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 | |
|---|---|---|---|---|---|---|
11901
Arbe Robotics
ARBE
$97.8M
| $84.7K | ﹤0.01% |
+51,309
| New | +$74.8K |
|
11902
PUT
Nkarta
NKTX
$167M
| $84.2K | ﹤0.01% |
40,700
-9,700
| -19% | -$19.9K |
|
11903
PUT
Taysha Gene Therapies
TSHA
$1.94B
| $84K | ﹤0.01% |
25,700
+8,700
| +51% | +$24.6K |
|
|
BRSP
11904
PUT
BrightSpire Capital
BRSP
$633M
| $83.6K | ﹤0.01% |
+15,400
| New | +$83.8K |
|
|
ATHE
11905
Alterity Therapeutics
ATHE
$86.8M
| $83.5K | ﹤0.01% |
+22,144
| New | +$107K |
|
11906
Stabilis Solutions
SLNG
$121M
| $83.5K | ﹤0.01% |
19,146
+5,238
| +38% | +$23K |
|
11907
RAVE Restaurant Group
RAVE
$43.2M
| $83.2K | ﹤0.01% |
25,150
-17,213
| -41% | -$53K |
|
|
LVTX
11908
DELISTED
LAVA Therapeutics
LVTX
| $83.2K | ﹤0.01% |
53,308
+1,504
| +3% | +$2.25K |
|
11909
Cheetah Net Supply Chain Service
CTNT
$5.09M
| $83.1K | ﹤0.01% |
235
+121
| +106% | +$39.5K |
|
11910
Protalix BioTherapeutics
PLX
$179M
| $82.8K | ﹤0.01% |
+37,306
| New | +$60.8K |
|
11911
AGAPE ATP
ATPC
$2.49M
| $82.4K | ﹤0.01% |
1,303
+637
| +96% | +$42.4K |
|
11912
Radiant Logistics
RLGT
$408M
| $82.3K | ﹤0.01% |
13,950
-24,244
| -63% | -$149K |
|
|
YMAT
11913
J-Star Holding Co
YMAT
$7.94M
| $82.2K | ﹤0.01% |
+13,706
| New | +$200K |
|
11914
PUT
Lloyds Banking Group
LYG
$90.1B
| $82.2K | ﹤0.01% |
18,100
-9,200
| -34% | -$40.2K |
|
|
FIAT
11915
PUT
YieldMax Short COIN Option Income Strategy ETF
FIAT
$33.9M
| $82.2K | ﹤0.01% |
3,010
-630
| -17% | -$19.7K |
|
11916
CALL
Arena Group
AREN
$54.8M
| $82K | ﹤0.01% |
15,000
-6,500
| -30% | -$40.4K |
|
|
AIOT
11917
CALL
PowerFleet Inc
AIOT
$417M
| $81.7K | ﹤0.01% |
15,600
-93,900
| -86% | -$434K |
|
|
BRY
11918
CALL
DELISTED
Berry Corp
BRY
| $81.6K | ﹤0.01% |
+21,600
| New | +$70K |
|
11919
CALL
SurgePays
SURG
$7.08M
| $81.5K | ﹤0.01% |
29,000
-30,700
| -51% | -$87K |
|
11920
CALL
Neuronetics
STIM
$230M
| $81.4K | ﹤0.01% |
29,800
+8,800
| +42% | +$31.3K |
|
|
UDMY
11921
PUT
DELISTED
Udemy
UDMY
| $81.3K | ﹤0.01% |
11,600
-10,400
| -47% | -$73K |
|
11922
PUT
Ovid Therapeutics
OVID
$553M
| $81.3K | ﹤0.01% |
+62,500
| New | +$54.2K |
|
11923
Atlantic American Corp
AAME
$29.6M
| $81.1K | ﹤0.01% |
+28,224
| New | +$78K |
|
|
GRCE
11924
Grace Therapeutics
GRCE
$45.4M
| $81K | ﹤0.01% |
27,265
-7,117
| -21% | -$22.3K |
|
11925
PUT
Aldeyra Therapeutics
ALDX
$94.1M
| $80.9K | ﹤0.01% |
+15,500
| New | +$80.8K |
|
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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.