Ken Griffin Citadel Advisors
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
126
PUT
Nike
NKE
$61.3B
| $691M | 0.1% |
10,850,200
+1,265,600
| +13% | +$82.5M |
|
127
PUT
IBM
IBM
$225B
| $677M | 0.1% |
2,287,200
-163,500
| -7% | -$49M |
|
128
SPDR Gold Trust
GLD
$143B
| $674M | 0.1% |
1,700,075
+1,037,730
| +157% | +$396M |
|
129
PUT
Marvell Technology
MRVL
$191B
| $672M | 0.1% |
7,909,900
-680,600
| -8% | -$59.6M |
|
130
PUT
ProShares UltraPro QQQ
TQQQ
$36.7B
| $659M | 0.1% |
12,501,300
-4,734,300
| -27% | -$255M |
|
131
CALL
Cisco
CSCO
$475B
| $658M | 0.1% |
8,545,300
+3,185,900
| +59% | +$236M |
|
|
132
CALL
Nike
NKE
$61.3B
| $655M | 0.1% |
10,274,100
-645,700
| -6% | -$42.1M |
|
|
133
CALL
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
| $649M | 0.1% |
1,350,600
-123,500
| -8% | -$58.4M |
|
134
Netflix
NFLX
$311B
| $643M | 0.1% |
6,861,603
+5,803,743
| +549% | +$626M |
|
135
PUT
iShares Bitcoin Trust
IBIT
$47.2B
| $643M | 0.1% |
12,948,900
+1,989,000
| +18% | +$113M |
|
136
PUT
Salesforce
CRM
$162B
| $636M | 0.1% |
2,402,600
-57,000
| -2% | -$14.2M |
|
137
Applied Materials
AMAT
$417B
| $636M | 0.1% |
2,475,223
+2,121,217
| +599% | +$509M |
|
138
CALL
Johnson & Johnson
JNJ
$626B
| $636M | 0.1% |
3,072,600
-495,100
| -14% | -$97.9M |
|
139
PUT
iShares MSCI Emerging Markets ETF
EEM
$29.9B
| $632M | 0.1% |
11,559,000
-3,797,300
| -25% | -$207M |
|
140
PUT
Bank of America
BAC
$448B
| $623M | 0.09% |
11,324,200
+752,100
| +7% | +$39.8M |
|
141
CALL
Spotify
SPOT
$103B
| $615M | 0.09% |
1,059,700
-100,700
| -9% | -$63M |
|
142
CALL
Western Digital
WDC
$151B
| $613M | 0.09% |
3,557,300
-564,700
| -14% | -$85.6M |
|
143
PUT
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.6B
| $607M | 0.09% |
7,812,800
+2,488,300
| +47% | +$194M |
|
144
CALL
SoFi Technologies
SOFI
$23.2B
| $605M | 0.09% |
23,127,700
+3,486,800
| +18% | +$97.2M |
|
145
CALL
Wells Fargo
WFC
$264B
| $605M | 0.09% |
6,490,200
+948,100
| +17% | +$82.3M |
|
146
Home Depot
HD
$353B
| $602M | 0.09% |
1,749,519
+228,513
| +15% | +$83.7M |
|
147
Palo Alto Networks
PANW
$313B
| $602M | 0.09% |
3,266,843
+737,464
| +29% | +$149M |
|
148
CALL
lululemon athletica
LULU
$14.3B
| $596M | 0.09% |
2,869,700
-1,178,600
| -29% | -$214M |
|
149
Palantir
PLTR
$420B
| $595M | 0.09% |
3,346,455
+2,866,301
| +597% | +$519M |
|
150
Cognizant
CTSH
$26.4B
| $592M | 0.09% |
7,133,103
+6,503,526
| +1,033% | +$487M |
|
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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.