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 | |
|---|---|---|---|---|---|---|
12076
PUT
Valens Semiconductor
VLN
$210M
| $58.2K | ﹤0.01% |
32,500
+19,000
| +141% | +$42.9K |
|
12077
AC Immune
ACIU
$248M
| $58.1K | ﹤0.01% |
20,113
-125,886
| -86% | -$284K |
|
12078
PUT
BARK
BARK
$91.4M
| $58.1K | ﹤0.01% |
3,495
+2,870
| +459% | +$50.7K |
|
|
MKZR
12079
MacKenzie Realty Capital
MKZR
$3.65M
| $58K | ﹤0.01% |
+11,639
| New | +$67.7K |
|
|
LPRO
12080
CALL
DELISTED
Open Lending Corp
LPRO
| $57.8K | ﹤0.01% |
27,400
-47,300
| -63% | -$107K |
|
12081
CALL
Brilliant Earth
BRLT
$22.5M
| $57.8K | ﹤0.01% |
+27,900
| New | +$56.2K |
|
12082
PUT
Fossil Group
FOSL
$329M
| $57.6K | ﹤0.01% |
22,400
+2,400
| +12% | +$5.67K |
|
12083
CALL
Quanterix
QTRX
$122M
| $57.6K | ﹤0.01% |
+10,600
| New | +$56.4K |
|
12084
CALL
Eve Holding
EVEX
$951M
| $57.5K | ﹤0.01% |
15,100
-10,200
| -40% | -$54.3K |
|
12085
CALL
Outdoor Holding Co
POWW
$260M
| $57.3K | ﹤0.01% |
38,700
-3,900
| -9% | -$5.2K |
|
|
FOXX
12086
Foxx Development Holdings
FOXX
$18.1M
| $57.2K | ﹤0.01% |
+12,025
| New | +$70.1K |
|
12087
Wheels Up
UP
$182M
| $57K | ﹤0.01% |
+1,549
| New | +$56.5K |
|
12088
CALL
BuzzFeed
BZFD
$92.5M
| $57K | ﹤0.01% |
33,500
-14,200
| -30% | -$28.9K |
|
|
12089
CALL
BARK
BARK
$91.4M
| $56.9K | ﹤0.01% |
3,425
+685
| +25% | +$12.1K |
|
12090
CALL
Stagwell
STGW
$2.23B
| $56.9K | ﹤0.01% |
10,100
-6,400
| -39% | -$34K |
|
12091
CALL
Protara Therapeutics
TARA
$235M
| $56.5K | ﹤0.01% |
13,000
-8,200
| -39% | -$26.6K |
|
|
TWAV
12092
TaoWeave Inc
TWAV
$4.92M
| $56.5K | ﹤0.01% |
+21,893
| New | +$78.3K |
|
12093
CALL
Playboy Inc
PLBY
$151M
| $56.4K | ﹤0.01% |
38,400
-11,600
| -23% | -$19.9K |
|
12094
CALL
Transact Technologies
TACT
$53.2M
| $56.4K | ﹤0.01% |
10,400
-8,400
| -45% | -$35.5K |
|
12095
CALL
Urban One Class A
UONE
$23.3M
| $56.3K | ﹤0.01% |
+4,080
| New | +$66K |
|
12096
Smith Micro Software
SMSI
$16M
| $56.3K | ﹤0.01% |
15,561
-7,185
| -32% | -$27.8K |
|
12097
Verde Clean Fuels
VGAS
$30.6M
| $56.2K | ﹤0.01% |
18,426
-889
| -5% | -$2.71K |
|
12098
Getty Images
GETY
$129M
| $56.1K | ﹤0.01% |
+28,339
| New | +$52.5K |
|
12099
EpicQuest Education Group
EEIQ
$3.8M
| $55.6K | ﹤0.01% |
7,847
+6,256
| +393% | +$55.6K |
|
|
PMNT
12100
DELISTED
PERFECT MOMENT LTD
PMNT
| $55.6K | ﹤0.01% |
+126,151
| New | +$49.6K |
|
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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.