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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
DCOR icon
7601
Dimensional US Core Equity 1 ETF
DCOR
$3.5B
$890K ﹤0.01%
12,083
+3,549
+42% +$258K
DUG icon
7602
ProShares UltraShort Energy
DUG
$18.7M
$890K ﹤0.01%
+27,366
New +$918K
RCUS icon
7603
PUT
Arcus Biosciences
RCUS
$3.74B
$889K ﹤0.01%
37,300
+1,600
+4% +$32.6K
DNUT icon
7604
PUT
Krispy Kreme
DNUT
$552M
$889K ﹤0.01%
221,100
-202,300
-48% -$801K
PTCT icon
7605
CALL
PTC Therapeutics
PTCT
$6.07B
$889K ﹤0.01%
11,700
-12,300
-51% -$894K
UITB icon
7606
Victory Portfolios II VictoryShares Core Intermediate Bond ETF
UITB
$2.65B
$889K ﹤0.01%
18,763
-9,962
-35% -$474K
MBCN
7607
DELISTED
Middlefield Banc Corp
MBCN
$888K ﹤0.01%
25,714
-2,801
-10% -$93K
ZBIO
7608
Zenas BioPharma
ZBIO
$2.03B
$888K ﹤0.01%
+24,459
New +$804K
SPT icon
7609
CALL
Sprout Social
SPT
$602M
$888K ﹤0.01%
78,800
+51,300
+187% +$554K
AQST icon
7610
PUT
Aquestive Therapeutics
AQST
$545M
$888K ﹤0.01%
137,400
-66,900
-33% -$417K
DEED icon
7611
First Trust Securitized Plus ETF
DEED
$63.5M
$888K ﹤0.01%
41,088
+17,007
+71% +$367K
ETR icon
7612
PUT
Entergy
ETR
$50.8B
$887K ﹤0.01%
9,600
-97,300
-91% -$9.23M
TSEC icon
7613
Touchstone Securitized Income ETF
TSEC
$167M
$887K ﹤0.01%
33,896
+1,556
+5% +$40.8K
PUBM icon
7614
PUT
PubMatic
PUBM
$789M
$887K ﹤0.01%
100,000
-5,700
-5% -$49.6K
DX
7615
PUT
Dynex Capital
DX
$3.25B
$887K ﹤0.01%
63,300
-84,700
-57% -$1.14M
BKDV
7616
BNY Mellon Dynamic Value ETF
BKDV
$1.92B
$887K ﹤0.01%
+30,551
New +$866K
IQ icon
7617
PUT
iQIYI
IQ
$1.19B
$885K ﹤0.01%
461,100
-206,100
-31% -$441K
TBCH
7618
CALL
Turtle Beach Corp
TBCH
$217M
$885K ﹤0.01%
63,100
-57,600
-48% -$857K
VNQ icon
7619
Vanguard Real Estate ETF
VNQ
$39B
$885K ﹤0.01%
10,002
+1,778
+22% +$160K
CWEN icon
7620
PUT
Clearway Energy Class C
CWEN
$6.85B
$885K ﹤0.01%
26,600
-2,300
-8% -$76.5K
TLH icon
7621
CALL
iShares 10-20 Year Treasury Bond ETF
TLH
$10.9B
$885K ﹤0.01%
8,700
-7,700
-47% -$794K
REGL icon
7622
ProShares S&P MidCap 400 Dividend Aristocrats ETF
REGL
$1.8B
$884K ﹤0.01%
10,497
-8,724
-45% -$732K
BH.A icon
7623
Biglari Holdings Class A
BH.A
$1.23B
$884K ﹤0.01%
508
-256
-34% -$426K
PSCI icon
7624
Invesco S&P SmallCap Industrials ETF
PSCI
$193M
$884K ﹤0.01%
5,888
+1,729
+42% +$259K
INV
7625
Innventure Inc
INV
$112M
$884K ﹤0.01%
+211,390
New +$888K
303 304
305
306 307

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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.