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 | |
|---|---|---|---|---|---|---|
11426
Consumer Portfolio Services
CPSS
$205M
| $163K | ﹤0.01% |
+21,562
| New | +$184K |
|
11427
CALL
Conduent
CNDT
$236M
| $163K | ﹤0.01% |
58,100
-42,000
| -42% | -$114K |
|
|
LCCC
11428
Lakeshore Acquisition III Corp
LCCC
| $163K | ﹤0.01% |
+16,121
| New | +$162K |
|
11429
PUT
Personalis
PSNL
$1.5B
| $162K | ﹤0.01% |
24,900
+3,800
| +18% | +$21.6K |
|
|
SIMA
11430
SIM Acquisition Corp I
SIMA
$90.3M
| $162K | ﹤0.01% |
15,460
+2,826
| +22% | +$29.5K |
|
11431
Barnes & Noble Education
BNED
$421M
| $162K | ﹤0.01% |
16,288
-180,715
| -92% | -$1.69M |
|
|
CTLP
11432
PUT
DELISTED
Cantaloupe
CTLP
| $162K | ﹤0.01% |
+15,300
| New | +$167K |
|
11433
CALL
Fathom Holdings
FTHM
$25.7M
| $162K | ﹤0.01% |
89,800
-139,800
| -61% | -$233K |
|
11434
CALL
IHS Holding
IHS
$2.82B
| $162K | ﹤0.01% |
23,700
-15,700
| -40% | -$105K |
|
|
NNDM
11435
CALL
Nano Dimension
NNDM
$344M
| $162K | ﹤0.01% |
102,900
+4,500
| +5% | +$6.56K |
|
11436
BRC Group Holdings
RILY
$299M
| $161K | ﹤0.01% |
+27,012
| New | +$149K |
|
11437
CALL
ProKidney
PROK
$278M
| $161K | ﹤0.01% |
66,600
-44,400
| -40% | -$118K |
|
11438
CALL
Regenxbio
RGNX
$711M
| $161K | ﹤0.01% |
16,700
-4,000
| -19% | -$35.4K |
|
11439
CALL
SIGA Technologies
SIGA
$216M
| $161K | ﹤0.01% |
17,600
+1,800
| +11% | +$14.4K |
|
|
OGG
11440
CALL
Osisko Gold Group
OGG
$872M
| $161K | ﹤0.01% |
47,500
-37,700
| -44% | -$100K |
|
|
HITI
11441
CALL
High Tide
HITI
$206M
| $160K | ﹤0.01% |
44,200
-26,200
| -37% | -$75.8K |
|
|
UYSCU
11442
UY Scuti Acquisition Corp Units
UYSCU
| $160K | ﹤0.01% |
15,547
+850
| +6% | +$8.75K |
|
|
UMH
11443
CALL
UMH Properties
UMH
$1.4B
| $160K | ﹤0.01% |
+10,800
| New | +$173K |
|
|
NBP
11444
PUT
NovaBridge Biosciences American Depositary Shares
NBP
$227M
| $160K | ﹤0.01% |
+42,300
| New | +$144K |
|
11445
Ideal Power
IPWR
$86M
| $160K | ﹤0.01% |
+31,740
| New | +$164K |
|
11446
PUT
Orthofix Medical
OFIX
$421M
| $160K | ﹤0.01% |
+10,900
| New | +$143K |
|
11447
PUT
ACV Auctions
ACVA
$1.4B
| $160K | ﹤0.01% |
+16,100
| New | +$206K |
|
11448
Vinci Compass Investments Ltd
VINP
$626M
| $159K | ﹤0.01% |
+14,816
| New | +$147K |
|
|
MDV
11449
Modiv Industrial
MDV
| $159K | ﹤0.01% |
10,861
-10,672
| -50% | -$158K |
|
11450
Stran & Co
SWAG
$35.4M
| $159K | ﹤0.01% |
95,724
+48,382
| +102% | +$77.8K |
|
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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.