William Blair & Company
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William Blair & Company’s Matador Resources MTDR Stock Holding History

William Blair & Company’s Portfolio MTDR Stock Details MTDR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$328K Buy
+5,199
New +$260K ﹤0.01% 1298
2025
Q4 		– Sell
-11,359
Closed -$510K – 1921
2025
Q3 		$510K Buy
11,359
+2,228
+24% +$109K ﹤0.01% 1109
2025
Q2 		$436K Buy
9,131
+1,127
+14% +$49.8K ﹤0.01% 1133
2025
Q1 		$409K Buy
+8,004
New +$442K ﹤0.01% 1141

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VCM
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Wellington Management Group
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LSV Asset Management
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T. Rowe Price Investment Management
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Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

William Blair & Company's MTDR Position: Q1 2026 in Review

William Blair & Company opened a new position in Matador Resources (MTDR) in Q1 2026: 5,199 shares worth $328K. The stake represents ﹤0.01% of the portfolio and ranks #1298 among its holdings. This is a return to the name: William Blair & Company previously reported a position in MTDR as recently as Q3 2025.

William Blair & Company first reported a position in MTDR in Q1 2025 and has held it in 4 quarters since. The position peaked at $510K in Q3 2025. 494 funds tracked by Wall St. Rank hold MTDR as of Q1 2026.

  • William Blair & Company held 5,199 shares of Matador Resources worth $328K as of Q1 2026.
  • Matador Resources was a new William Blair & Company position in Q1 2026.
  • Matador Resources made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1298 holding.
  • William Blair & Company first reported a position in Matador Resources in Q1 2025 and has held it in 4 quarters since.
  • William Blair & Company's Matador Resources position peaked at $510K in Q3 2025.
  • 494 funds tracked by Wall St. Rank held Matador Resources as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.