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 | |
|---|---|---|---|---|---|---|
4476
Mohawk Industries
MHK
$9.49B
| $4.31M | ﹤0.01% |
39,389
-1,190,233
| -97% | -$137M |
|
4477
CALL
Delek US
DK
$4.01B
| $4.3M | ﹤0.01% |
145,100
-185,800
| -56% | -$6.63M |
|
4478
Gentherm
THRM
$1.35B
| $4.3M | ﹤0.01% |
118,235
-183,714
| -61% | -$6.62M |
|
|
ETOR
4479
PUT
eToro Group
ETOR
$2.27B
| $4.3M | ﹤0.01% |
122,400
+42,100
| +52% | +$1.63M |
|
4480
CALL
Hallador Energy
HNRG
$762M
| $4.29M | ﹤0.01% |
225,500
-50,500
| -18% | -$1.02M |
|
4481
POET Technologies
POET
$1.65B
| $4.29M | ﹤0.01% |
+678,216
| New | +$4.3M |
|
|
PPIH
4482
CALL
Perma-Pipe International
PPIH
$218M
| $4.29M | ﹤0.01% |
141,400
+106,600
| +306% | +$2.92M |
|
|
SOLZ
4483
CALL
Solana ETF
SOLZ
$86.9M
| $4.29M | ﹤0.01% |
336,900
+190,300
| +130% | +$3.18M |
|
4484
CALL
Waters Corp
WAT
$40.5B
| $4.29M | ﹤0.01% |
11,300
+1,000
| +10% | +$368K |
|
4485
Kyndryl
KD
$2.87B
| $4.29M | ﹤0.01% |
161,551
+87,146
| +117% | +$2.36M |
|
|
ONT
4486
Onterris Inc
ONT
$619M
| $4.29M | ﹤0.01% |
172,754
-63,227
| -27% | -$1.67M |
|
4487
First Trust Nasdaq Semiconductor ETF
FTXL
$1.38B
| $4.29M | ﹤0.01% |
33,085
+30,048
| +989% | +$3.72M |
|
4488
Invesco Global Water ETF
PIO
$275M
| $4.28M | ﹤0.01% |
97,010
+30,890
| +47% | +$1.39M |
|
4489
PUT
NOV
NOV
$7.54B
| $4.28M | ﹤0.01% |
274,000
-57,400
| -17% | -$851K |
|
4490
Ziff Davis
ZD
$1.9B
| $4.28M | ﹤0.01% |
121,830
+97,800
| +407% | +$3.41M |
|
4491
Wynn Resorts
WYNN
$10.6B
| $4.28M | ﹤0.01% |
35,573
-310,663
| -90% | -$38.4M |
|
|
FPI
4492
Farmland Partners
FPI
$433M
| $4.28M | ﹤0.01% |
441,650
+274,390
| +164% | +$2.75M |
|
4493
PUT
Watsco Inc
WSO
$12.9B
| $4.28M | ﹤0.01% |
12,700
+300
| +2% | +$107K |
|
4494
CALL
FLEX LNG
FLNG
$1.67B
| $4.28M | ﹤0.01% |
171,500
-3,600
| -2% | -$91.8K |
|
4495
CALL
FuboTV Inc
FUBO
$307M
| $4.28M | ﹤0.01% |
141,475
+325
| +0.2% | +$13K |
|
4496
Concentrix
CNXC
$1.49B
| $4.27M | ﹤0.01% |
102,812
+61,750
| +150% | +$2.51M |
|
4497
PUT
Boston Beer
SAM
$1.91B
| $4.27M | ﹤0.01% |
21,900
+600
| +3% | +$124K |
|
4498
ThredUp
TDUP
$403M
| $4.27M | ﹤0.01% |
668,720
-170,849
| -20% | -$1.38M |
|
4499
iShares MSCI Hong Kong ETF
EWH
$1.21B
| $4.27M | ﹤0.01% |
201,044
-97,141
| -33% | -$2.11M |
|
4500
Plug Power
PLUG
$3.24B
| $4.27M | ﹤0.01% |
2,168,121
-971,650
| -31% | -$2.54M |
|
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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.