ITRMF
Iterum Therapeutics plcCompany with tickers: ITRM
CIK
1659323
CUSIP
G6333L200
Shares Outstanding
53,291,578
13F Activity (30d)
11 filings
10 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 18
Total Value: $42,382
Total Shares: 1,413,064
Institutional Ownership Trend
15 quarters
Holder Concentration
Across 18 13F filers · Δ vs Dec 31, 2025Top Holder
63.0%
+19.4 pts
Top 5
88.7%
−4.7 pts
Top 10
99.6%
+0.1 pts
HHI
4,178
Highly concentrated+1,439
Quarterly Activity
vs Dec 31, 2025
New
11
Increased
3
Decreased
1
Sold Out
8
Unchanged
3
Holder count:
+3
Institutional value:
-91.2%
Shares held:
-2.1%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid Krilogy Financial LLC | +29,761 | 69,761 | |
| Large SG Americas Securities, LLC | +20,682 | 33,464 | |
| Mega MORGAN STANLEY | +10,000 | 15,713 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | −116,747 | 3,201 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Large HRT FINANCIAL LP | 890,083 | $26,702 | |
| Large CAPTRUST FINANCIAL ADVISORS | 138,600 | $4,158 | |
| Small Gen-Wealth Partners Inc | 82,617 | $2,478 | |
| Mid Jump Financial, LLC | 72,156 | $2,164 | |
| Mid XTX Topco Ltd | 49,380 | $1,481 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small Apollon Financial, LLC | 630,250 | $211,133 | |
| Mega JANE STREET GROUP, LLC | 289,410 | $96,952 | |
| Small Alchemi Wealth, LLC | 268,886 | $90,076 | |
| Mid Virtu Financial LLC | 22,062 | $7,390 | |
| Micro Ground Swell Capital, LLC | 20,477 | $6,859 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large HRT FINANCIAL LP | $26,702 | 63.00% | 890,083 | Shares | Defined | 2026-05-14 | ||||
| Large CAPTRUST FINANCIAL ADVISORS | $4,158 | 9.81% | 138,600 | Shares | Sole | 2026-05-15 | ||||
| Small Gen-Wealth Partners Inc | $2,478 | 5.85% | 82,617 | Shares | Sole | 2026-05-08 | ||||
| Mid Jump Financial, LLC | $2,164 | 5.11% | 72,156 | Shares | Defined | 2026-05-14 | ||||
| Mid Krilogy Financial LLC | $2,092 | 4.94% | 69,761 | Shares | Sole | 2026-04-17 | ||||
| Mid XTX Topco Ltd | $1,481 | 3.49% | 49,380 | Shares | Defined | 2026-05-15 | ||||
| Mid MAI Capital Management | $1,050 | 2.48% | 35,000 | Shares | Sole | 2026-05-15 | ||||
| Large SG Americas Securities, LLC Broker-Dealer | $1,003 | 2.37% | 33,464 | Shares | Sole | 2026-04-16 | ||||
| Small FLAGSHIP HARBOR ADVISORS, LLC | $600 | 1.42% | 20,000 | Shares | Sole | 2026-04-28 | ||||
| Mega MORGAN STANLEY | $471 | 1.11% | 15,713 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $96 | 0.23% | 3,201 | Shares | Defined | 2026-05-05 | ||||
| Small Medallion Wealth Advisors, LLC | $50 | 0.12% | 1,680 | Shares | Sole | 2026-04-24 | ||||
| Large OSAIC HOLDINGS, INC. | $29 | 0.07% | 993 | Shares | Defined | 2026-05-15 | ||||
| Small Activest Wealth Management | $3 | 0.01% | 133 | Shares | Sole | 2026-04-15 | ||||
| Mega WELLS FARGO & COMPANY/MN | $2 | 0.00% | 85 | Shares | Defined | 2026-05-11 | ||||
| Small BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC | $1 | 0.00% | 66 | Shares | Sole | 2026-05-11 | ||||
| Micro Robinswood Financial LLC | $1 | 0.00% | 66 | Shares | Sole | 2026-06-09 | ||||
| Micro Cypress Capital Management LLC (WY) | $1 | 0.00% | 66 | Shares | Sole | 2026-05-08 | ||||
| No holders match your search. | ||||||||||