Charles Schwab
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Charles Schwab’s Montauk Renewables MNTK Stock Holding History

Charles Schwab’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 		$841K Buy
539,334
+18,723
+4% +$27.7K ﹤0.01% 3052
2026
Q1 		$599K Sell
520,611
-24,038
-4% -$36.2K ﹤0.01% 3049
2025
Q4 		$910K Sell
544,649
-360
-0.1% -$691 ﹤0.01% 2953
2025
Q3 		$1.1M Buy
545,009
+20,896
+4% +$44.8K ﹤0.01% 2920
2025
Q2 		$1.16M Buy
524,113
+15,459
+3% +$32.7K ﹤0.01% 2850
2025
Q1 		$1.06M Buy
508,654
+12,248
+2% +$44.7K ﹤0.01% 2815
2024
Q4 		$1.98M Sell
496,406
-20,318
-4% -$97.3K ﹤0.01% 2684
2024
Q3 		$2.69M Buy
516,724
+1,253
+0.2% +$6.26K ﹤0.01% 2614
2024
Q2 		$2.94M Sell
515,471
-2,194
-0.4% -$10.1K ﹤0.01% 2573
2024
Q1 		$2.15M Buy
517,665
+6,743
+1% +$42.3K ﹤0.01% 2571
2023
Q4 		$4.55M Buy
510,922
+12,842
+3% +$120K ﹤0.01% 2352
2023
Q3 		$4.54M Buy
498,080
+20,139
+4% +$181K ﹤0.01% 2303
2023
Q2 		$3.56M Buy
477,941
+7,246
+2% +$50K ﹤0.01% 2369
2023
Q1 		$3.7M Sell
470,695
-8,878
-2% -$90.1K ﹤0.01% 2335
2022
Q4 		$5.29M Buy
479,573
+18,744
+4% +$251K ﹤0.01% 2186
2022
Q3 		$8.04M Buy
460,829
+11,160
+2% +$167K ﹤0.01% 1960
2022
Q2 		$4.52M Buy
449,669
+131,166
+41% +$1.56M ﹤0.01% 2229
2022
Q1 		$3.57M Buy
318,503
+12,337
+4% +$129K ﹤0.01% 2440
2021
Q4 		$3.14M Buy
306,166
+5,964
+2% +$63.7K ﹤0.01% 2559
2021
Q3 		$3.37M Buy
+300,202
New +$2.56M ﹤0.01% 2561

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
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Charles Schwab's MNTK Position: Q2 2026 in Review

Charles Schwab increased its Montauk Renewables (MNTK) stake by 3.6% in Q2 2026, buying an estimated $27.7K and bringing the position to 539,334 shares worth $841K. The position accounts for ﹤0.01% of the portfolio, ranked #3052.

Charles Schwab first reported a position in MNTK in Q3 2021 and has held it in 20 quarters since. The position peaked at $8.04M in Q3 2022. 91 funds tracked by Wall St. Rank hold MNTK as of Q2 2026.

  • Charles Schwab held 539,334 shares of Montauk Renewables worth $841K as of Q2 2026.
  • Charles Schwab bought 18,723 Montauk Renewables shares in Q2 2026, an estimated $27.7K.
  • Montauk Renewables made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #3052 holding.
  • Charles Schwab first reported a position in Montauk Renewables in Q3 2021 and has held it in 20 quarters since.
  • Charles Schwab's Montauk Renewables position peaked at $8.04M in Q3 2022.
  • 91 funds tracked by Wall St. Rank held Montauk Renewables as of Q2 2026.

Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.