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 | |
|---|---|---|---|---|---|---|
1976
Prologis
PLD
$134B
| $27.6M | ﹤0.01% |
216,519
-107,152
| -33% | -$13.4M |
|
1977
CALL
Direxion Daily NVDA Bull 2X ETF
NVDU
$636M
| $27.6M | ﹤0.01% |
234,600
-19,000
| -7% | -$2.38M |
|
1978
Liquidia Corp
LQDA
$6.66B
| $27.6M | ﹤0.01% |
800,196
+350,632
| +78% | +$9.98M |
|
1979
PUT
iShares MSCI Mexico ETF
EWW
$1.86B
| $27.6M | ﹤0.01% |
397,800
+340,500
| +594% | +$23M |
|
|
CWAN
1980
DELISTED
Clearwater Analytics
CWAN
| $27.6M | ﹤0.01% |
1,143,324
+917,017
| +405% | +$18.4M |
|
1981
PUT
Oneok
OKE
$59.9B
| $27.6M | ﹤0.01% |
374,860
-105,740
| -22% | -$7.49M |
|
1982
PUT
Dick's Sporting Goods
DKS
$18.1B
| $27.5M | ﹤0.01% |
138,900
-124,200
| -47% | -$27.1M |
|
|
MIAX
1983
Miami International Holdings
MIAX
$4.32B
| $27.5M | ﹤0.01% |
619,580
-355,470
| -36% | -$15.9M |
|
1984
PUT
Royal Gold
RGLD
$19.5B
| $27.5M | ﹤0.01% |
123,652
-88,148
| -42% | -$17.5M |
|
1985
Delek US
DK
$4.01B
| $27.5M | ﹤0.01% |
926,560
-306,776
| -25% | -$11M |
|
1986
PUT
Global X Silver Miners ETF NEW
SIL
$4.79B
| $27.5M | ﹤0.01% |
328,800
+76,600
| +30% | +$5.65M |
|
1987
PUT
State Street SPDR S&P Bank ETF
KBE
$1.76B
| $27.5M | ﹤0.01% |
452,400
+28,700
| +7% | +$1.69M |
|
1988
PUT
HubSpot
HUBS
$11.2B
| $27.4M | ﹤0.01% |
68,300
-24,300
| -26% | -$10.1M |
|
1989
Nicolet Bankshares
NIC
$3.75B
| $27.4M | ﹤0.01% |
+225,815
| New | +$28.5M |
|
1990
CALL
Dutch Bros
BROS
$9.09B
| $27.4M | ﹤0.01% |
447,000
-10,200
| -2% | -$579K |
|
|
NVMI
1991
PUT
Nova
NVMI
$13.3B
| $27.3M | ﹤0.01% |
83,200
+16,800
| +25% | +$5.4M |
|
1992
Century Aluminum
CENX
$4.62B
| $27.3M | ﹤0.01% |
697,217
-808,479
| -54% | -$25.3M |
|
1993
Healthcare Realty
HR
$6.6B
| $27.3M | ﹤0.01% |
1,610,454
-489,982
| -23% | -$8.72M |
|
1994
PUT
Shell
SHEL
$250B
| $27.3M | ﹤0.01% |
371,200
-74,000
| -17% | -$5.45M |
|
1995
Aflac
AFL
$60.9B
| $27.3M | ﹤0.01% |
247,295
-668,983
| -73% | -$73.7M |
|
1996
PUT
Monster Beverage
MNST
$91.7B
| $27.2M | ﹤0.01% |
710,200
-43,800
| -6% | -$1.57M |
|
1997
PUT
SolarEdge
SEDG
$1.99B
| $27.2M | ﹤0.01% |
941,900
+141,500
| +18% | +$4.93M |
|
1998
PUT
YPF Sociedad Anonima American Depositary Shares (Each representing ten (10) Class D shares of Capital Stock)
YPF
$19.6B
| $27.1M | ﹤0.01% |
749,300
-128,500
| -15% | -$4.26M |
|
1999
CALL
WIX.com
WIX
$3.1B
| $27.1M | ﹤0.01% |
260,800
-5,800
| -2% | -$701K |
|
2000
Paychex
PAYX
$43.4B
| $27.1M | ﹤0.01% |
241,483
+108,198
| +81% | +$12.7M |
|
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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.