PLYX · Polaryx Therapeutics, Inc.
$2.07
-0.05 (-2.13%)
At close · Aug 28
Going-concern doubt
— flagged Aug 13, 2026
Substantial doubt about the company's ability to continue as a going concern.
“These matters, along with the conditions described above, raise substantial doubt about the Company's ability to continue as a going concern for a period of twelve months from the date these financial statements were available to be issued.”View the 10-Q filed Aug 13, 2026
Market Cap
$101.19M
Shares
49.85M
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: 13
Total Value: $5,833,635
Total Shares: 2,193,099
Institutional Ownership Trend
2 quarters
Holder Concentration
Across 13 13F filers · Δ vs Mar 31, 2026Top Holder
75.6%
+2.4 pts
Top 5
94.6%
+1.1 pts
Top 10
99.8%
+0.9 pts
HHI
5,827
Highly concentrated+353
Quarterly Activity
vs Mar 31, 2026
New
4
Increased
3
Decreased
2
Sold Out
5
Unchanged
4
Holder count:
-1
Institutional value:
-66.0%
Shares held:
-3.3%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid Tower Research Capital LLC (TRC) | +1,221 | 3,002 | |
| Mega VANGUARD FIDUCIARY TRUST CO | +516 | 105,072 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +325 | 170,998 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | −12,196 | 1,283 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | −516 | 1,657,872 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Large HRT FINANCIAL LP | 82,094 | $218,370 | |
| Mega JANE STREET GROUP, LLC | 31,441 | $83,632 | |
| Mid Allworth Financial LP | 7,727 | $20,553 | |
| Small Fortitude Family Office, LLC | 189 | $502 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega MILLENNIUM MANAGEMENT LLC | 127,525 | $964,089 | |
| Mega BANK OF AMERICA CORP /DE/ | 25,881 | $195,660 | |
| Mega GOLDMAN SACHS GROUP INC | 13,483 | $101,931 | |
| Large Squarepoint Ops LLC | 12,406 | $93,789 | |
| Mega MORGAN STANLEY | 5,543 | $41,904 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $4,409,939 | 75.60% | 1,657,872 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $454,854 | 7.80% | 170,998 | Shares | 2026-08-12 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $279,491 | 4.79% | 105,072 | Shares | 2026-08-13 | |
| Large HRT FINANCIAL LP | $218,370 | 3.74% | 82,094 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP | $154,556 | 2.65% | 58,104 | Shares | 2026-08-07 | |
| Mega BlackRock, Inc. | $109,091 | 1.87% | 41,012 | Shares | 2026-08-07 | |
| Mega JANE STREET GROUP, LLC | $83,632 | 1.43% | 31,441 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $74,445 | 1.28% | 27,987 | Shares | 2026-08-13 | |
| Mid Allworth Financial LP | $20,553 | 0.35% | 7,727 | Shares | 2026-08-11 | |
| Mega Vanguard Global Advisers, LLC | $16,805 | 0.29% | 6,318 | Shares | 2026-08-13 | |
| Mid Tower Research Capital LLC (TRC) | $7,985 | 0.14% | 3,002 | Shares | 2026-08-11 | |
| Mega UBS Group AG | $3,412 | 0.06% | 1,283 | Shares | 2026-08-13 | |
| Small Fortitude Family Office, LLC Family Office | $502 | 0.01% | 189 | Shares | 2026-07-20 |
Key facts
CIK
2075320
CUSIP
73110F100
13F (30d)
12 filings
12 filers
Visit website
Investor relations