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Ken Griffin

Ken Griffin Citadel Advisors

AUM $875B
1-Year Est. Return 40.91%
 

Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.

This Fund
S&P 500
This Quarter Est. Return
+5.22%
1 Year Est. Return
+40.91%
3 Year Est. Return
+115.85%
5 Year Est. Return
+132.1%
10 Year Est. Return
+518.81%
AUM
$666B
AUM Growth
+$8.72B
Cap. Flow
+$1.57B
Cap. Flow %
0.24%
Top 10 Hldgs %
22.76%
Holding
14,701
New
2,078
Increased
5,000
Reduced
5,362
Closed
2,191

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$2.49B
2
NVDA icon
NVIDIA
NVDA
+$2.19B
3
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$1.94B
4
TSM icon
TSMC
TSM
+$728M
5
UNH icon
UnitedHealth
UNH
+$705M

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$775M
2
ABBV icon
AbbVie
ABBV
+$540M
3
DAL icon
Delta Air Lines
DAL
+$434M
4
LLY icon
Eli Lilly
LLY
+$433M
5
DXCM icon
DexCom
DXCM
+$433M

Sector Composition

Rank Sector Weight
1 Technology 4.89%
2 Healthcare 2.92%
3 Financials 2.71%
4 Consumer Discretionary 2.52%
5 Industrials 2.2%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RAPP
8926
PUT
Rapport Therapeutics
RAPP
$2.34B
$513K ﹤0.01%
16,900
-17,700
-51% -$490K
MSDD
8927
DELISTED
GraniteShares 2x Short MSTR Daily ETF
MSDD
$513K ﹤0.01%
+5,489
New +$306K
QCAP
8928
FT Vest Nasdaq-100 Conservative Buffer ETF - April
QCAP
$124M
$512K ﹤0.01%
21,608
-1,850
-8% -$43.4K
RDWR icon
8929
Radware
RDWR
$1.22B
$512K ﹤0.01%
21,242
-26,145
-55% -$639K
IWLG icon
8930
IQ Winslow Large Cap Growth ETF
IWLG
$336M
$512K ﹤0.01%
+9,441
New +$515K
SDGR icon
8931
CALL
Schrodinger
SDGR
$1.3B
$511K ﹤0.01%
28,600
-15,100
-35% -$286K
SPYV icon
8932
CALL
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.7B
$511K ﹤0.01%
9,000
-10,000
-53% -$562K
RDN icon
8933
CALL
Radian Group
RDN
$4.93B
$511K ﹤0.01%
14,200
-26,800
-65% -$936K
CMTL icon
8934
Comtech Telecommunications
CMTL
$51.8M
$511K ﹤0.01%
96,584
+24,742
+34% +$80.7K
ROM icon
8935
ProShares Ultra Technology
ROM
$1.34B
$510K ﹤0.01%
5,411
+935
+21% +$89.8K
MLCO icon
8936
PUT
Melco Resorts & Entertainment
MLCO
$2.12B
$510K ﹤0.01%
67,400
+32,000
+90% +$269K
PNNT
8937
CALL
Pennant Park Investment Corp
PNNT
$238M
$510K ﹤0.01%
85,600
+54,900
+179% +$343K
DSPY
8938
Tema S&P 500 Historical Weight ETF Strategy
DSPY
$1.01B
$510K ﹤0.01%
8,747
+2,541
+41% +$147K
RGEF
8939
Rockefeller Global Equity ETF
RGEF
$839M
$510K ﹤0.01%
+16,625
New +$501K
MFIC icon
8940
CALL
MidCap Financial Investment
MFIC
$798M
$509K ﹤0.01%
44,500
-51,100
-53% -$606K
ULH icon
8941
Universal Logistics Holdings
ULH
$513M
$509K ﹤0.01%
+33,507
New +$564K
WENN
8942
Wen Acquisition Corp
WENN
$389M
$509K ﹤0.01%
50,387
-3,102
-6% -$31.6K
PWB icon
8943
CALL
Invesco Large Cap Growth ETF
PWB
$2.51B
$508K ﹤0.01%
+4,000
New +$508K
MAN icon
8944
PUT
ManpowerGroup
MAN
$2.66B
$508K ﹤0.01%
17,100
+6,100
+55% +$191K
OSS icon
8945
PUT
One Stop Systems
OSS
$342M
$508K ﹤0.01%
70,800
-5,400
-7% -$31.9K
FMAO icon
8946
Farmers & Merchants Bancorp
FMAO
$490M
$507K ﹤0.01%
20,518
+7,245
+55% +$181K
SLP icon
8947
CALL
Simulations Plus
SLP
$371M
$507K ﹤0.01%
27,800
-10,500
-27% -$184K
XPER icon
8948
Xperi
XPER
$317M
$507K ﹤0.01%
86,438
+24,657
+40% +$155K
ITOT icon
8949
PUT
iShares Core S&P Total US Stock Market ETF
ITOT
$98.2B
$506K ﹤0.01%
3,400
-800
-19% -$118K
XXI
8950
Twenty One Capital Inc
XXI
$2.77B
$505K ﹤0.01%
+57,700
New +$602K
356 357
358
359 360

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Ken Griffin's Q4 2025 Portfolio in Review

As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.

By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.

  • Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
  • Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
  • Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
  • Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
  • Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
  • Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
  • Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.