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 |
Meta Platforms (Facebook)
META
|
+$1.45B |
| 2 |
Visa
V
|
+$1.05B |
| 3 |
Microsoft
MSFT
|
+$1.01B |
| 4 |
Apple
AAPL
|
+$578M |
| 5 |
Norfolk Southern
NSC
|
+$545M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
HES
Hess
HES
|
+$1.24B |
| 2 |
McDonald's
MCD
|
+$707M |
| 3 |
JPMorgan Chase
JPM
|
+$680M |
| 4 |
Texas Instruments
TXN
|
+$678M |
| 5 |
Edwards Lifesciences
EW
|
+$664M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.8% |
| 2 | Healthcare | 2.66% |
| 3 | Financials | 2.38% |
| 4 | Consumer Discretionary | 2.05% |
| 5 | Industrials | 2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3776
Acadia Pharmaceuticals
ACAD
$4.87B
| $6.9M | ﹤0.01% |
323,520
-2,689,176
| -89% | -$63.6M |
|
3777
PUT
Unusual Machines
UMAC
$1.7B
| $6.9M | ﹤0.01% |
457,000
+318,600
| +230% | +$3.36M |
|
3778
PUT
SiTime
SITM
$21.4B
| $6.9M | ﹤0.01% |
22,900
+7,000
| +44% | +$1.62M |
|
3779
Silicon Motion
SIMO
$9.12B
| $6.9M | ﹤0.01% |
72,751
-46,955
| -39% | -$3.73M |
|
3780
iShares Biotechnology ETF
IBB
$9.73B
| $6.9M | ﹤0.01% |
47,773
-110,612
| -70% | -$15.1M |
|
3781
PUT
GoDaddy
GDDY
$12B
| $6.88M | ﹤0.01% |
50,300
+28,100
| +127% | +$4.33M |
|
3782
PUT
Cognizant
CTSH
$26.5B
| $6.88M | ﹤0.01% |
102,600
+27,900
| +37% | +$2.02M |
|
|
VISN
3783
PUT
Vistance Networks Inc
VISN
$2.66B
| $6.88M | ﹤0.01% |
444,400
+152,400
| +52% | +$1.98M |
|
3784
Park Hotels & Resorts
PK
$3.05B
| $6.87M | ﹤0.01% |
620,187
-363,742
| -37% | -$4.09M |
|
3785
FIVE9
FIVN
$2.47B
| $6.87M | ﹤0.01% |
283,836
-275,881
| -49% | -$7.29M |
|
3786
Astronics
ATRO
$4.61B
| $6.86M | ﹤0.01% |
180,586
-373,354
| -67% | -$11.4M |
|
3787
CALL
CoinShares Bitcoin Mining ETF
WGMI
$243M
| $6.86M | ﹤0.01% |
155,100
+22,900
| +17% | +$690K |
|
3788
PUT
W.W. Grainger
GWW
$62.3B
| $6.86M | ﹤0.01% |
7,200
-24,600
| -77% | -$24.7M |
|
3789
Enbridge
ENB
$111B
| $6.86M | ﹤0.01% |
135,890
+45,457
| +50% | +$2.14M |
|
3790
CALL
Leonardo DRS
DRS
$12.2B
| $6.86M | ﹤0.01% |
151,000
+43,500
| +40% | +$1.9M |
|
3791
CALL
Hubbell
HUBB
$27B
| $6.84M | ﹤0.01% |
15,900
+3,100
| +24% | +$1.33M |
|
3792
SES AI
SES
$223M
| $6.84M | ﹤0.01% |
4,095,733
+3,832,786
| +1,458% | +$4.58M |
|
3793
Huron Consulting
HURN
$2.42B
| $6.84M | ﹤0.01% |
+46,601
| New | +$6.36M |
|
3794
CALL
US Foods
USFD
$23.6B
| $6.83M | ﹤0.01% |
89,200
-3,000
| -3% | -$239K |
|
3795
CACI
CACI
$14.8B
| $6.82M | ﹤0.01% |
13,677
-261,220
| -95% | -$126M |
|
3796
W.R. Berkley
WRB
$26.2B
| $6.82M | ﹤0.01% |
89,006
+70,805
| +389% | +$5.04M |
|
|
SAND
3797
DELISTED
Sandstorm Gold
SAND
| $6.81M | ﹤0.01% |
544,322
-1,419,532
| -72% | -$15.1M |
|
3798
UFP Industries
UFPI
$4.96B
| $6.81M | ﹤0.01% |
72,837
-25,793
| -26% | -$2.6M |
|
3799
CALL
Trimble
TRMB
$13.4B
| $6.8M | ﹤0.01% |
83,300
-6,300
| -7% | -$514K |
|
3800
CALL
Vista Energy
VIST
$7.56B
| $6.79M | ﹤0.01% |
197,400
+86,100
| +77% | +$3.56M |
|
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Ken Griffin's Q3 2025 Portfolio in Review
As of Q3 2025, Ken Griffin held 14,587 positions worth $657B, up 14% from $576B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
Ken Griffin's Q3 2025 filing shows 2,292 new, 5,364 increased, 4,887 reduced and 1,963 closed positions. Its largest new stake was Permian Resources: 18,381,735 shares worth $235M. The largest sale was Hess, an estimated $1.24B.
By sector, the portfolio is most concentrated in Technology at 3.8% of assets, up from 3.3% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q3 2025 buy was Permian Resources: 18,381,735 shares worth $235M.
- Ken Griffin added most to Meta Platforms (Facebook) in Q3 2025, an estimated $1.45B increase.
- Ken Griffin's biggest Q3 2025 reduction was McDonald's, cutting an estimated $707M.
- Ken Griffin fully exited Hess in Q3 2025, selling an estimated $1.24B.
- Ken Griffin's ten largest holdings make up 25% of its $657B portfolio in Q3 2025.
- Ken Griffin opened 2,292 new positions and closed 1,963 in Q3 2025.
- Ken Griffin's portfolio value rose 14% quarter-over-quarter to $657B.
Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.