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 | |
|---|---|---|---|---|---|---|
12051
CALL
CEMIG Preferred Shares
CIG
$5.52B
| $61K | ﹤0.01% |
28,900
-16,500
| -36% | -$32.4K |
|
12052
Pyxis Tankers
PXS
$52.8M
| $60.7K | ﹤0.01% |
21,305
+1,005
| +5% | +$2.84K |
|
12053
PUT
Compugen
CGEN
$228M
| $60.7K | ﹤0.01% |
41,300
+9,200
| +29% | +$13.7K |
|
12054
CALL
RPC Inc
RES
$1.41B
| $60.5K | ﹤0.01% |
+12,700
| New | +$59.9K |
|
12055
PUT
Claros Mortgage Trust
CMTG
$257M
| $60.4K | ﹤0.01% |
+18,200
| New | +$61.3K |
|
|
NMG
12056
PUT
Nouveau Monde Graphite
NMG
$484M
| $60.2K | ﹤0.01% |
21,200
+1,300
| +7% | +$2.59K |
|
12057
CALL
TriplePoint Venture Growth BDC
TPVG
$221M
| $60K | ﹤0.01% |
10,400
-58,200
| -85% | -$387K |
|
12058
PUT
PetMed Express
PETS
$39.6M
| $59.7K | ﹤0.01% |
23,800
-21,500
| -47% | -$66.5K |
|
12059
Ocean Power Technologies
OPTT
$55.9M
| $59.7K | ﹤0.01% |
+118,531
| New | +$64.8K |
|
12060
CALL
Advantage Solutions
ADV
$420M
| $59.7K | ﹤0.01% |
1,560
+292
| +23% | +$12.1K |
|
12061
Estrella Immunopharma
ESLA
$31.1M
| $59.6K | ﹤0.01% |
50,122
-34
| -0.1% | -$33 |
|
12062
Hydrofarm Holdings
HYFM
$7M
| $59.5K | ﹤0.01% |
+18,079
| New | +$71.6K |
|
|
FAT
12063
DELISTED
FAT Brands
FAT
| $59.4K | ﹤0.01% |
30,473
+15,617
| +105% | +$33K |
|
12064
China Pharma Holdings
CPHI
$45.8M
| $59.3K | ﹤0.01% |
30,426
+7,356
| +32% | +$12.5K |
|
12065
CALL
Spruce Power Holding Corp
SPRU
$35.4M
| $59.3K | ﹤0.01% |
+24,200
| New | +$37.7K |
|
|
TBHC
12066
CALL
DELISTED
The Brand House Collective
TBHC
| $59.2K | ﹤0.01% |
+36,300
| New | +$55K |
|
12067
CALL
Standard BioTools
LAB
$280M
| $59.1K | ﹤0.01% |
45,500
+10,600
| +30% | +$13.9K |
|
12068
Foghorn Therapeutics
FHTX
$372M
| $58.8K | ﹤0.01% |
+12,027
| New | +$63.8K |
|
12069
PUT
Mercer International
MERC
$31.6M
| $58.8K | ﹤0.01% |
20,400
-15,800
| -44% | -$52.1K |
|
12070
Ostin Technology Group
OST
| $58.7K | ﹤0.01% |
+34,652
| New | +$82.1K |
|
|
GURE
12071
Gulf Resources
GURE
$4.63M
| $58.7K | ﹤0.01% |
11,294
+6,582
| +140% | +$45.2K |
|
12072
CALL
Sensus Healthcare
SRTS
$47.1M
| $58.7K | ﹤0.01% |
+18,700
| New | +$73.4K |
|
12073
SOPHiA GENETICS
SOPH
$638M
| $58.6K | ﹤0.01% |
12,320
-26,791
| -68% | -$92.1K |
|
12074
CALL
AdvisorShares Pure Cannabis ETF
YOLO
$32.3M
| $58.6K | ﹤0.01% |
+16,600
| New | +$46.2K |
|
12075
CALL
Tilly's
TLYS
$122M
| $58.3K | ﹤0.01% |
28,300
+6,700
| +31% | +$11.6K |
|
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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.