Massachusetts Financial Services
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Massachusetts Financial Services’s Diamondback Energy FANG Stock Holding History

Massachusetts Financial Services’s Portfolio FANG Stock Details FANG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$236M Sell
1,342,345
-53,955
-4% -$10.5M 0.07% 238
2026
Q1 		$276M Sell
1,396,300
-45,322
-3% -$7.7M 0.09% 201
2025
Q4 		$217M Buy
1,441,622
+56,194
+4% +$8.29M 0.07% 250
2025
Q3 		$198M Buy
1,385,428
+122,921
+10% +$17.5M 0.06% 285
2025
Q2 		$173M Buy
1,262,507
+60,035
+5% +$8.32M 0.06% 303
2025
Q1 		$192M Sell
1,202,472
-399,384
-25% -$64.4M 0.06% 280
2024
Q4 		$262M Sell
1,601,856
-351,566
-18% -$62M 0.08% 229
2024
Q3 		$337M Sell
1,953,422
-736,759
-27% -$142M 0.1% 197
2024
Q2 		$539M Buy
2,690,181
+247,065
+10% +$49.1M 0.17% 145
2024
Q1 		$484M Sell
2,443,116
-490,701
-17% -$83.3M 0.14% 158
2023
Q4 		$455M Sell
2,933,817
-73,782
-2% -$11.6M 0.15% 160
2023
Q3 		$466M Buy
3,007,599
+858,446
+40% +$127M 0.16% 145
2023
Q2 		$282M Sell
2,149,153
-640,775
-23% -$85.8M 0.09% 205
2023
Q1 		$377M Buy
2,789,928
+9,566
+0.3% +$1.33M 0.13% 170
2022
Q4 		$380M Buy
2,780,362
+94,921
+4% +$13.9M 0.13% 166
2022
Q3 		$323M Buy
2,685,441
+412,521
+18% +$51.5M 0.12% 178
2022
Q2 		$275M Buy
2,272,920
+512,463
+29% +$70.2M 0.09% 193
2022
Q1 		$241M Buy
1,760,457
+23,128
+1% +$3.01M 0.07% 232
2021
Q4 		$187M Sell
1,737,329
-27,587
-2% -$2.99M 0.05% 283
2021
Q3 		$167M Buy
1,764,916
+4,979
+0.3% +$400K 0.05% 285
2021
Q2 		$165M Buy
1,759,937
+19,123
+1% +$1.58M 0.05% 298
2021
Q1 		$128M Sell
1,740,814
-74,235
-4% -$5.08M 0.04% 340
2020
Q4 		$87.8M Buy
1,815,049
+896,506
+98% +$33.1M 0.03% 385
2020
Q3 		$27.7M Buy
918,543
+115,035
+14% +$4.38M 0.01% 524
2020
Q2 		$33.6M Buy
803,508
+42,913
+6% +$1.75M 0.01% 481
2020
Q1 		$19.9M Sell
760,595
-298,141
-28% -$18.8M 0.01% 511
2019
Q4 		$98.3M Buy
1,058,736
+130,915
+14% +$10.9M 0.04% 327
2019
Q3 		$83.4M Buy
927,821
+282,497
+44% +$28.1M 0.03% 343
2019
Q2 		$70.3M Buy
645,324
+378,848
+142% +$39.6M 0.03% 365
2019
Q1 		$27.1M Buy
266,476
+18,499
+7% +$1.9M 0.01% 486
2018
Q4 		$23M Buy
+247,977
New +$27.7M 0.01% 482

Other funds holding FANG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Massachusetts Financial Services's FANG Position: Q2 2026 in Review

Massachusetts Financial Services reduced its Diamondback Energy (FANG) stake by 3.9% in Q2 2026, selling an estimated $10.5M and leaving 1,342,345 shares worth $236M. The position accounts for 0.07% of the portfolio, ranked #238.

Massachusetts Financial Services first reported a position in FANG in Q4 2018 and has held it in 31 quarters since. The position peaked at $539M in Q2 2024. 1,192 funds tracked by Wall St. Rank hold FANG as of Q2 2026.

  • Massachusetts Financial Services held 1,342,345 shares of Diamondback Energy worth $236M as of Q2 2026.
  • Massachusetts Financial Services sold 53,955 Diamondback Energy shares in Q2 2026, an estimated $10.5M.
  • Diamondback Energy made up 0.07% of Massachusetts Financial Services's portfolio in Q2 2026, its #238 holding.
  • Massachusetts Financial Services first reported a position in Diamondback Energy in Q4 2018 and has held it in 31 quarters since.
  • Massachusetts Financial Services's Diamondback Energy position peaked at $539M in Q2 2024.
  • 1,192 funds tracked by Wall St. Rank held Diamondback Energy as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.