Vanguard Portfolio Management
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Vanguard Portfolio Management’s Montauk Renewables MNTK Stock Holding History

Vanguard Portfolio Management’s Portfolio MNTK Stock Details MNTK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$732K Buy
469,053
+80,134
+21% +$119K ﹤0.01% 3020
2026
Q1 		$447K Buy
+388,919
New +$586K ﹤0.01% 2962

Other funds holding MNTK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BBA
Baader Bank Aktiengesellschaft Unterschleissheim, Germany $1.33B AUM 47.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management's MNTK Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Montauk Renewables (MNTK) stake by 21% in Q2 2026, buying an estimated $119K and bringing the position to 469,053 shares worth $732K. The position accounts for ﹤0.01% of the portfolio, ranked #3020.

Vanguard Portfolio Management first reported a position in MNTK in Q1 2026 and has held it in 2 quarters since. 87 funds tracked by Wall St. Rank hold MNTK as of Q2 2026.

  • Vanguard Portfolio Management held 469,053 shares of Montauk Renewables worth $732K as of Q2 2026.
  • Vanguard Portfolio Management bought 80,134 Montauk Renewables shares in Q2 2026, an estimated $119K.
  • Montauk Renewables made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #3020 holding.
  • Vanguard Portfolio Management first reported a position in Montauk Renewables in Q1 2026 and has held it in 2 quarters since.
  • 87 funds tracked by Wall St. Rank held Montauk Renewables as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.