PLRZ
Polyrizon Ltd.Company with tickers: PLRZ
CIK
1893645
CUSIP
M79549206
Shares Outstanding
1,871,848
13F Activity (30d)
3 filings
3 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: 4
Total Value: $419,019
Total Shares: 35,875
Institutional Ownership Trend
Holder Concentration
Across 4 13F filers · Δ vs Dec 31, 2025Top Holder
68.5%
−24.6 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
5,503
Highly concentrated
−3,213
Quarterly Activity
vs Dec 31, 2025
New
3
Increased
0
Decreased
1
Sold Out
2
Unchanged
0
Holder count:
+1
Institutional value:
+227.5%
Shares held:
+138.1%
Top Buyers
vs Dec 31, 2025No qualifying movers this quarter.
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega CITIGROUP INC | −12 | 1 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small FNY Investment Advisers, LLC | 24,575 | $287,036 | |
| Mega CITADEL ADVISORS LLC | 10,149 | $118,540 | |
| Micro Legacy Wealth Managment, LLC/ID | 1,150 | $13,432 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega JANE STREET GROUP, LLC | 14,032 | $119,131 | |
| Mega UBS Group AG | 1,025 | $8,702 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small FNY Investment Advisers, LLC | $287,036 | 68.50% | 24,575 | Shares | Sole | 2026-04-15 | ||||
| Mega CITADEL ADVISORS LLC | $118,540 | 28.29% | 10,149 | Shares | Defined | 2026-05-15 | ||||
| Micro Legacy Wealth Managment, LLC/ID | $13,432 | 3.21% | 1,150 | Shares | Sole | 2026-05-07 | ||||
| Mega CITIGROUP INC | $11 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
| No holders match your search. | ||||||||||