Skip to main content

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, Q3 2021

Institutional positions in Iterum Therapeutics plc as of Sep 30, 2021. 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
42
−1 vs. Q2 2021
Shares held
6.18M
−4.99M (−44.7%) vs. Q2 2021
Total value
$3.45M
−$21.6M (−86.2%) vs. Q2 2021
New holders
9
6 more added
Sold out
10
7 more reduced

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 42 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 heldQ3 2021: $3.45M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Iterum Therapeutics plc; share changes are against Q2 2021.

Institutions holding ITRM in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Canaan Partners X LLC1,733,170$967.0K0.28%00.0%Unchanged
New Leaf Venture Partners, L.L.C.1,456,303$813.0K0.23%00.0%Unchanged
Renaissance Technologies LLC644,567$360.0K0.00%−2,644,733−80.4%Reduced
Morgan Stanley456,410$255.0K0.00%+399,385+700.4%Added
Franklin Resources Inc384,200$215.0K0.00%+384,200New
FineMark National Bank & Trust300,000$168.0K0.01%00.0%Unchanged
Grimes & Company, Inc.158,909$89.0K0.00%+12,631+8.6%Added
Millennium Management LLC130,691$73.0K0.00%−2,429,690−94.9%Reduced
Geode Capital Management, LLC129,271$72.0K0.00%+28,169+27.9%Added
Verition Fund Management LLC112,500$63.0K0.00%00.0%Unchanged
Focused Wealth Management, Inc100,000$56.0K0.01%00.0%Unchanged
Edmond de Rothschild Holding S.A.100,000$56.0K0.00%00.0%Unchanged
Krilogy Financial LLC81,000$45.0K0.00%+50,000+161.3%Added
Susquehanna Fundamental Investments, LLC66,230$37.0K0.00%00.0%Unchanged
Brown Advisory Inc60,000$34.0K0.00%+60,000New
Squarepoint Ops LLC52,503$29.0K0.00%+27,121+106.9%Added
XTX Topco Ltd37,104$21.0K0.01%+37,104New
Commonwealth Equity Services, LLC22,000$12.0K0.00%+10,300+88.0%Added
Geneos Wealth Management Inc.15,000$9.00K0.00%+15,000New
Savant Capital, LLC13,888$8.00K0.00%00.0%Unchanged
Wells Fargo & Company13,585$8.00K0.00%00.0%Unchanged
Two Sigma Advisers, LP14,800$8.00K0.00%+14,800New
UBS Group AG12,085$7.00K0.00%−17,148−58.7%Reduced
BlackRock Inc.12,241$7.00K0.00%00.0%Unchanged
Jane Street Group, LLC12,782$7.00K0.00%+12,782New
Valeo Financial Advisors, LLC12,600$7.00K0.00%+12,600New
Sigma Planning Corp11,500$6.00K0.00%−5,653−33.0%Reduced
Lido Advisors, LLC12,000$6.00K0.00%+12,000New
The PNC Financial Services Group, Inc.6,500$4.00K0.00%00.0%Unchanged
Koshinski Asset Management, Inc.5,000$2.79K0.00%+5,000New
American Portfolios Advisors2,000$1.12K0.00%00.0%Unchanged
Kelly Financial Services LLC1,800$1.00K0.00%−2,358−56.7%Reduced
Advisor Group Holdings, Inc.1,280$1.00K0.00%−2,000−61.0%Reduced
US Bancorp2,000$1.00K0.00%00.0%Unchanged
IFP Advisors, Inc2,000$1.00K0.00%00.0%Unchanged
Cypress Capital Management LLC (WY)1,000$1.00K0.00%00.0%Unchanged
Bollard Group LLC724$00.00%00.0%Unchanged
Bedel Financial Consulting, Inc.20$00.00%−1,000−98.0%Reduced
Ancora Advisors, LLC578$00.00%00.0%Unchanged
Private Ocean, LLC400$00.00%00.0%Unchanged
HM Payson & Co50$00.00%00.0%Unchanged
Larson Financial Group LLC200$00.00%00.0%Unchanged
Two Sigma Investments, LP0$00.00%−528,553−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−116,382−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−89,431−100.0%Sold out
Virtu Financial LLC0$00.00%−83,658−100.0%Sold out
Citadel Advisors LLC0$00.00%−69,354−100.0%Sold out
National Asset Management, Inc.0$00.00%−32,100−100.0%Sold out
Insight Advisors, LLC0$00.00%−35,000−100.0%Sold out
Lincoln National Corp0$00.00%−10,000−100.0%Sold out
FMR LLC0$00.00%−4−100.0%Sold out
Advisory Services Network, LLC0$00.00%−85−100.0%Sold out
QS Investors, LLC––––Not filed
Hoover Financial Advisors, Inc.––––Not filed