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 | |
|---|---|---|---|---|---|---|
|
KDK
11326
Kodiak AI
KDK
$835M
| $180K | ﹤0.01% |
26,329
-13,734
| -34% | -$152K |
|
|
BLDP
11327
PUT
Ballard Power Systems
BLDP
$814M
| $180K | ﹤0.01% |
66,200
+37,700
| +132% | +$77.2K |
|
11328
CALL
Ranpak Holdings
PACK
$478M
| $180K | ﹤0.01% |
32,000
+12,300
| +62% | +$53.8K |
|
11329
CALL
Evolution Petroleum
EPM
$135M
| $180K | ﹤0.01% |
37,300
+17,700
| +90% | +$88.2K |
|
11330
Century Therapeutics
IPSC
$348M
| $180K | ﹤0.01% |
360,825
+174,291
| +93% | +$94K |
|
11331
CALL
Adaptive Biotechnologies
ADPT
$3.94B
| $180K | ﹤0.01% |
12,000
-6,000
| -33% | -$73.1K |
|
11332
PUT
Evolent Health
EVH
$529M
| $179K | ﹤0.01% |
+21,200
| New | +$206K |
|
11333
PUT
ReposiTrak
TRAK
$155M
| $179K | ﹤0.01% |
+12,100
| New | +$210K |
|
11334
CALL
Teekay
TK
$1.09B
| $179K | ﹤0.01% |
21,900
-82,100
| -79% | -$653K |
|
11335
Intellia Therapeutics
NTLA
$1.67B
| $179K | ﹤0.01% |
10,355
-699,626
| -99% | -$8.62M |
|
11336
Surrozen
SRZN
$282M
| $179K | ﹤0.01% |
13,875
+3,424
| +33% | +$35.9K |
|
11337
KVH Industries
KVHI
$145M
| $178K | ﹤0.01% |
31,827
-7,961
| -20% | -$44.2K |
|
|
NSLR
11338
CALL
Neostellar Capital Corp
NSLR
$278M
| $178K | ﹤0.01% |
19,800
+2,400
| +14% | +$20.8K |
|
11339
Bausch Health
BHC
$2.43B
| $178K | ﹤0.01% |
27,580
+5,760
| +26% | +$39.4K |
|
11340
CALL
Matrix Service
MTRX
$335M
| $178K | ﹤0.01% |
13,600
-58,400
| -81% | -$830K |
|
11341
Global Water Resources
GWRS
$248M
| $177K | ﹤0.01% |
17,212
-18,383
| -52% | -$183K |
|
11342
CALL
Atomera
ATOM
$219M
| $177K | ﹤0.01% |
40,100
-109,300
| -73% | -$449K |
|
|
YALA
11343
CALL
Yalla Group
YALA
$832M
| $177K | ﹤0.01% |
23,600
-14,900
| -39% | -$115K |
|
11344
Smart Sand
SND
$216M
| $177K | ﹤0.01% |
+82,611
| New | +$163K |
|
11345
Dynagas LNG Partners
DLNG
$140M
| $177K | ﹤0.01% |
50,320
+12,171
| +32% | +$44.3K |
|
11346
CALL
Inogen
INGN
$153M
| $176K | ﹤0.01% |
21,600
+4,300
| +25% | +$32.2K |
|
11347
PUT
MediaAlpha
MAX
$807M
| $176K | ﹤0.01% |
+15,500
| New | +$171K |
|
11348
PUT
Aemetis
AMTX
$128M
| $176K | ﹤0.01% |
78,300
+8,200
| +12% | +$21.8K |
|
11349
PUT
Arcos Dorados Holdings
ARCO
$1.67B
| $176K | ﹤0.01% |
26,100
-17,400
| -40% | -$123K |
|
11350
Alpha Pro Tech
APT
$55.4M
| $176K | ﹤0.01% |
36,795
+21,337
| +138% | +$102K |
|
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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.