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Pennant Investors, LP

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13F filer, CIK 1759176, Summit, NJ

Pennant Investors, LP reported $361,014,702 across 17 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 78.37% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000919574-26-003310

Period
2026-03-31
Reported value
$361M
Holdings
17
Top 10 weight
78.37%
New
1
Sold out
1

Part of the filer group Pennant Investors, LP

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
FLSnew+135,000$9.92M
MSFTadded+15,000$5.55M

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
ECHOreduced-357,358-$41.8M
GOOGLreduced-38,100-$11M
CORZreduced-430,495-$6.44M
PRMreduced-254,750-$6.22M
SOLSreduced-65,000-$4.95M

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 2026

Share positions as resolved from 13F-HR 0000919574-26-003310, largest first. % of portfolio is the value over $361,014,702, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SOLSSOLSTICE ADVANCED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 700,000 shares; 2026Q1: 635,000 shares 635,000$48.4M13.4%-65,000Timeline
ECHOECHOSTAR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,320,837 shares; 2024Q4: 2,417,837 shares; 2025Q1: 2,046,751 shares; 2025Q2: 1,464,000 shares; 2025Q3: 937,249 shares; 2025Q4: 732,759 shares; 2026Q1: 375,401 shares 375,401$43.9M12.17%-357,358Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 51,000 shares; 2024Q4: 48,900 shares; 2025Q1: 75,900 shares; 2025Q2: 94,600 shares; 2025Q3: 94,600 shares; 2025Q4: 84,400 shares; 2026Q1: 99,400 shares 99,400$36.8M10.19%+15,000Timeline
VRTVERTIV HOLDINGS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 160,000 shares; 2024Q4: 160,000 shares; 2025Q1: 188,000 shares; 2025Q2: 183,000 shares; 2025Q3: 136,000 shares; 2025Q4: 109,000 shares; 2026Q1: 109,000 shares 109,000$27.3M7.57%0Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 182,000 shares; 2024Q4: 202,500 shares; 2025Q1: 202,500 shares; 2025Q2: 130,000 shares; 2025Q3: 121,000 shares; 2025Q4: 121,000 shares; 2026Q1: 117,000 shares 117,000$24.4M6.75%-4,000Timeline
PRMPERIMETER SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 2,270,000 shares; 2025Q1: 2,470,000 shares; 2025Q2: 2,102,000 shares; 2025Q3: 1,384,000 shares; 2025Q4: 1,193,000 shares; 2026Q1: 938,250 shares 938,250$22.9M6.35%-254,750Timeline
EXEEXPAND ENERGY CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 180,000 shares; 2025Q1: 180,000 shares; 2025Q2: 136,200 shares; 2025Q3: 216,200 shares; 2025Q4: 216,200 shares; 2026Q1: 196,000 shares 196,000$21.5M5.96%-20,200Timeline
ARANTERO RESOURCES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,126,000 shares; 2024Q4: 1,095,305 shares; 2025Q1: 774,730 shares; 2025Q2: 709,230 shares; 2025Q3: 661,230 shares; 2025Q4: 530,000 shares; 2026Q1: 480,000 shares 480,000$20.4M5.64%-50,000Timeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 19,371 shares; 2024Q4: 19,371 shares; 2025Q1: 26,571 shares; 2025Q2: 19,871 shares; 2025Q3: 18,471 shares; 2025Q4: 18,471 shares; 2026Q1: 16,771 shares 16,771$19.4M5.38%-1,700Timeline
GEVGE VERNOVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 60,000 shares; 2024Q4: 60,000 shares; 2025Q1: 46,000 shares; 2025Q2: 34,900 shares; 2025Q3: 22,600 shares; 2025Q4: 22,600 shares; 2026Q1: 20,500 shares 20,500$17.9M4.96%-2,100Timeline
CORZCORE SCIENTIFIC INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 794,813 shares; 2024Q4: 630,000 shares; 2025Q1: 1,335,000 shares; 2025Q2: 1,499,000 shares; 2025Q3: 1,825,495 shares; 2025Q4: 1,540,495 shares; 2026Q1: 1,110,000 shares 1,110,000$16.6M4.6%-430,495Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 153,000 shares; 2024Q4: 146,700 shares; 2025Q1: 146,700 shares; 2025Q2: 53,900 shares; 2025Q3: 107,900 shares; 2025Q4: 92,000 shares; 2026Q1: 53,900 shares 53,900$15.5M4.29%-38,100Timeline
CCCCCC INTELLIGENT SOLUTIONS HLQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,060,000 shares; 2025Q2: 881,502 shares; 2025Q3: 821,502 shares; 2025Q4: 2,671,502 shares; 2026Q1: 2,420,086 shares 2,420,086$14.5M4.02%-251,416Timeline
VMIVALMONT INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 40,000 shares; 2024Q4: 69,000 shares; 2025Q1: 69,000 shares; 2025Q2: 35,420 shares; 2025Q3: 33,120 shares; 2025Q4: 33,120 shares; 2026Q1: 30,000 shares 30,000$12M3.32%-3,120Timeline
FLSFLOWSERVE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 135,000 shares 135,000$9.92M2.75%newTimeline
QXOQXO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 585,000 shares; 2025Q3: 543,000 shares; 2025Q4: 543,000 shares; 2026Q1: 492,000 shares 492,000$9.55M2.65%-51,000Timeline
GRABWGRAB HOLDINGS LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 80,000 shares; 2024Q4: 80,000 shares; 2025Q1: 80,000 shares; 2025Q2: 80,000 shares; 2025Q3: 80,000 shares; 2025Q4: 80,000 shares; 2026Q1: 80,000 shares 80,000$6.5K<0.01%0Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
CORZCORE SCIENTIFIC INC NEW500,000$7.28Mcall

How Q1 2026 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 0000919574-26-003310 base2026-05-15acceptance time not in the bulk data set