Ken Griffin
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Ken Griffin’s Fresenius Medical Care FMS Stock Holding History

Ken Griffin’s Portfolio FMS Stock Details FMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$492K Buy
21,800
+10,700
+96% +$246K ﹤0.01% 9360
2025
Q4 		$264K Buy
+11,100
New +$276K ﹤0.01% 10420
2025
Q3 		– Sell
-15,000
Closed -$429K – 13192
2025
Q2 		$429K Sell
15,000
-19,000
-56% -$510K ﹤0.01% 8991
2025
Q1 		$847K Buy
34,000
+10,100
+42% +$240K ﹤0.01% 7326
2024
Q4 		$541K Sell
23,900
-32,600
-58% -$708K ﹤0.01% 8377
2024
Q3 		$1.2M Buy
56,500
+19,100
+51% +$376K ﹤0.01% 6491
2024
Q2 		$714K Buy
37,400
+31,100
+494% +$634K ﹤0.01% 7321
2024
Q1 		$121K Buy
6,300
+5,200
+473% +$103K ﹤0.01% 11090
2023
Q4 		$22.9K Sell
1,100
-18,200
-94% -$350K ﹤0.01% 12508
2023
Q3 		$416K Sell
19,300
-12,800
-40% -$311K ﹤0.01% 8480
2023
Q2 		$768K Buy
32,100
+8,300
+35% +$190K ﹤0.01% 7013
2023
Q1 		$506K Buy
23,800
+4,300
+22% +$82.3K ﹤0.01% 8283
2022
Q4 		$319K Buy
19,500
+6,200
+47% +$91.9K ﹤0.01% 9185
2022
Q3 		$187K Sell
13,300
-3,100
-19% -$58.6K ﹤0.01% 10467
2022
Q2 		$409K Buy
16,400
+4,500
+38% +$134K ﹤0.01% 9101
2022
Q1 		$401K Buy
11,900
+4,200
+55% +$138K ﹤0.01% 9893
2021
Q4 		$250K Buy
+7,700
New +$253K ﹤0.01% 11352

Other funds holding FMS

Pzena Investment Management
Pzena Investment Management New York $34.1B AUM 23.81% 1-Year Est. Return
FMI
Fiduciary Management Inc Milwaukee, Wisconsin $8.06B AUM 6.78% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return
TAM
Todd Asset Management Louisville, Kentucky $5.63B AUM 45.28% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
TRSOTSOK
Teachers Retirement System of the State of Kentucky Frankfort, Kentucky $12.9B AUM 31.03% 1-Year Est. Return
IHAM
Integral Health Asset Management New York $2.09B AUM 112.84% 1-Year Est. Return

Ken Griffin's FMS Position: Q1 2026 in Review

Ken Griffin increased its Fresenius Medical Care (FMS) stake by 99% in Q1 2026, buying an estimated $645K and bringing the position to 56,578 shares worth $1.28M. The position accounts for ﹤0.01% of the portfolio, ranked #7123.

Ken Griffin first reported a position in FMS in Q2 2016 and has held it in 36 quarters since. The position peaked at $16.3M in Q3 2022. 219 funds tracked by Wall St. Rank hold FMS as of Q1 2026.

  • Ken Griffin held 56,578 shares of Fresenius Medical Care worth $1.28M as of Q1 2026.
  • Ken Griffin bought 28,089 Fresenius Medical Care shares in Q1 2026, an estimated $645K.
  • Fresenius Medical Care made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7123 holding.
  • Ken Griffin first reported a position in Fresenius Medical Care in Q2 2016 and has held it in 36 quarters since.
  • Ken Griffin's Fresenius Medical Care position peaked at $16.3M in Q3 2022.
  • 219 funds tracked by Wall St. Rank held Fresenius Medical Care as of Q1 2026.

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