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Ken Griffin

Ken Griffin Citadel Advisors

AUM $618B
1-Year Est. Return 30.34%
 

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
+30.34%
3 Year Est. Return
+94.87%
5 Year Est. Return
+105.94%
10 Year Est. Return
+434.06%
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
RSPS icon
13826
Invesco S&P 500 Equal Weight Consumer Staples ETF
RSPS
$248M
– –
-36,617
Closed -$1.07M
RSVR
13827
Reservoir Media
RSVR
$656M
– –
-28,347
Closed -$212K
RTO icon
13828
CALL
Rentokil
RTO
$12.1B
– –
-24,800
Closed -$626K
RTO icon
13829
Rentokil
RTO
$12.1B
– –
-194,131
Closed -$4.9M
RUM icon
13830
RUM Group Inc
RUM
$3.74B
– –
-184,075
Closed -$1.26M
RWJ icon
13831
Invesco S&P SmallCap 600 Revenue ETF
RWJ
$2.11B
– –
-10,762
Closed -$520K
RWM icon
13832
PUT
ProShares Short Russell2000
RWM
$99.4M
– –
-14,400
Closed -$242K
RWL icon
13833
Invesco S&P 500 Revenue ETF
RWL
$10B
– –
-1,865
Closed -$206K
RWR icon
13834
CALL
State Street SPDR Dow Jones REIT ETF
RWR
$1.89B
– –
-11,200
Closed -$1.12M
RWR icon
13835
PUT
State Street SPDR Dow Jones REIT ETF
RWR
$1.89B
– –
-10,000
Closed -$1M
RYAM icon
13836
Rayonier Advanced Materials
RYAM
$570M
– –
-317,101
Closed -$2.06M
RYTM icon
13837
PUT
Rhythm Pharmaceuticals
RYTM
$7.99B
– –
-3,000
Closed -$303K
SABR icon
13838
Sabre
SABR
$892M
– –
-2,950,126
Closed -$5.08M
SAFT icon
13839
Safety Insurance
SAFT
$1.52B
– –
-12,289
Closed -$909K
SAH icon
13840
PUT
Sonic Automotive
SAH
$2.51B
– –
-2,900
Closed -$221K
SAND
13841
CALL
DELISTED
Sandstorm Gold
SAND
– –
-221,800
Closed -$2.78M
SAND
13842
DELISTED
Sandstorm Gold
SAND
– –
-544,322
Closed -$6.81M
SAND
13843
PUT
DELISTED
Sandstorm Gold
SAND
– –
-278,300
Closed -$3.48M
SAUG icon
13844
FT Vest US Small Cap Moderate Buffer ETF August
SAUG
$112M
– –
-24,722
Closed -$619K
FLNA
13845
Filana Therapeutics
FLNA
$45.7M
– –
-13,864
Closed -$44.4K
SBCF icon
13846
CALL
Seacoast Banking Corp of Florida
SBCF
$3.48B
– –
-11,900
Closed -$362K
SBFMW
13847
Sunshine Biopharma Inc Warrant
SBFMW
– –
-12,073
Closed -$1.66K
SBH icon
13848
Sally Beauty Holdings
SBH
$1.55B
– –
-297,462
Closed -$4.48M
SBH icon
13849
PUT
Sally Beauty Holdings
SBH
$1.55B
– –
-412,300
Closed -$6.71M
SBLK icon
13850
Star Bulk Carriers
SBLK
$3.21B
– –
-103,638
Closed -$1.93M
552 553
554
555 556

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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.