494.7KQ3 2024: $2.22MQ4 2024: $2.18MQ1 2025: $1.38MQ2 2025: $2.38MQ3 2025: $904.1KQ4 2025: $557.9KQ1 2026: $41.3KQ2 2026: $542
Institutions holding ITRM and their total value by quarter
QuarterHoldersValue
Q2 20262$542
Q1 202618$41.3K
Q4 202520$557.9K
Q3 202524$904.1K
Q2 202524$2.38M
Q1 202520$1.38M
Q4 202424$2.18M
Q3 202418$2.22M
Q2 202415$494.7K
Q1 202418$1.43M
Q4 202316$761.6K
Q3 202315$184.0K
Q2 202317$393.4K
Q1 202317$187.3K
Q4 202223$243.7K
Q3 202225$575.4K
Q2 202239$1.18M
Q1 202241$1.80M
Q4 202145$2.57M
Q3 202142$3.45M
Q2 202145$26.0M
Q1 202150$11.2M

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Iterum Therapeutics plc; share changes are against Q3 2023.

Institutions holding ITRM in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Apollon Financial, LLC200,000$394.0K0.16%+200,000New
New Leaf Venture Partners, L.L.C.97,084$191.3K0.15%00.0%Unchanged
Renaissance Technologies LLC49,922$98.0K0.00%+3,000+6.4%Added
Susquehanna International Group, LLP17,533$34.5K0.00%−30,123−63.2%Reduced
Royal Bank of Canada10,000$20.0K0.00%+10,000New
Morgan Stanley5,479$10.8K0.00%−8,471−60.7%Reduced
UBS Group AG4,949$9.75K0.00%+4,949New
Wells Fargo & Company1,285$2.53K0.00%00.0%Unchanged
Kelly Financial Services LLC120$2360.00%00.0%Unchanged
GWM Advisors LLC100$1970.00%00.0%Unchanged
Cypress Capital Management LLC (WY)66$1300.00%00.0%Unchanged
Ancora Advisors, LLC38$750.00%00.0%Unchanged
Larson Financial Group LLC13$260.00%00.0%Unchanged
Advisor Group Holdings, Inc.12$230.00%−12−50.0%Reduced
HM Payson & Co3$60.00%00.0%Unchanged
National Bank of Canada2$40.00%00.0%Unchanged
Citadel Advisors LLC0$00.00%−19,566−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−22−100.0%Sold out