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 | |
|---|---|---|---|---|---|---|
9851
CALL
Biomea Fusion
BMEA
$95.7M
| $364K | ﹤0.01% |
180,400
-76,000
| -30% | -$139K |
|
9852
PUT
PRA Group
PRAA
$776M
| $364K | ﹤0.01% |
+23,600
| New | +$382K |
|
9853
PUT
Enviri
NVRI
$579M
| $364K | ﹤0.01% |
28,700
-15,600
| -35% | -$161K |
|
|
FINV
9854
PUT
FinVolution Group
FINV
$1.03B
| $364K | ﹤0.01% |
+49,400
| New | +$433K |
|
|
PCLO
9855
Virtus SEIX AAA Private Credit CLO ETF
PCLO
$20M
| $364K | ﹤0.01% |
+14,598
| New | +$365K |
|
9856
FuelCell Energy
FCEL
$1.79B
| $364K | ﹤0.01% |
+46,657
| New | +$254K |
|
9857
Expensify
EXFY
$210M
| $364K | ﹤0.01% |
196,662
-466,338
| -70% | -$944K |
|
9858
Universal Electronics
UEIC
$67.9M
| $364K | ﹤0.01% |
78,005
+19,847
| +34% | +$109K |
|
9859
PUT
Frontier Group Holdings
ULCC
$1.54B
| $363K | ﹤0.01% |
82,300
+29,800
| +57% | +$135K |
|
|
9860
Biomea Fusion
BMEA
$95.7M
| $363K | ﹤0.01% |
+179,825
| New | +$329K |
|
9861
CALL
Nicolet Bankshares
NIC
$3.75B
| $363K | ﹤0.01% |
+2,700
| New | +$358K |
|
9862
PUT
Hancock Whitney
HWC
$6.4B
| $363K | ﹤0.01% |
+5,800
| New | +$355K |
|
9863
CALL
American Public Education
APEI
$828M
| $363K | ﹤0.01% |
+9,200
| New | +$292K |
|
9864
iShares Russell 3000 ETF
IWV
$20.5B
| $363K | ﹤0.01% |
958
-1,701
| -64% | -$620K |
|
9865
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.96B
| $363K | ﹤0.01% |
+14,281
| New | +$348K |
|
9866
Mid Penn Bancorp
MPB
$974M
| $363K | ﹤0.01% |
12,669
+636
| +5% | +$18.5K |
|
9867
Global X Video Games & Esports ETF
HERO
$69.1M
| $363K | ﹤0.01% |
10,701
-10,033
| -48% | -$328K |
|
9868
Star Holdings Shares of Beneficial Interest
STHO
$118M
| $362K | ﹤0.01% |
44,041
-7,554
| -15% | -$61.3K |
|
9869
CALL
Seacoast Banking Corp of Florida
SBCF
$3.5B
| $362K | ﹤0.01% |
11,900
-100
| -0.8% | -$2.96K |
|
9870
CALL
Sana Biotechnology
SANA
$1.06B
| $362K | ﹤0.01% |
102,000
-80,900
| -44% | -$292K |
|
9871
Edgewise Therapeutics
EWTX
$4.8B
| $362K | ﹤0.01% |
22,317
-302,932
| -93% | -$4.3M |
|
9872
CALL
Kura Oncology
KURA
$966M
| $362K | ﹤0.01% |
40,900
+21,500
| +111% | +$153K |
|
9873
PUT
GeoPark
GPRK
$615M
| $362K | ﹤0.01% |
56,800
+36,700
| +183% | +$242K |
|
9874
Innovator International Developed Power Buffer ETF July
IJUL
$258M
| $362K | ﹤0.01% |
+11,064
| New | +$356K |
|
9875
Park Aerospace
PKE
$831M
| $362K | ﹤0.01% |
+17,776
| New | +$322K |
|
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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.