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 | |
|---|---|---|---|---|---|---|
1851
Equity Residential
EQR
$24.7B
| $30.9M | ﹤0.01% |
490,071
+118,708
| +32% | +$7.28M |
|
|
JBS
1852
JBS N.V.
JBS
$44.9B
| $30.9M | ﹤0.01% |
2,139,884
+1,138,243
| +114% | +$15.6M |
|
1853
GE HealthCare
GEHC
$33.3B
| $30.8M | ﹤0.01% |
376,002
-1,663,347
| -82% | -$130M |
|
1854
PUT
Coeur Mining
CDE
$19.3B
| $30.8M | ﹤0.01% |
1,727,460
+792,300
| +85% | +$13.8M |
|
1855
Howmet Aerospace
HWM
$115B
| $30.8M | ﹤0.01% |
150,062
-51,851
| -26% | -$10.3M |
|
1856
CALL
Fluor
FLR
$7B
| $30.7M | ﹤0.01% |
775,800
-322,500
| -29% | -$14.3M |
|
1857
CALL
Intuitive Machines
LUNR
$3.05B
| $30.7M | ﹤0.01% |
1,890,800
+231,800
| +14% | +$2.68M |
|
1858
Rollins
ROL
$17.4B
| $30.6M | ﹤0.01% |
510,239
-222,793
| -30% | -$13.1M |
|
1859
Kiniksa Pharmaceuticals
KNSA
$5.99B
| $30.6M | ﹤0.01% |
742,118
+427,562
| +136% | +$17.2M |
|
1860
CALL
ProShares Ultra QQQ
QLD
$14.4B
| $30.6M | ﹤0.01% |
434,600
-1,000
| -0.2% | -$70.9K |
|
1861
Mercado Libre
MELI
$93.5B
| $30.6M | ﹤0.01% |
15,190
-16,598
| -52% | -$34.9M |
|
1862
CALL
Hilton Worldwide
HLT
$73.6B
| $30.5M | ﹤0.01% |
106,200
-47,300
| -31% | -$12.9M |
|
1863
PUT
Toast
TOST
$20.1B
| $30.5M | ﹤0.01% |
858,000
-166,300
| -16% | -$6M |
|
1864
PUT
Jefferies Financial Group
JEF
$12.7B
| $30.5M | ﹤0.01% |
491,600
+328,900
| +202% | +$18.9M |
|
|
HUT
1865
Hut 8
HUT
$10.5B
| $30.4M | ﹤0.01% |
662,324
+390,921
| +144% | +$17.2M |
|
1866
PUT
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.52B
| $30.4M | ﹤0.01% |
668,000
+266,500
| +66% | +$12.3M |
|
1867
PUT
Zillow
Z
$7.82B
| $30.4M | ﹤0.01% |
445,700
-386,500
| -46% | -$28M |
|
1868
PPG Industries
PPG
$25.4B
| $30.4M | ﹤0.01% |
296,644
+75,046
| +34% | +$7.54M |
|
|
REVG
1869
DELISTED
REV Group
REVG
| $30.4M | ﹤0.01% |
499,263
+400,359
| +405% | +$22.5M |
|
1870
PVH
PVH
$3.8B
| $30.4M | ﹤0.01% |
452,852
+37,515
| +9% | +$2.93M |
|
1871
CALL
CRISPR Therapeutics
CRSP
$5.18B
| $30.3M | ﹤0.01% |
578,700
-272,300
| -32% | -$16.3M |
|
1872
CALL
Stanley Black & Decker
SWK
$15.4B
| $30.3M | ﹤0.01% |
408,500
-42,100
| -9% | -$2.96M |
|
1873
American Airlines Group
AAL
$9.82B
| $30.3M | ﹤0.01% |
1,978,573
-5,179,623
| -72% | -$69.9M |
|
1874
Keurig Dr Pepper
KDP
$42.8B
| $30.3M | ﹤0.01% |
1,082,421
-11,616,721
| -91% | -$319M |
|
1875
PUT
American Electric Power
AEP
$68.4B
| $30.3M | ﹤0.01% |
262,500
+33,800
| +15% | +$3.99M |
|
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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.