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 | |
|---|---|---|---|---|---|---|
2776
CALL
Moody's
MCO
$84B
| $13.9M | ﹤0.01% |
27,200
+12,600
| +86% | +$6.15M |
|
2777
MSC Industrial Direct
MSM
$6.91B
| $13.9M | ﹤0.01% |
165,152
+60,416
| +58% | +$5.24M |
|
2778
C3.ai
AI
$1.54B
| $13.9M | ﹤0.01% |
1,029,780
+12,561
| +1% | +$200K |
|
2779
Itaú Unibanco
ITUB
$81.6B
| $13.9M | ﹤0.01% |
+1,937,647
| New | +$13.8M |
|
2780
PUT
Uranium Energy
UEC
$5.55B
| $13.9M | ﹤0.01% |
1,187,400
-102,100
| -8% | -$1.34M |
|
2781
CALL
TMC The Metals Company
TMC
$1.77B
| $13.9M | ﹤0.01% |
2,247,200
+1,354,400
| +152% | +$9.51M |
|
2782
SPDR Gold MiniShares Trust
GLDM
$30B
| $13.9M | ﹤0.01% |
162,389
+2,510
| +2% | +$206K |
|
|
CTRA
2783
PUT
DELISTED
Coterra Energy
CTRA
| $13.9M | ﹤0.01% |
526,600
+33,500
| +7% | +$844K |
|
2784
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.19B
| $13.8M | ﹤0.01% |
209,781
+73,224
| +54% | +$4.84M |
|
2785
CALL
Applied Optoelectronics
AAOI
$12.7B
| $13.8M | ﹤0.01% |
396,800
+118,000
| +42% | +$3.52M |
|
2786
Ameris Bancorp
ABCB
$6.02B
| $13.8M | ﹤0.01% |
+186,019
| New | +$13.8M |
|
|
CNH
2787
CNH Industrial
CNH
$16.8B
| $13.8M | ﹤0.01% |
1,496,177
-266,763
| -15% | -$2.66M |
|
2788
United States Antimony
UAMY
$825M
| $13.8M | ﹤0.01% |
2,745,027
-566,674
| -17% | -$4.45M |
|
2789
CALL
DigitalOcean
DOCN
$15.3B
| $13.8M | ﹤0.01% |
286,200
+35,900
| +14% | +$1.58M |
|
2790
CALL
Capricor Therapeutics
CAPR
$386M
| $13.8M | ﹤0.01% |
476,800
-276,100
| -37% | -$3.61M |
|
|
P
2791
PUT
Everpure Inc
P
$39.3B
| $13.8M | ﹤0.01% |
205,200
+500
| +0.2% | +$41.8K |
|
2792
D-Wave Quantum Inc
QBTS
$7.88B
| $13.7M | ﹤0.01% |
525,779
+272,620
| +108% | +$7.94M |
|
|
UCB
2793
United Community Banks
UCB
$4.43B
| $13.7M | ﹤0.01% |
440,046
-450,824
| -51% | -$13.9M |
|
2794
Camping World
CWH
$662M
| $13.7M | ﹤0.01% |
1,410,985
-20,599
| -1% | -$255K |
|
2795
CALL
ProShares UltraPro Dow 30
UDOW
$924M
| $13.7M | ﹤0.01% |
236,600
+101,400
| +75% | +$5.67M |
|
2796
iShares MSCI Spain ETF
EWP
$2.22B
| $13.7M | ﹤0.01% |
+254,089
| New | +$13M |
|
2797
PUT
ProShares UltraShort Bitcoin ETF
SBIT
$177M
| $13.7M | ﹤0.01% |
311,600
+290,440
| +1,373% | +$10.7M |
|
2798
Stantec
STN
$8.28B
| $13.7M | ﹤0.01% |
+144,921
| New | +$14.9M |
|
2799
Fulcrum Therapeutics
FULC
$285M
| $13.7M | ﹤0.01% |
1,207,004
+352,448
| +41% | +$3.59M |
|
2800
CALL
Ouster
OUST
$3.51B
| $13.6M | ﹤0.01% |
630,700
+10,500
| +2% | +$277K |
|
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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.