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 | |
|---|---|---|---|---|---|---|
5251
Invesco S&P 500 Low Volatility ETF
SPLV
$7.17B
| $2.81M | ﹤0.01% |
39,408
-18,748
| -32% | -$1.35M |
|
5252
PUT
Richtech Robotics
RR
$402M
| $2.81M | ﹤0.01% |
871,300
+153,200
| +21% | +$677K |
|
|
AEVA
5253
PUT
Aeva Technologies
AEVA
$1.62B
| $2.81M | ﹤0.01% |
211,700
-132,000
| -38% | -$1.88M |
|
|
DFTX
5254
Definium Therapeutics
DFTX
$5.73B
| $2.81M | ﹤0.01% |
209,944
-129,494
| -38% | -$1.6M |
|
|
UNHG
5255
CALL
Leverage Shares 2X Long UNH Daily ETF
UNHG
$71.6M
| $2.81M | ﹤0.01% |
167,300
-60,200
| -26% | -$1.2M |
|
5256
ProShares UltraShort Dow 30
DXD
$42.7M
| $2.81M | ﹤0.01% |
+136,994
| New | +$2.92M |
|
5257
PUT
Vanguard Morningstar Value ETF
VTV
$194B
| $2.81M | ﹤0.01% |
14,700
+9,400
| +177% | +$1.77M |
|
5258
Enerpac Tool Group
EPAC
$1.89B
| $2.81M | ﹤0.01% |
73,394
-1,196
| -2% | -$47.4K |
|
5259
ProShares UltraPro Short Dow 30
SDOW
$174M
| $2.8M | ﹤0.01% |
+87,701
| New | +$2.98M |
|
5260
Daktronics
DAKT
$986M
| $2.8M | ﹤0.01% |
141,610
+70,335
| +99% | +$1.34M |
|
|
PRMB
5261
PUT
Primo Brands
PRMB
$8.94B
| $2.8M | ﹤0.01% |
171,200
+4,300
| +3% | +$79.5K |
|
5262
E.W. Scripps
SSP
$320M
| $2.8M | ﹤0.01% |
701,157
-188,731
| -21% | -$635K |
|
5263
PUT
WD-40
WDFC
$3.08B
| $2.8M | ﹤0.01% |
14,200
-10,600
| -43% | -$2.09M |
|
5264
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.21B
| $2.79M | ﹤0.01% |
+58,102
| New | +$2.81M |
|
5265
CALL
iShares Russell Mid-Cap Growth ETF
IWP
$21.2B
| $2.79M | ﹤0.01% |
20,400
-4,900
| -19% | -$685K |
|
5266
Cass Information Systems
CASS
$748M
| $2.79M | ﹤0.01% |
67,260
+53,160
| +377% | +$2.16M |
|
5267
PUT
Darling Ingredients
DAR
$10.6B
| $2.79M | ﹤0.01% |
77,500
-61,100
| -44% | -$2.07M |
|
5268
PUT
USA Compression Partners
USAC
$3.86B
| $2.79M | ﹤0.01% |
121,300
+78,500
| +183% | +$1.84M |
|
5269
PUT
iShares MSCI Taiwan ETF
EWT
$11.5B
| $2.79M | ﹤0.01% |
43,900
-35,600
| -45% | -$2.29M |
|
5270
CALL
Bio-Techne
TECH
$11.3B
| $2.79M | ﹤0.01% |
47,400
-22,300
| -32% | -$1.35M |
|
5271
Winmark
WINA
$1.26B
| $2.79M | ﹤0.01% |
6,879
+58
| +0.9% | +$24.8K |
|
5272
PUT
Flowserve
FLS
$10.3B
| $2.78M | ﹤0.01% |
40,100
-3,200
| -7% | -$206K |
|
|
DBVT
5273
DBV Technologies
DBVT
$881M
| $2.78M | ﹤0.01% |
145,129
+123,080
| +558% | +$1.92M |
|
5274
National Health Investors
NHI
$3.58B
| $2.78M | ﹤0.01% |
36,418
+24,248
| +199% | +$1.86M |
|
|
FITB
5275
PUT
Fifth Third Bancorp
FITB
$52.7B
| $2.78M | ﹤0.01% |
59,400
-58,800
| -50% | -$2.59M |
|
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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.