Pennant Investors, LP

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Pennant Investors, LP reported 15 stock positions worth $410.6 million. Its top holding was Echostar Class A (ECHO) at 19.4% of the portfolio, followed by Microsoft (MSFT, 9.9%) and Solstice Adv Materials (SOLS, 8.3%). Compared with Q3 2025, it opened 1 new position, added to 1 and reduced 7. The biggest buy was a new position in Solstice Adv Materials (SOLS) and the biggest sale Core Scientific (CORZ, shares −16%).

Most Recent 13F
Q2 2026
Location
Summit, NJ
CIK
0001759176
Portfolio Value
$410.6M (Q4 2025)
SEC Filing
0000919574-26-001198 ↗ filed Feb 17, 2026

Holdings Value

0$100.0M$200.0M$300.0M$400.0M$500.0M Q1 2024: $361.7M Q1 2024 Q2 2024: $366.2M Q2 2024 Q3 2024: $336.0M Q3 2024 Q4 2024: $336.7M Q4 2024 Q1 2025: $332.4M Q1 2025 Q2 2025: $334.3M Q2 2025 Q3 2025: $371.7M Q3 2025 Q4 2025: $410.6M $410.6M Q4 2025 Q1 2026: $361.0M Q1 2026 Q2 2026: $334.9M Q2 2026

Holdings 15 stocks · $410.6M

ECHO Echostar Corp. Class A 19.40% 732,759 $79.7M Reduce -21.8%
MSFT Microsoft Corp. 9.94% 84,400 $40.8M Reduce -10.8%
SOLS Solstice Adv Materials Inc. 8.28% 700,000 $34.0M New
PRM Perimeter Solutions Inc. 8.00% 1,193,000 $32.8M Reduce -13.8%
GOOGL Alphabet Inc. Class A 7.01% 92,000 $28.8M Reduce -14.7%
AMZN Amazon.com Inc. 6.80% 121,000 $27.9M No change
TDG Transdigm Group Inc. 5.98% 18,471 $24.6M No change
EXE Expand Energy Corp. 5.81% 216,200 $23.9M No change
CORZ Core Scientific Inc. 5.46% 1,540,495 $22.4M Reduce -15.6%
CCC CCC Intelligent Solutions Ho 5.17% 2,671,502 $21.2M Add +225.2%
AR Antero Resources Corp. 4.45% 530,000 $18.3M Reduce -19.9%
VRT Vertiv Holdings Co. Class A 4.30% 109,000 $17.7M Reduce -19.9%
GEV GE Vernova Inc. 3.60% 22,600 $14.8M No change
VMI Valmont Industries 3.25% 33,120 $13.3M No change
QXO Qxo Inc. 2.55% 543,000 $10.5M No change

Options reported separately and not counted above: CORZ calls ($7.3M).

Other holdings (1): bonds, preferreds, convertibles and warrants · $24K (not counted above)
SecurityClassShares / PrincipalValueChange
GRABW Grab Holdings Ltd.-CW 26 *W EXP 99/99/999 80,000$24KNo change

Total filed on the 13F, all lines: $410.7M.

Portfolio Sells Q3 2025 → Q4 2025

CORZ Core Scientific Inc. Reduce -15.6% 5.46% −3.35
MSFT Microsoft Corp. Reduce -10.8% 9.94% −3.24
AR Antero Resources Corp. Reduce -19.9% 4.45% −1.52
VRT Vertiv Holdings Co. Class A Reduce -19.9% 4.30% −1.22
PRM Perimeter Solutions Inc. Reduce -13.8% 8.00% −0.34
GOOGL Alphabet Inc. Class A Reduce -14.7% 7.01% −0.04
ECHO Echostar Corp. Class A Reduce -21.8% 19.40% +0.14

Portfolio Buys Q3 2025 → Q4 2025

SOLS Solstice Adv Materials Inc. New 8.28% +8.28
CCC CCC Intelligent Solutions Ho Add +225.2% 5.17% +3.16

Options Activity Q3 2025 → Q4 2025

CORZ Core Scientific Inc. call New 500,000 $7.3M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 15$334.9MSOLS, AMZN, MSFT, ECHO, PRM
Q1 2026 16$361.0MSOLS, ECHO, MSFT, VRT, AMZN
Q4 2025 15$410.6MECHO, MSFT, SOLS, PRM, GOOGL
Q3 2025 14$371.7MECHO, MSFT, CORZ, PRM, AMZN
Q2 2025 15$334.3MMSFT, ECHO, TDG, PRM, AR
Q1 2025 15$332.4MECHO, AMZN, TDG, AR, MSFT
Q4 2024 14$336.7MECHO, AMZN, AR, PRM, GOOGL
Q3 2024 14$336.0MECHO, PRM, MU, AMZN, AR
Q2 2024 44$366.2MMU, AMZN, TDG, ECHO, MSFT
Q1 2024 42$361.7MAMZN, TDG, MSFT, MU, AR