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PLYX · Polaryx Therapeutics, Inc.
> Ask across nine datasets ⌘K
LIVE
TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475
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PLYX

Polaryx Therapeutics, Inc.
PHARMA & BIOTECH · PHARMACEUTICAL PREPARATIONS · CIK 0002075320
C-SUITE BUYING · 1☆ WATCH
INSIDER NET · 180D
$360.0K
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
1
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
7
13F, latest reported quarter
REVENUE GROWTH
-
XBRL, annual
NET MARGIN
-
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net +$360.0K over 180 days
+$360.0K of it by a 10%+ holder
more than 82% of Pharma & Biotech
CONGRESS
no member of Congress has reported trading it
FUNDS
7 funds added or opened last quarter
below 91% of Pharma & Biotech
REVENUE
no revenue reported in any filing
MARGIN
no margin: this company reports no revenue to divide by
BUYBACKS
no share repurchases reported
SHORT
no short interest reported
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -94.3%
-94.3%12M
-95%-63%-32%+0%2026-022026-032026-042026-052026-062026-08 2026-05-27 · Mstone Partners Healthcare Ltd bought $360.0K2026-02-18 · Landis G. Michael bought $8.0K2026-02-05 · Mstone Partners Healthcare Limited filed a 5%+ stake (47.4%)2026-02-05 · MBstone Biotech Flagship Limited filed a 5%+ stake (0.4%)2026-02-05 · Mstone Pediaorphan Singapore I Pte. Limited filed a 5%+ stake (0.2%)2026-02-05 · Alex Keun Mo Yang filed a 5%+ stake (48.0%)
INSIDER BUY13D/G STAKE
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders are net buyers of their own stock.
The record shows a net $360.0K bought by insiders over 180 days, 7 funds added last quarter. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
UTHRCPIXMRNAREGNLLYALNYELFCITRMDGLDNAVRTXNUVL
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Polaryx Therapeutics, Inc. insiders bought a net $360.0K of stock across 2 Form 4 purchases and sales, with 1 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER
FILED
SHARES
VALUE
Mstone Partners Healthcare Ltd
Chief Executive Officer
BUY
2026-05-27
88,453.0
$360.0K
Landis G. Michael
Chief Financial Officer
BUY
2026-02-18
2,867.0
$8.0K
2 TRANSACTIONS ON RECORD · THIN RECORD, READ IT AS SUCH

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Institutional holders
13F · holdings as of the latest quarter funds have reported
VANGUARD CAPITAL MANAGEMENT LLC
1,657,872.0 sh
$4.4M
GEODE CAPITAL MANAGEMENT, LLC
170,998.0 sh
$455.1K
VANGUARD FIDUCIARY TRUST CO
105,072.0 sh
$279.5K
STATE STREET CORP
58,104.0 sh
$154.6K
BlackRock, Inc.
41,012.0 sh
$109.1K
5%+ owners
13D = intent to influence · 13G = passive
Mstone Partners Healthcare Limited
ACTIVIST 13D · 2026-02-05
47.4%
MBstone Biotech Flagship Limited
ACTIVIST 13D · 2026-02-05
0.4%
Mstone Pediaorphan Singapore I Pte. Limited
ACTIVIST 13D · 2026-02-05
0.2%
Alex Keun Mo Yang
ACTIVIST 13D · 2026-02-05
48.0%
FORM 144
No planned-sale notices
No insider has notified an intent to sell. This is the panel to watch after a run-up.
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
VANGUARD EXTENDED MARKET INDEX FUND
$1.1M POSITION · AS OF 2026-03-31
0.0%
VANGUARD TOTAL STOCK MARKET INDEX FUND
$11.1M POSITION · AS OF 2026-03-31
0.0%
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND
$165.2K POSITION · AS OF 2026-03-31
0.0%
VANGUARD BALANCED INDEX FUND
$196.3K POSITION · AS OF 2026-03-31
0.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Clinical pipeline
ClinicalTrials.gov · 2 registered trials, 1 still enrolling or running — a status change here is dated weeks before the press release
1
Phase 2
1 ACTIVE
1
Phase 3
0 ACTIVE
TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-12
OPERATING INCOME$-7.8M$-4.4M
NET INCOME$-9.0M$-30.4M
EPS (DILUTED)-0.20-0.89
OPERATING CASH FLOW$-3.9M$-2.6M
CASH$5.1M$4.6M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-06 ALL SYSTEMS LIVE FOR MACHINES →