Latest Period
Q1 2026
Security Snapshot
Polaryx Therapeutics, Inc. - Common stock, par value $0.0001 per share ("Common Stock") (PLYX) Institutional Ownership
CUSIP: 73110F100
13F Institutional Holders and Ownership History for Q1 2026
Institutions Reporting
14
Shares (Excl. Options)
2,267,136
Price
$7.56
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- Security type / class
- Equity / Common stock, par value $0.0001 per share ("Common Stock")
- Symbol
- PLYX on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 2,267,136
- Total 13F value
- $17,140,152
- Portfolio coverage rank
- 0%
- Share change
- +497,874
- Value change
- +$3,764,532
- Number of holders
- 14
- Shares outstanding
- 47,384,992
- SEC-reported price per share
- $2.28
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- PLYX - Polaryx Therapeutics, Inc. - Common stock, par value $0.0001 per share ("Common Stock") is tracked under CUSIP 73110F100.
- 14 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Latest quarter on this page is Q1 2026.
- Additional quarter-over-quarter change detail appears as history expands.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 14 institutions filings for Q1 2026.
Security key
73110F100
Latest holder period
Q1 2026
13F holders
14
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
PLYX full holder history
Polaryx Therapeutics, Inc. SEC filings
Polaryx Therapeutics, Inc. company facts
Polaryx Therapeutics, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 73110F100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
PLYX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Mstone Partners Healthcare Ltd | 48% | 22,744,796 | Alex Keun Mo Yang | 29 Jan 2026 |
As of 31 Mar 2026, 14 institutional investors reported holding 2,267,136 shares of Polaryx Therapeutics, Inc. - Common stock, par value $0.0001 per share ("Common Stock") (PLYX). This represents 4.8% of the company’s total 47,384,992 outstanding shares.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
1
Latest
Q1 2026
Rows shown
1-1 of 1
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,267,136 | $17,140,152 | +$3,764,532 | $7.56 | 14 |