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 | |
|---|---|---|---|---|---|---|
3076
APA Corp
APA
$14.2B
| $11.2M | ﹤0.01% |
458,177
+206,178
| +82% | +$4.99M |
|
3077
CALL
AppFolio
APPF
$7.23B
| $11.2M | ﹤0.01% |
48,100
+7,200
| +18% | +$1.71M |
|
3078
CALL
Check Point Software Technologies
CHKP
$13.4B
| $11.2M | ﹤0.01% |
60,300
+8,600
| +17% | +$1.66M |
|
3079
Lincoln Electric
LECO
$15.6B
| $11.2M | ﹤0.01% |
46,663
-22,733
| -33% | -$5.38M |
|
3080
iShares US Aerospace & Defense ETF
ITA
$15.1B
| $11.2M | ﹤0.01% |
+52,079
| New | +$10.9M |
|
3081
CALL
Cincinnati Financial
CINF
$26.6B
| $11.2M | ﹤0.01% |
68,300
+2,400
| +4% | +$389K |
|
3082
CALL
Vodafone
VOD
$37.9B
| $11.2M | ﹤0.01% |
844,400
+365,500
| +76% | +$4.42M |
|
3083
PUT
Goodyear
GT
$1.76B
| $11.2M | ﹤0.01% |
1,273,100
-135,800
| -10% | -$1.07M |
|
|
CYBR
3084
PUT
DELISTED
CyberArk
CYBR
| $11.2M | ﹤0.01% |
25,000
-14,200
| -36% | -$6.83M |
|
3085
CALL
Sprott Uranium Miners ETF
URNM
$2B
| $11.1M | ﹤0.01% |
202,900
-8,700
| -4% | -$503K |
|
3086
Bright Horizons
BFAM
$3.75B
| $11.1M | ﹤0.01% |
109,808
-217,958
| -66% | -$22M |
|
3087
PUT
SharkNinja
SN
$26.1B
| $11.1M | ﹤0.01% |
99,500
-69,900
| -41% | -$6.89M |
|
3088
PUT
XPO
XPO
$24.7B
| $11.1M | ﹤0.01% |
81,900
+38,500
| +89% | +$5.24M |
|
3089
PUT
Root
ROOT
$797M
| $11.1M | ﹤0.01% |
154,100
-16,500
| -10% | -$1.31M |
|
3090
Oneok
OKE
$59.9B
| $11.1M | ﹤0.01% |
151,315
-104,663
| -41% | -$7.42M |
|
3091
Cheesecake Factory
CAKE
$5.64B
| $11.1M | ﹤0.01% |
219,940
+24,763
| +13% | +$1.24M |
|
3092
PUT
Mid-America Apartment Communities
MAA
$15.5B
| $11.1M | ﹤0.01% |
79,900
+28,800
| +56% | +$3.84M |
|
3093
CALL
NextNav
NN
$3.36B
| $11.1M | ﹤0.01% |
666,200
-21,300
| -3% | -$302K |
|
|
CURB
3094
Curbline Properties
CURB
$3.48B
| $11.1M | ﹤0.01% |
477,347
+365,803
| +328% | +$8.53M |
|
3095
CALL
Aehr Test Systems
AEHR
$4.37B
| $11.1M | ﹤0.01% |
548,500
+18,100
| +3% | +$438K |
|
3096
Vanguard International High Dividend Yield ETF
VYMI
$21.3B
| $11.1M | ﹤0.01% |
123,024
+101,101
| +461% | +$8.78M |
|
3097
PUT
Canadian Pacific Kansas City
CP
$82.2B
| $11.1M | ﹤0.01% |
150,200
-112,000
| -43% | -$8.24M |
|
3098
PUT
Sterling Infrastructure
STRL
$17.6B
| $11.1M | ﹤0.01% |
36,100
+7,600
| +27% | +$2.62M |
|
3099
CALL
Brookfield
BN
$107B
| $11.1M | ﹤0.01% |
240,850
+3,250
| +1% | +$148K |
|
3100
CALL
Bath & Body Works
BBWI
$3.91B
| $11M | ﹤0.01% |
549,800
+62,000
| +13% | +$1.37M |
|
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.