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PLYX POLARYX THERAPEUTICS INC

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COM SHS (common), issuer CIK 2075320

11 managers (13 13F filers) reported a position in PLYX shares at 2026-06-30, 2,193,099 shares in all. 4 filers opened a position and 5 filers sold out during the quarter.

Managers
11
13F filers
13
New
4
Added
3
Reduced
2
Sold out
5
Shares held by filers
2,193,099

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCgroup of 3 filers holding1,769,262$4.71M0Timeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC170,998$455K<0.01%+32513F-HRTimelineGroup
HRT FINANCIAL LP82,094$218K<0.01%new13F-HRTimeline
STATE STREET CORPin group STATE STREET CORP58,104$155K<0.01%013F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.41,012$109K<0.01%013F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC31,441$83.6K<0.01%new13F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP27,987$74.4K<0.01%013F-HRTimelineGroup
Allworth Financial LP7,727$20.6K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,002$7.99K<0.01%+1,22113F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,283$3.41K<0.01%-12,19613F-HRTimelineGroup
Fortitude Family Office, LLC189$503<0.01%new13F-HRTimeline