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 | |
|---|---|---|---|---|---|---|
401
PUT
Amgen
AMGN
$225B
| $251M | 0.04% |
765,600
-192,300
| -20% | -$61M |
|
402
Airbnb
ABNB
$108B
| $250M | 0.04% |
1,844,369
+1,016,483
| +123% | +$127M |
|
403
CALL
Pfizer
PFE
$150B
| $249M | 0.04% |
10,013,700
+2,737,800
| +38% | +$69M |
|
404
PUT
Texas Instruments
TXN
$255B
| $249M | 0.04% |
1,434,400
-15,000
| -1% | -$2.57M |
|
405
CALL
Capital One
COF
$135B
| $247M | 0.04% |
1,019,280
+162,549
| +19% | +$36.2M |
|
406
CALL
Blackstone
BX
$109B
| $247M | 0.04% |
1,602,500
+373,400
| +30% | +$56.7M |
|
407
CALL
State Street Industrial Select Sector SPDR ETF
XLI
$34.6B
| $246M | 0.04% |
1,588,200
+398,900
| +34% | +$61.4M |
|
408
CALL
Rivian
RIVN
$23.1B
| $245M | 0.04% |
12,422,400
+1,133,000
| +10% | +$18M |
|
409
PUT
Blackrock
BLK
$179B
| $244M | 0.04% |
228,200
+69,300
| +44% | +$75.8M |
|
|
CTRA
410
DELISTED
Coterra Energy
CTRA
| $244M | 0.04% |
9,269,656
+9,109,335
| +5,682% | +$230M |
|
411
PepsiCo
PEP
$187B
| $243M | 0.04% |
1,695,615
+1,203,068
| +244% | +$177M |
|
412
CALL
GameStop
GME
$8.3B
| $243M | 0.04% |
12,110,400
+1,133,600
| +10% | +$25.4M |
|
413
CALL
General Motors
GM
$76.5B
| $241M | 0.04% |
2,969,100
+837,500
| +39% | +$59M |
|
414
CALL
T-Mobile US
TMUS
$190B
| $241M | 0.04% |
1,186,300
+233,900
| +25% | +$49.6M |
|
415
CALL
State Street SPDR S&P Regional Banking ETF
KRE
$4.61B
| $240M | 0.04% |
3,705,600
-3,202,600
| -46% | -$201M |
|
416
TE Connectivity
TEL
$61.7B
| $240M | 0.04% |
1,053,441
+539,553
| +105% | +$125M |
|
417
iShares Russell 2000 ETF
IWM
$81.8B
| $238M | 0.04% |
968,004
+488,008
| +102% | +$120M |
|
418
Performance Food Group
PFGC
$17B
| $238M | 0.04% |
2,643,118
+1,684,214
| +176% | +$163M |
|
419
CALL
Coca-Cola
KO
$373B
| $236M | 0.04% |
3,381,400
+635,700
| +23% | +$44.3M |
|
420
CALL
Sea Limited
SE
$78.2B
| $235M | 0.04% |
1,842,200
-1,162,400
| -39% | -$172M |
|
421
PUT
Accenture
ACN
$108B
| $234M | 0.04% |
873,100
-463,500
| -35% | -$118M |
|
422
PUT
State Street Utilities Select Sector SPDR ETF
XLU
$22.7B
| $234M | 0.04% |
5,476,000
+808,800
| +17% | +$35.8M |
|
423
Dell
DELL
$299B
| $234M | 0.04% |
1,855,001
+1,595,690
| +615% | +$225M |
|
424
Casey's General Stores
CASY
$30.9B
| $233M | 0.04% |
421,317
+262,888
| +166% | +$145M |
|
425
PUT
Lockheed Martin
LMT
$138B
| $232M | 0.03% |
480,600
-147,200
| -23% | -$70.4M |
|
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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.