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PLYX POLARYX THERAPEUTICS INC

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COM SHS (common), issuer CIK 2075320

12 managers (14 13F filers) reported a position in PLYX shares at 2026-03-31, 2,267,136 shares in all. 11 filers opened a position and 0 filers sold out during the quarter.

Managers
12
13F filers
14
New
11
Added
0
Reduced
0
Sold out
0
Shares held by filers
2,267,136

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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$13.4MnewTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC170,673$1.29M<0.01%new13F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC127,525$964K<0.01%new13F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP58,104$439K<0.01%new13F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.41,012$310K<0.01%new13F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP27,987$212K<0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/25,881$196K<0.01%new13F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC13,483$102K<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG13,479$102K<0.01%new13F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC12,406$93.8K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY5,543$41.9K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,781$13.5K<0.01%new13F-HRTimelineGroup