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Pennant Investors, LP

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13F filer, CIK 1759176, Summit, NJ

Pennant Investors, LP reported $383,218,950 across 19 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 86.88% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000919574-25-003122

Period
2025-03-31
Reported value
$383M
Holdings
19
Top 10 weight
86.88%
New
3
Sold out
0

Part of the filer group Pennant Investors, LP

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MSFTadded+27,000$10.1M
TDGadded+7,200$9.96M
CCCnew+1,060,000$9.57M
CORZadded+705,000$5.1M
ASMLadded+4,700$3.11M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
ARreduced-320,575-$13M
ECHOreduced-371,086-$9.49M
GEVreduced-14,000-$4.27M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0000919574-25-003122, largest first. % of portfolio is the value over $332,420,950, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
ECHOECHOSTAR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,320,837 shares; 2024Q4: 2,417,837 shares; 2025Q1: 2,046,751 shares 2,046,751$52.4M15.75%-371,086Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 182,000 shares; 2024Q4: 202,500 shares; 2025Q1: 202,500 shares 202,500$38.5M11.59%0Timeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 19,371 shares; 2024Q4: 19,371 shares; 2025Q1: 26,571 shares 26,571$36.8M11.06%+7,200Timeline
ARANTERO RESOURCES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,126,000 shares; 2024Q4: 1,095,305 shares; 2025Q1: 774,730 shares 774,730$31.3M9.42%-320,575Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 51,000 shares; 2024Q4: 48,900 shares; 2025Q1: 75,900 shares 75,900$28.5M8.57%+27,000Timeline
PRMPERIMETER SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 2,270,000 shares; 2025Q1: 2,470,000 shares 2,470,000$24.9M7.48%+200,000Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 153,000 shares; 2024Q4: 146,700 shares; 2025Q1: 146,700 shares 146,700$22.7M6.82%0Timeline
EXEEXPAND ENERGY CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 180,000 shares; 2025Q1: 180,000 shares 180,000$20M6.03%0Timeline
VMIVALMONT INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 40,000 shares; 2024Q4: 69,000 shares; 2025Q1: 69,000 shares 69,000$19.7M5.92%0Timeline
GEVGE VERNOVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 60,000 shares; 2024Q4: 60,000 shares; 2025Q1: 46,000 shares 46,000$14M4.22%-14,000Timeline
VRTVERTIV HOLDINGS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 160,000 shares; 2024Q4: 160,000 shares; 2025Q1: 188,000 shares 188,000$13.6M4.08%+28,000Timeline
CORZCORE SCIENTIFIC INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 794,813 shares; 2024Q4: 630,000 shares; 2025Q1: 1,335,000 shares 1,335,000$9.67M2.91%+705,000Timeline
CCCCCC INTELLIGENT SOLUTIONS HLQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,060,000 shares 1,060,000$9.57M2.88%newTimeline
ASMLASML HLDG NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,500 shares; 2024Q4: 4,300 shares; 2025Q1: 9,000 shares 9,000$5.96M1.79%+4,700Timeline
IRENIREN LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 940,000 shares; 2024Q4: 792,000 shares; 2025Q1: 792,000 shares 792,000$4.82M1.45%0Timeline
GRABWGRAB HOLDINGS LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 80,000 shares; 2024Q4: 80,000 shares; 2025Q1: 80,000 shares 80,000$32.5K0.01%0Timeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
ARANTERO RESOURCES CORP Stockcall500,000$20.2M0
AMZNAMAZON COM INC COMcall100,000$19Mnew
VRTVERTIV HOLDINGS CO Stockcall160,000$11.6Mnew

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000919574-25-003122 base2025-05-15acceptance time not in the bulk data set