Ostrum Asset Management’s Diamondback Energy FANG Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$344K Sell
1,737
-2,088
-55% -$355K 0.02% 390
2025
Q4
$575K Sell
3,825
-1,268
-25% -$187K 0.03% 363
2025
Q3
$729K Sell
5,093
-157
-3% -$22.3K 0.03% 360
2025
Q2
$721K Sell
5,250
-151
-3% -$20.9K 0.03% 363
2025
Q1
$864K Sell
5,401
-143
-3% -$23.1K 0.05% 326
2024
Q4
$908K Sell
5,544
-229
-4% -$40.4K 0.08% 327
2024
Q3
$995K Sell
5,773
-3,953
-41% -$761K 0.08% 310
2024
Q2
$1.95M Sell
9,726
-756
-7% -$150K 0.17% 201
2024
Q1
$2.08M Buy
10,482
+3,666
+54% +$622K 0.16% 220
2023
Q4
$1.06M Buy
6,816
+29
+0.4% +$4.54K 0.09% 311
2023
Q3
$1.05M Buy
6,787
+2,794
+70% +$412K 0.1% 299
2023
Q2
$525K Buy
3,993
+3
+0.1% +$402 0.04% 426
2023
Q1
$539K Buy
+3,990
New +$556K 0.05% 414

Other funds holding FANG

Ostrum Asset Management's FANG Position: Q1 2026 in Review

Ostrum Asset Management reduced its Diamondback Energy (FANG) stake by 55% in Q1 2026, selling an estimated $355K and leaving 1,737 shares worth $344K. The position accounts for 0.02% of the portfolio, ranked #390.

Ostrum Asset Management first reported a position in FANG in Q1 2023 and has held it in 13 quarters since. The position peaked at $2.08M in Q1 2024. 1,193 funds tracked by Wall St. Rank hold FANG as of Q1 2026.

  • Ostrum Asset Management held 1,737 shares of Diamondback Energy worth $344K as of Q1 2026.
  • Ostrum Asset Management sold 2,088 Diamondback Energy shares in Q1 2026, an estimated $355K.
  • Diamondback Energy made up 0.02% of Ostrum Asset Management's portfolio in Q1 2026, its #390 holding.
  • Ostrum Asset Management first reported a position in Diamondback Energy in Q1 2023 and has held it in 13 quarters since.
  • Ostrum Asset Management's Diamondback Energy position peaked at $2.08M in Q1 2024.
  • 1,193 funds tracked by Wall St. Rank held Diamondback Energy as of Q1 2026.

Based on Ostrum Asset Management's 13F filing for Q1 2026, filed 14 May 2026.