Vanguard Group
MNTK icon

Vanguard Group’s Montauk Renewables MNTK Stock Holding History

Vanguard Group’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
2025
Q4 		$5.89M Sell
3,528,926
-422,569
-11% -$812K ﹤0.01% 3188
2025
Q3 		$7.94M Sell
3,951,495
-23,499
-0.6% -$50.3K ﹤0.01% 3100
2025
Q2 		$8.82M Buy
3,974,994
+136,695
+4% +$289K ﹤0.01% 2968
2025
Q1 		$8.02M Buy
3,838,299
+52,574
+1% +$192K ﹤0.01% 2968
2024
Q4 		$15.1M Buy
3,785,725
+31,910
+0.9% +$153K ﹤0.01% 2737
2024
Q3 		$19.6M Buy
3,753,815
+81,258
+2% +$406K ﹤0.01% 2597
2024
Q2 		$20.9M Buy
3,672,557
+78,622
+2% +$364K ﹤0.01% 2545
2024
Q1 		$15M Buy
3,593,935
+59,375
+2% +$372K ﹤0.01% 2738
2023
Q4 		$31.5M Buy
3,534,560
+63,863
+2% +$598K ﹤0.01% 2384
2023
Q3 		$31.6M Buy
3,470,697
+38,605
+1% +$346K ﹤0.01% 2347
2023
Q2 		$25.5M Buy
3,432,092
+341,557
+11% +$2.35M ﹤0.01% 2490
2023
Q1 		$24.3M Buy
3,090,535
+23,114
+0.8% +$235K ﹤0.01% 2509
2022
Q4 		$33.8M Buy
3,067,421
+51,242
+2% +$685K ﹤0.01% 2366
2022
Q3 		$52.6M Buy
3,016,179
+23,134
+0.8% +$345K ﹤0.01% 2156
2022
Q2 		$30.1M Buy
2,993,045
+300,939
+11% +$3.58M ﹤0.01% 2437
2022
Q1 		$30.2M Buy
2,692,106
+144,762
+6% +$1.51M ﹤0.01% 2560
2021
Q4 		$26.1M Buy
2,547,344
+29,300
+1% +$313K ﹤0.01% 2695
2021
Q3 		$28.3M Buy
+2,518,044
New +$21.5M ﹤0.01% 2662

Other funds holding MNTK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BBA
Baader Bank Aktiengesellschaft Unterschleissheim, Germany $1.28B AUM 38.1% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
HP
Hosking Partners London, United Kingdom $2.79B AUM 58.33% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Vanguard Group's MNTK Position: Q4 2025 in Review

Vanguard Group reduced its Montauk Renewables (MNTK) stake by 11% in Q4 2025, selling an estimated $812K and leaving 3,528,926 shares worth $5.89M. The position accounts for ﹤0.01% of the portfolio, ranked #3188.

Vanguard Group first reported a position in MNTK in Q3 2021 and has held it in 18 quarters since. The position peaked at $52.6M in Q3 2022. 82 funds tracked by Wall St. Rank hold MNTK as of Q4 2025.

  • Vanguard Group held 3,528,926 shares of Montauk Renewables worth $5.89M as of Q4 2025.
  • Vanguard Group sold 422,569 Montauk Renewables shares in Q4 2025, an estimated $812K.
  • Montauk Renewables made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3188 holding.
  • Vanguard Group first reported a position in Montauk Renewables in Q3 2021 and has held it in 18 quarters since.
  • Vanguard Group's Montauk Renewables position peaked at $52.6M in Q3 2022.
  • 82 funds tracked by Wall St. Rank held Montauk Renewables as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.