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 | |
|---|---|---|---|---|---|---|
2976
CALL
Sweetgreen
SG
$748M
| $12.1M | ﹤0.01% |
1,786,800
-41,600
| -2% | -$286K |
|
2977
Idexx Laboratories
IDXX
$43.4B
| $12.1M | ﹤0.01% |
17,843
-9,733
| -35% | -$6.63M |
|
2978
CALL
Lamb Weston
LW
$7.3B
| $12.1M | ﹤0.01% |
288,100
+23,900
| +9% | +$1.41M |
|
2979
Navitas Semiconductor
NVTS
$3.77B
| $12.1M | ﹤0.01% |
1,689,253
+232,670
| +16% | +$2.24M |
|
2980
State Street SPDR S&P Bank ETF
KBE
$1.76B
| $12.1M | ﹤0.01% |
198,718
-207,221
| -51% | -$12.2M |
|
2981
PUT
Harrow
HROW
$1.5B
| $12M | ﹤0.01% |
245,900
-18,900
| -7% | -$793K |
|
2982
CALL
Hercules Capital
HTGC
$3.13B
| $12M | ﹤0.01% |
639,400
+423,800
| +197% | +$7.65M |
|
2983
PUT
Paychex
PAYX
$43.4B
| $12M | ﹤0.01% |
107,100
+6,600
| +7% | +$772K |
|
2984
PUT
ProShares UltraShort Bloomberg Natural Gas
KOLD
$105M
| $12M | ﹤0.01% |
340,200
+213,100
| +168% | +$6.67M |
|
2985
Weyerhaeuser
WY
$17.7B
| $12M | ﹤0.01% |
506,260
-1,042,260
| -67% | -$24.1M |
|
2986
CALL
Doximity
DOCS
$4.42B
| $12M | ﹤0.01% |
270,400
-42,300
| -14% | -$2.37M |
|
2987
CALL
McCormick & Company Non-Voting
MKC
$14.7B
| $12M | ﹤0.01% |
175,700
-30,200
| -15% | -$2.01M |
|
2988
CALL
KeyCorp
KEY
$25B
| $11.9M | ﹤0.01% |
578,700
+66,600
| +13% | +$1.24M |
|
2989
CALL
Lumen
LUMN
$6.93B
| $11.9M | ﹤0.01% |
1,536,900
+370,800
| +32% | +$3.05M |
|
2990
PUT
Sportradar
SRAD
$4.09B
| $11.9M | ﹤0.01% |
502,300
+152,600
| +44% | +$3.67M |
|
2991
PUT
First Horizon
FHN
$12.4B
| $11.9M | ﹤0.01% |
499,100
+166,400
| +50% | +$3.71M |
|
|
SILA
2992
DELISTED
Sila Realty Trust
SILA
| $11.9M | ﹤0.01% |
511,350
+465,029
| +1,004% | +$10.9M |
|
2993
Centuri Holdings
CTRI
$2.38B
| $11.9M | ﹤0.01% |
471,700
-217,981
| -32% | -$4.87M |
|
2994
CALL
Carrier Global
CARR
$51.8B
| $11.9M | ﹤0.01% |
225,400
-146,300
| -39% | -$8.13M |
|
2995
CALL
Agilent Technologies
A
$41.9B
| $11.9M | ﹤0.01% |
87,500
-44,200
| -34% | -$6.35M |
|
2996
Nu Holdings
NU
$73.6B
| $11.9M | ﹤0.01% |
710,961
-1,818,120
| -72% | -$29.2M |
|
2997
Scotiabank
BNS
$112B
| $11.9M | ﹤0.01% |
161,443
+88,380
| +121% | +$6.01M |
|
2998
American Financial Group
AFG
$12.1B
| $11.9M | ﹤0.01% |
87,014
+70,771
| +436% | +$9.71M |
|
|
WLTH
2999
Wealthfront Corp
WLTH
$1.37B
| $11.9M | ﹤0.01% |
+875,000
| New | +$11.6M |
|
3000
National Beverage
FIZZ
$2.93B
| $11.9M | ﹤0.01% |
372,865
+184,127
| +98% | +$6.33M |
|
Similar funds
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.