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 | |
|---|---|---|---|---|---|---|
3101
Coty
COTY
$2.51B
| $11M | ﹤0.01% |
3,579,300
+2,154,519
| +151% | +$7.83M |
|
3102
CALL
Stellantis
STLA
$20.2B
| $11M | ﹤0.01% |
1,011,900
-48,100
| -5% | -$517K |
|
|
LB
3103
LandBridge Co
LB
$2.24B
| $11M | ﹤0.01% |
224,730
+122,421
| +120% | +$7.12M |
|
3104
Allegion
ALLE
$14B
| $11M | ﹤0.01% |
69,054
+4,036
| +6% | +$673K |
|
3105
CALL
Ramaco Resources Class A
METC
$777M
| $11M | ﹤0.01% |
610,800
+517,000
| +551% | +$13.6M |
|
3106
CALL
Scorpio Tankers
STNG
$3.98B
| $11M | ﹤0.01% |
216,200
+18,100
| +9% | +$1.03M |
|
3107
CALL
Li Auto
LI
$12B
| $11M | ﹤0.01% |
648,000
-148,700
| -19% | -$2.95M |
|
3108
CALL
Lionsgate Studios
LION
$3.57B
| $11M | ﹤0.01% |
1,201,500
+1,140,412
| +1,867% | +$8.11M |
|
3109
PUT
Fox Class A
FOXA
$29B
| $11M | ﹤0.01% |
150,100
+37,200
| +33% | +$2.43M |
|
3110
PUT
SentinelOne
S
$7.92B
| $11M | ﹤0.01% |
731,100
+19,400
| +3% | +$318K |
|
3111
CALL
Lincoln National
LNC
$8.7B
| $11M | ﹤0.01% |
246,200
-37,100
| -13% | -$1.55M |
|
3112
iShares Global Energy ETF
IXC
$2.77B
| $10.9M | ﹤0.01% |
260,789
+133,528
| +105% | +$5.61M |
|
3113
CALL
Leidos
LDOS
$18B
| $10.9M | ﹤0.01% |
60,600
-72,900
| -55% | -$13.8M |
|
|
EFOR
3114
Everforth Inc
EFOR
$1.3B
| $10.9M | ﹤0.01% |
226,642
+145,207
| +178% | +$6.69M |
|
3115
CALL
Suncor Energy
SU
$77B
| $10.9M | ﹤0.01% |
245,900
-216,600
| -47% | -$9.15M |
|
3116
RxSight
RXST
$287M
| $10.9M | ﹤0.01% |
1,045,822
-244,322
| -19% | -$2.45M |
|
3117
CALL
Darden Restaurants
DRI
$25.6B
| $10.9M | ﹤0.01% |
59,200
-16,900
| -22% | -$3.08M |
|
3118
CALL
Sarepta Therapeutics
SRPT
$1.91B
| $10.9M | ﹤0.01% |
505,100
-105,500
| -17% | -$2.22M |
|
3119
PUT
Nokia
NOK
$60.1B
| $10.9M | ﹤0.01% |
1,679,200
+979,300
| +140% | +$6.07M |
|
3120
PUT
Harley-Davidson
HOG
$2.89B
| $10.9M | ﹤0.01% |
530,000
+97,300
| +22% | +$2.39M |
|
3121
PUT
Texas Roadhouse
TXRH
$13.6B
| $10.9M | ﹤0.01% |
65,400
-59,700
| -48% | -$10.1M |
|
3122
PUT
Inhibrx
INBX
$1.3B
| $10.9M | ﹤0.01% |
+137,400
| New | +$9.36M |
|
3123
Lumen
LUMN
$6.93B
| $10.8M | ﹤0.01% |
1,396,084
-3,150,424
| -69% | -$25.9M |
|
3124
CALL
Citizens Financial Group
CFG
$31.5B
| $10.8M | ﹤0.01% |
185,700
+73,300
| +65% | +$3.94M |
|
3125
PUT
MSCI
MSCI
$41.4B
| $10.8M | ﹤0.01% |
18,900
-17,300
| -48% | -$9.7M |
|
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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.