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PMTR PERIMETER ACQUISITION CORP I

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COM CL A (common), issuer CIK 2061473

26 managers (26 13F filers) reported a position in PMTR shares at 2025-06-30, 16,784,548 shares in all. 25 filers opened a position and 0 filers sold out during the quarter.

Managers
26
13F filers
26
New
25
Added
0
Reduced
0
Sold out
0
Shares held by filers
16,784,548

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 2025

Filers in the available 13F reports with a share position at 2025-06-30, 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
Harraden Circle Investments, LLCin group Harraden Circle Investments, …1,899,998$19.3M5%new13F-HRTimelineGroup
Linden Advisors LPin group Linden Advisors LP1,500,000$15.3M0.09%new13F-HRTimelineGroup
Alberta Investment Management Corp1,500,000$15.3M0.12%new13F-HR/ATimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…1,500,000$15.3M0.03%new13F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC1,500,000$15.3M0.07%new13F-HRTimelineGroup
Governors Lane LP1,167,000$11.9M1.62%new13F-HRTimeline
Saba Capital Management, L.P.in group Saba Capital Management, L.P.1,058,692$10.8M0.29%new13F-HRTimelineGroup
Meteora Capital, LLC1,045,023$10.6M1.98%new13F-HRTimeline
Fort Baker Capital Management LP800,000$8.14M1.42%new13F-HRTimeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…750,000$7.63M0.33%new13F-HRTimelineGroup
Shaolin Capital Management LLC626,435$6.37M0.28%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP537,309$5.46M0.01%new13F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.500,000$5.1M0.01%new13F-HRTimelineGroup
Sculptor Capital LPin group Sculptor Capital LP500,000$5.08M0.08%new13F-HRTimelineGroup
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC416,328$4.23M0.15%new13F-HRTimelineGroup
Weiss Asset Management LPin group Weiss Asset Management LP250,000$2.55M0.04%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
K2 PRINCIPAL FUND, L.P.247,237$2.51M0.46%new13F-HRTimeline
Periscope Capital Inc.204,400$2.08M0.79%new13F-HRTimeline
Context Capital Management, LLC200,000$2.03M0.07%new13F-HRTimeline
ARISTEIA CAPITAL, L.L.C.150,000$1.53M0.04%new13F-HRTimeline
BERKLEY W R CORP148,830$1.51M0.09%new13F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC126,934$1.27M0.03%13F-HRTimelineGroup
OCONNOR, A Distinct Business Unit of UB…100,000$1.02M0.03%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CLEAR STREET LLC56,306$573K<0.01%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY56$570<0.01%new13F-HRTimelineGroup
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0new13F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.