Ken Griffin
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Ken Griffin’s Ranger Energy Services RNGR Stock Holding History

Ken Griffin’s Portfolio RNGR Stock Details RNGR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-100
Closed -$1.42K – 14686
2025
Q1 		$1.42K Buy
+100
New +$1.62K ﹤0.01% 14132
2024
Q2 		– Sell
-1,100
Closed -$12.4K – 15217
2024
Q1 		$12.4K Buy
+1,100
New +$11.5K ﹤0.01% 13360

Other funds holding RNGR

IH
IES Holdings Houston, Texas $214M AUM
ECA
Encompass Capital Advisors New York $3.34B AUM 167.64% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Ken Griffin's RNGR Position: Q1 2026 in Review

Ken Griffin increased its Ranger Energy Services (RNGR) stake by 193% in Q1 2026, buying an estimated $4.38M and bringing the position to 410,135 shares worth $7.03M. The position accounts for ﹤0.01% of the portfolio, ranked #3805.

Ken Griffin first reported a position in RNGR in Q3 2022 and has held it in 10 quarters since. 148 funds tracked by Wall St. Rank hold RNGR as of Q1 2026.

  • Ken Griffin held 410,135 shares of Ranger Energy Services worth $7.03M as of Q1 2026.
  • Ken Griffin bought 270,390 Ranger Energy Services shares in Q1 2026, an estimated $4.38M.
  • Ranger Energy Services made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #3805 holding.
  • Ken Griffin first reported a position in Ranger Energy Services in Q3 2022 and has held it in 10 quarters since.
  • 148 funds tracked by Wall St. Rank held Ranger Energy Services as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.