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 | |
|---|---|---|---|---|---|---|
526
PUT
State Street SPDR S&P Homebuilders ETF
XHB
$1.6B
| $182M | 0.03% |
1,764,400
+281,300
| +19% | +$29.9M |
|
527
PUT
iShares Core S&P 500 ETF
IVV
$910B
| $182M | 0.03% |
265,200
-20,200
| -7% | -$13.7M |
|
528
PUT
Lumentum
LITE
$77.8B
| $182M | 0.03% |
492,500
+191,200
| +63% | +$49.1M |
|
|
WCN
529
Waste Connections
WCN
$41.7B
| $181M | 0.03% |
1,034,755
+682,243
| +194% | +$118M |
|
|
OKLO
530
PUT
Oklo
OKLO
$8.68B
| $180M | 0.03% |
2,505,300
-2,103,400
| -46% | -$235M |
|
|
BMNR
531
PUT
BitMine Immersion Technologies
BMNR
$11.1B
| $180M | 0.03% |
6,611,800
+135,000
| +2% | +$5.47M |
|
532
Sprouts Farmers Market
SFM
$7.73B
| $179M | 0.03% |
2,243,155
+2,035,486
| +980% | +$183M |
|
533
CALL
Shell
SHEL
$248B
| $178M | 0.03% |
2,429,000
-37,100
| -2% | -$2.73M |
|
534
CenterPoint Energy
CNP
$26.7B
| $178M | 0.03% |
4,655,138
+2,780,429
| +148% | +$108M |
|
535
PUT
ProShares UltraPro S&P 500
UPRO
$5.85B
| $178M | 0.03% |
1,541,600
-250,800
| -14% | -$28.7M |
|
|
SCHW
536
PUT
Charles Schwab
SCHW
$190B
| $178M | 0.03% |
1,776,800
-463,200
| -21% | -$43.9M |
|
537
CALL
State Street Health Care Select Sector SPDR ETF
XLV
$44B
| $177M | 0.03% |
1,145,100
-806,400
| -41% | -$121M |
|
538
CALL
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.41B
| $177M | 0.03% |
803,100
-315,400
| -28% | -$68.5M |
|
539
ServiceNow
NOW
$132B
| $177M | 0.03% |
1,152,308
+791,073
| +219% | +$136M |
|
540
PUT
Astera Labs
ALAB
$56B
| $176M | 0.03% |
1,055,500
-338,500
| -24% | -$56.6M |
|
541
CALL
ConocoPhillips
COP
$150B
| $175M | 0.03% |
1,871,100
+665,525
| +55% | +$60.2M |
|
542
CALL
Dollar General
DG
$27B
| $175M | 0.03% |
1,316,100
+202,400
| +18% | +$22.6M |
|
543
Albertsons Companies
ACI
$6.02B
| $174M | 0.03% |
10,137,738
-2,408,518
| -19% | -$43M |
|
|
BMNR
544
BitMine Immersion Technologies
BMNR
$11.1B
| $174M | 0.03% |
6,408,059
+3,402,600
| +113% | +$138M |
|
545
CALL
Corning
GLW
$136B
| $174M | 0.03% |
1,984,800
-515,800
| -21% | -$44.4M |
|
546
CALL
HCA Healthcare
HCA
$89.2B
| $173M | 0.03% |
370,900
+120,700
| +48% | +$56M |
|
547
CALL
Union Pacific
UNP
$177B
| $173M | 0.03% |
748,400
+127,600
| +21% | +$29.1M |
|
548
Vistra
VST
$49.3B
| $173M | 0.03% |
1,069,835
+246,930
| +30% | +$45M |
|
549
CALL
Ulta Beauty
ULTA
$22.3B
| $172M | 0.03% |
284,400
-2,200
| -0.8% | -$1.21M |
|
550
Brookfield Asset Management
BAM
$89.1B
| $172M | 0.03% |
3,274,990
+3,153,739
| +2,601% | +$170M |
|
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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.