In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Pennant Investors, LP reported 16 stock positions worth $361.0 million . Its top holding was Solstice Adv Materials (SOLS) at 13.4% of the portfolio, followed by Echostar Class A (ECHO, 12.2% ) and Microsoft (MSFT, 10.2% ). Compared with Q4 2025, it opened 1 new position, added to 1 and reduced 13. The biggest buy was a new position in Flowserve (FLS) and the biggest sale Echostar Class A (ECHO, shares −49% ).
Location Summit, NJ
CIK 0001759176
Portfolio Value $361.0M (Q1 2026) Holdings 16 stocks · $361.0M Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q4 2025 SOLS Solstice Adv Materials Inc. 635,000 $48.4M Reduce -9.3% ECHO Echostar Corp. Class A 375,401 $43.9M Reduce -48.8% MSFT Microsoft Corp. 99,400 $36.8M Add +17.8% VRT Vertiv Holdings Co. Class A 109,000 $27.3M No change AMZN Amazon.com Inc. 117,000 $24.4M Reduce -3.3% PRM Perimeter Solutions Inc. 938,250 $22.9M Reduce -21.4% EXE Expand Energy Corp. 196,000 $21.5M Reduce -9.3% AR Antero Resources Corp. 480,000 $20.4M Reduce -9.4% TDG Transdigm Group Inc. 16,771 $19.4M Reduce -9.2% GEV GE Vernova Inc. 20,500 $17.9M Reduce -9.3% CORZ Core Scientific Inc. 1,110,000 $16.6M Reduce -27.9% GOOGL Alphabet Inc. Class A 53,900 $15.5M Reduce -41.4% CCC CCC Intelligent Solutions Ho 2,420,086 $14.5M Reduce -9.4% VMI Valmont Industries 30,000 $12.0M Reduce -9.4% FLS Flowserve Corp. 135,000 $9.9M New QXO Qxo Inc. 492,000 $9.6M Reduce -9.4%
Other holdings (1): bonds, preferreds, convertibles and warrants · $6K (not counted above) Security Class Shares / Principal Value Change GRABW Grab Holdings Ltd.-CW 26 *W EXP 99/99/999 80,000 $6K No change
Total filed on the 13F, all lines: $361.0M.
Portfolio Sells Q4 2025 → Q1 2026 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▲ ECHO Echostar Corp. Class A Reduce -48.8% 12.17% −7.22 GOOGL Alphabet Inc. Class A Reduce -41.4% 4.29% −2.72 PRM Perimeter Solutions Inc. Reduce -21.4% 6.35% −1.65 CCC CCC Intelligent Solutions Ho Reduce -9.4% 4.02% −1.15 CORZ Core Scientific Inc. Reduce -27.9% 4.60% −0.86 TDG Transdigm Group Inc. Reduce -9.2% 5.38% −0.60 AMZN Amazon.com Inc. Reduce -3.3% 6.75% −0.05 VMI Valmont Industries Reduce -9.4% 3.32% +0.08 QXO Qxo Inc. Reduce -9.4% 2.65% +0.10 EXE Expand Energy Corp. Reduce -9.3% 5.96% +0.15 AR Antero Resources Corp. Reduce -9.4% 5.64% +1.20 GEV GE Vernova Inc. Reduce -9.3% 4.96% +1.36 SOLS Solstice Adv Materials Inc. Reduce -9.3% 13.40% +5.11
Portfolio Buys Q4 2025 → Q1 2026 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▼ FLS Flowserve Corp. New 2.75% +2.75 MSFT Microsoft Corp. Add +17.8% 10.19% +0.25
Options Activity Q4 2025 → Q1 2026 Security Type Change vs Q4 2025 Underlying Shares Value ▼ CORZ Core Scientific Inc. call Sold out 500,000 $7.3Mbefore exit
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 15 $334.9M SOLS, AMZN, MSFT, ECHO, PRM Q1 2026 16 $361.0M SOLS, ECHO, MSFT, VRT, AMZN Q4 2025 15 $410.6M ECHO, MSFT, SOLS, PRM, GOOGL Q3 2025 14 $371.7M ECHO, MSFT, CORZ, PRM, AMZN Q2 2025 15 $334.3M MSFT, ECHO, TDG, PRM, AR Q1 2025 15 $332.4M ECHO, AMZN, TDG, AR, MSFT Q4 2024 14 $336.7M ECHO, AMZN, AR, PRM, GOOGL Q3 2024 14 $336.0M ECHO, PRM, MU, AMZN, AR Q2 2024 44 $366.2M MU, AMZN, TDG, ECHO, MSFT Q1 2024 42 $361.7M AMZN, TDG, MSFT, MU, AR