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 | |
|---|---|---|---|---|---|---|
2826
TransUnion
TRU
$15.4B
| $13.4M | ﹤0.01% |
156,084
-508,891
| -77% | -$41.8M |
|
2827
Lamb Weston
LW
$7.3B
| $13.4M | ﹤0.01% |
319,249
-1,434,287
| -82% | -$84.4M |
|
|
TPC
2828
CALL
Tutor Perini Cor
TPC
$5.09B
| $13.4M | ﹤0.01% |
199,200
+93,400
| +88% | +$6.13M |
|
2829
PUT
Direxion Daily Homebuilders & Supplies Bull 3X ETF
NAIL
$581M
| $13.3M | ﹤0.01% |
268,800
-14,700
| -5% | -$872K |
|
2830
PUT
Allstate
ALL
$66.1B
| $13.3M | ﹤0.01% |
64,000
-18,200
| -22% | -$3.73M |
|
2831
Newell Brands
NWL
$2.66B
| $13.3M | ﹤0.01% |
3,580,002
+3,111,825
| +665% | +$12.6M |
|
2832
Carvana
CVNA
$83.1B
| $13.3M | ﹤0.01% |
157,555
+49,910
| +46% | +$3.71M |
|
2833
InterContinental Hotels
IHG
$23.6B
| $13.3M | ﹤0.01% |
94,366
+67,945
| +257% | +$8.84M |
|
2834
PUT
TTM Technologies
TTMI
$14.7B
| $13.3M | ﹤0.01% |
192,600
+64,500
| +50% | +$4.21M |
|
|
ARIS
2835
Aris Mining
ARIS
$3.69B
| $13.3M | ﹤0.01% |
817,983
+231,875
| +40% | +$2.85M |
|
2836
UDR
UDR
$12.2B
| $13.3M | ﹤0.01% |
361,843
+190,886
| +112% | +$6.79M |
|
2837
CALL
Raymond James Financial
RJF
$34.8B
| $13.2M | ﹤0.01% |
82,300
-80,600
| -49% | -$13M |
|
|
ETOR
2838
CALL
eToro Group
ETOR
$2.27B
| $13.2M | ﹤0.01% |
376,200
+173,100
| +85% | +$6.68M |
|
2839
PUT
AerCap
AER
$24B
| $13.2M | ﹤0.01% |
91,900
-20,200
| -18% | -$2.68M |
|
2840
Assured Guaranty
AGO
$3.38B
| $13.2M | ﹤0.01% |
146,835
+59,886
| +69% | +$5.16M |
|
2841
PUT
Hasbro
HAS
$13.6B
| $13.2M | ﹤0.01% |
160,900
-235,900
| -59% | -$18.5M |
|
2842
NMI Holdings
NMIH
$3.44B
| $13.2M | ﹤0.01% |
323,424
+128,541
| +66% | +$4.86M |
|
|
SFBS
2843
ServisFirst Bancshares
SFBS
$4.99B
| $13.2M | ﹤0.01% |
183,577
+147,239
| +405% | +$10.8M |
|
2844
PUT
Royal Bank of Canada
RY
$301B
| $13.2M | ﹤0.01% |
77,300
+4,400
| +6% | +$676K |
|
2845
CALL
Vanguard S&P 500 Growth ETF
VOOG
$27.3B
| $13.2M | ﹤0.01% |
177,600
+22,800
| +15% | +$1.68M |
|
2846
PUT
Stride
LRN
$3.46B
| $13.2M | ﹤0.01% |
202,600
-159,200
| -44% | -$14.5M |
|
2847
State Street Ultra Short Term Bond ETF
ULST
$527M
| $13.2M | ﹤0.01% |
+324,768
| New | +$13.2M |
|
2848
PUT
Sibanye-Stillwater
SBSW
$7.62B
| $13.1M | ﹤0.01% |
922,700
+155,500
| +20% | +$1.88M |
|
2849
CALL
Wave Life Sciences
WVE
$1.07B
| $13.1M | ﹤0.01% |
772,700
+662,900
| +604% | +$6.74M |
|
|
CCCX
2850
DELISTED
Churchill Capital Corp X
CCCX
| $13.1M | ﹤0.01% |
841,990
+724,488
| +617% | +$12.2M |
|
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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.