Ken Griffin
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Ken Griffin’s The RMR Group RMR Stock Holding History

Ken Griffin’s Portfolio RMR Stock Details RMR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$328K Buy
21,200
+5,600
+36% +$90.9K ﹤0.01% 10279
2025
Q4 		$232K Sell
15,600
-5,500
-26% -$83.7K ﹤0.01% 10707
2025
Q3 		$332K Buy
21,100
+8,400
+66% +$140K ﹤0.01% 10129
2025
Q2 		$208K Buy
12,700
+10,200
+408% +$156K ﹤0.01% 10598
2025
Q1 		$41.6K Sell
2,500
-1,000
-29% -$18.4K ﹤0.01% 12504
2024
Q4 		$72.2K Buy
3,500
+200
+6% +$4.63K ﹤0.01% 11921
2024
Q3 		$83.8K Buy
3,300
+1,000
+43% +$24.7K ﹤0.01% 11359
2024
Q2 		$52K Sell
2,300
-1,800
-44% -$42.1K ﹤0.01% 11715
2024
Q1 		$98.4K Sell
4,100
-1,700
-29% -$42.6K ﹤0.01% 11376
2023
Q4 		$164K Sell
5,800
-400
-6% -$9.77K ﹤0.01% 10250
2023
Q3 		$152K Sell
6,200
-300
-5% -$7.23K ﹤0.01% 10331
2023
Q2 		$151K Sell
6,500
-400
-6% -$9.34K ﹤0.01% 10331
2023
Q1 		$181K Buy
+6,900
New +$193K ﹤0.01% 10347

Other funds holding RMR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
FFL
Flat Footed LLC Wilson, Wyoming $920M AUM 86.47% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Ken Griffin's RMR Position: Q1 2026 in Review

Ken Griffin increased its The RMR Group (RMR) stake by 197% in Q1 2026, buying an estimated $537K and bringing the position to 49,885 shares worth $772K. The position accounts for ﹤0.01% of the portfolio, ranked #8279.

Ken Griffin first reported a position in RMR in Q4 2018 and has held it in 30 quarters since. The position peaked at $13.1M in Q3 2021. 169 funds tracked by Wall St. Rank hold RMR as of Q1 2026.

  • Ken Griffin held 49,885 shares of The RMR Group worth $772K as of Q1 2026.
  • Ken Griffin bought 33,086 The RMR Group shares in Q1 2026, an estimated $537K.
  • The RMR Group made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #8279 holding.
  • Ken Griffin first reported a position in The RMR Group in Q4 2018 and has held it in 30 quarters since.
  • Ken Griffin's The RMR Group position peaked at $13.1M in Q3 2021.
  • 169 funds tracked by Wall St. Rank held The RMR Group as of Q1 2026.

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