Mariner
NESR

Mariner’s National Energy Services Reunited Corp NESR Stock Holding History

Mariner’s Portfolio NESR Stock Details NESR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$452K Buy
21,056
+2,801
+15% +$58.3K ﹤0.01% 2567
2025
Q4 		$286K Buy
18,255
+2,213
+14% +$29K ﹤0.01% 2889
2025
Q3 		$165K Buy
+16,042
New +$128K ﹤0.01% 3242
2022
Q4 		– Sell
-16,903
Closed -$100K – 2856
2022
Q3 		$100K Buy
+16,903
New +$114K ﹤0.01% 2207

Other funds holding NESR

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
ECA
Encompass Capital Advisors New York $3.34B AUM 167.64% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
SP
SCF Partners Houston, Texas $32.2M AUM 191.71% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Mariner's NESR Position: Q1 2026 in Review

Mariner increased its National Energy Services Reunited Corp (NESR) stake by 15% in Q1 2026, buying an estimated $58.3K and bringing the position to 21,056 shares worth $452K. The position accounts for ﹤0.01% of the portfolio, ranked #2567.

Mariner first reported a position in NESR in Q3 2022 and has held it in 4 quarters since. 188 funds tracked by Wall St. Rank hold NESR as of Q1 2026.

  • Mariner held 21,056 shares of National Energy Services Reunited Corp worth $452K as of Q1 2026.
  • Mariner bought 2,801 National Energy Services Reunited Corp shares in Q1 2026, an estimated $58.3K.
  • National Energy Services Reunited Corp made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2567 holding.
  • Mariner first reported a position in National Energy Services Reunited Corp in Q3 2022 and has held it in 4 quarters since.
  • 188 funds tracked by Wall St. Rank held National Energy Services Reunited Corp as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.