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 | |
|---|---|---|---|---|---|---|
1476
PUT
Futu Holdings
FUTU
$14.7B
| $46.2M | 0.01% |
281,400
-309,000
| -52% | -$53M |
|
1477
CALL
Invesco NASDAQ 100 ETF
QQQM
$103B
| $46.2M | 0.01% |
182,700
+146,400
| +403% | +$37M |
|
1478
PUT
Sunrun
RUN
$2.43B
| $46.2M | 0.01% |
2,508,500
-258,500
| -9% | -$4.96M |
|
1479
iShares US Real Estate ETF
IYR
$4.59B
| $46.1M | 0.01% |
491,507
+476,478
| +3,170% | +$45.4M |
|
1480
Frontline
FRO
$9.21B
| $46.1M | 0.01% |
2,113,755
+2,043,713
| +2,918% | +$47.8M |
|
1481
CALL
Sphere Entertainment
SPHR
$6.15B
| $46.1M | 0.01% |
484,900
+150,800
| +45% | +$11.5M |
|
1482
HDFC Bank
HDB
$120B
| $46M | 0.01% |
1,257,997
+531,055
| +73% | +$19.1M |
|
1483
Vornado Realty Trust
VNO
$7.26B
| $45.9M | 0.01% |
1,379,469
+1,308,410
| +1,841% | +$47.8M |
|
1484
Tandem Diabetes Care
TNDM
$1.57B
| $45.9M | 0.01% |
2,088,603
+2,048,802
| +5,148% | +$37M |
|
1485
Canadian Natural Resources
CNQ
$99.4B
| $45.8M | 0.01% |
1,354,448
+678,013
| +100% | +$22M |
|
1486
Columbia Sportswear
COLM
$2.92B
| $45.8M | 0.01% |
831,953
-274,343
| -25% | -$14.7M |
|
1487
CALL
Peabody Energy
BTU
$3.08B
| $45.8M | 0.01% |
1,542,300
-359,700
| -19% | -$10.6M |
|
1488
PUT
Atlassian
TEAM
$41.2B
| $45.8M | 0.01% |
282,500
-167,300
| -37% | -$26.3M |
|
1489
CALL
Duke Energy
DUK
$96.7B
| $45.7M | 0.01% |
390,100
-520,900
| -57% | -$63.6M |
|
1490
CALL
Dave Inc
DAVE
$4.34B
| $45.7M | 0.01% |
206,200
+121,300
| +143% | +$26.1M |
|
1491
CALL
Best Buy
BBY
$18.1B
| $45.6M | 0.01% |
681,800
-79,900
| -10% | -$6.1M |
|
1492
PUT
Centene
CNC
$33.2B
| $45.6M | 0.01% |
1,108,800
-545,500
| -33% | -$20.4M |
|
1493
Schwab Fundamental International Large Company Index ETF
FNDF
$25.9B
| $45.6M | 0.01% |
1,009,015
+993,380
| +6,354% | +$44M |
|
1494
PUT
Vanguard Information Technology ETF
VGT
$150B
| $45.6M | 0.01% |
484,000
+128,000
| +36% | +$12.2M |
|
1495
Saic
SAIC
$5.36B
| $45.6M | 0.01% |
452,992
+337,308
| +292% | +$32.2M |
|
1496
CALL
Grab
GRAB
$14.8B
| $45.6M | 0.01% |
9,136,300
-896,800
| -9% | -$4.96M |
|
1497
Digital Realty Trust
DLR
$74B
| $45.6M | 0.01% |
294,560
+95,534
| +48% | +$15.7M |
|
1498
Casella Waste Systems
CWST
$5.8B
| $45.5M | 0.01% |
464,772
+399,971
| +617% | +$37.1M |
|
1499
Marriott Vacations Worldwide
VAC
$4.2B
| $45.5M | 0.01% |
788,896
+755,284
| +2,247% | +$44.6M |
|
1500
PUT
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$1.21B
| $45.5M | 0.01% |
247,300
-115,200
| -32% | -$18.4M |
|
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.