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 | |
|---|---|---|---|---|---|---|
11976
CALL
Helix Energy Solutions
HLX
$1.54B
| $72.2K | ﹤0.01% |
11,000
-14,200
| -56% | -$89.4K |
|
11977
CALL
Senseonics Holdings Inc
SENS
$413M
| $72K | ﹤0.01% |
8,265
-7,610
| -48% | -$73.5K |
|
11978
PUT
Gevo
GEVO
$418M
| $71.9K | ﹤0.01% |
36,700
-88,900
| -71% | -$145K |
|
11979
Ampco-Pittsburgh
AP
$194M
| $71.9K | ﹤0.01% |
+31,396
| New | +$93.2K |
|
11980
Enlivex Ltd
ENLV
$26.6M
| $71.7K | ﹤0.01% |
+4,596
| New | +$82.8K |
|
11981
CALL
Under Armour Class C
UA
$2.26B
| $71.5K | ﹤0.01% |
14,800
-30,800
| -68% | -$172K |
|
11982
PUT
Polestar Automotive Holding UK
PSNY
$2.06B
| $71.4K | ﹤0.01% |
2,533
+540
| +27% | +$17.3K |
|
11983
CALL
MiMedx Group
MDXG
$622M
| $71.2K | ﹤0.01% |
+10,200
| New | +$70.9K |
|
11984
Galmed Pharmaceuticals
GLMD
$4.32M
| $71.2K | ﹤0.01% |
+50,492
| New | +$81.1K |
|
11985
Aethlon Medical
AEMD
$1.49M
| $71.2K | ﹤0.01% |
+1,902
| New | +$110K |
|
11986
PUT
Laser Photonics
LASE
$74.3M
| $71.1K | ﹤0.01% |
16,500
+3,100
| +23% | +$10K |
|
11987
TH International
THCH
$50.9M
| $71.1K | ﹤0.01% |
27,033
+9,227
| +52% | +$25K |
|
|
KZR
11988
DELISTED
Kezar Life Sciences
KZR
| $71.1K | ﹤0.01% |
+18,221
| New | +$74.7K |
|
11989
System1
SST
$24.6M
| $70.8K | ﹤0.01% |
+10,056
| New | +$69.5K |
|
11990
Neonode
NEON
$15.3M
| $70.7K | ﹤0.01% |
+20,267
| New | +$374K |
|
11991
CALL
Lightwave Logic
LWLG
$1.17B
| $70.5K | ﹤0.01% |
19,000
+2,700
| +17% | +$6.96K |
|
11992
PodcastOne
PODC
$95.7M
| $70.5K | ﹤0.01% |
41,958
+30,541
| +268% | +$54.8K |
|
11993
Pangaea Logistics
PANL
$487M
| $70K | ﹤0.01% |
13,780
-73
| -0.5% | -$378 |
|
|
XRTX
11994
XORTX Therapeutics
XRTX
$3.73M
| $69.9K | ﹤0.01% |
17,265
+9,571
| +124% | +$40.1K |
|
11995
CALL
InflaRx
IFRX
$301M
| $69.7K | ﹤0.01% |
52,000
+19,300
| +59% | +$20.5K |
|
11996
PUT
Mizuho Financial
MFG
$132B
| $69.7K | ﹤0.01% |
10,400
-200
| -2% | -$1.25K |
|
|
KIDZ
11997
CALL
KIDZ AI Inc Class B
KIDZ
$1.38M
| $69.5K | ﹤0.01% |
+8
| New | +$107K |
|
11998
PUT
Five Point Holdings
FPH
$371M
| $69.3K | ﹤0.01% |
11,300
-11,900
| -51% | -$69.1K |
|
|
NXDR
11999
PUT
Nextdoor Holdings
NXDR
$998M
| $69.2K | ﹤0.01% |
33,100
-700
| -2% | -$1.36K |
|
12000
CALL
RLX Technology
RLX
$2.37B
| $69.2K | ﹤0.01% |
26,300
+5,500
| +26% | +$13.1K |
|
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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.