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 | |
|---|---|---|---|---|---|---|
4851
Employers Holdings
EIG
$875M
| $3.75M | ﹤0.01% |
88,237
+18,948
| +27% | +$825K |
|
4852
China Yuchai International
CYD
$1.7B
| $3.75M | ﹤0.01% |
90,579
+75,195
| +489% | +$2.27M |
|
4853
Pentair
PNR
$10.6B
| $3.75M | ﹤0.01% |
33,822
+26,440
| +358% | +$2.82M |
|
4854
PUT
Zimmer Biomet
ZBH
$19.2B
| $3.74M | ﹤0.01% |
38,000
+3,300
| +10% | +$327K |
|
|
NNDM
4855
Nano Dimension
NNDM
$344M
| $3.74M | ﹤0.01% |
2,382,717
+744,042
| +45% | +$1.09M |
|
4856
CALL
Halozyme
HALO
$11.2B
| $3.74M | ﹤0.01% |
51,000
+4,100
| +9% | +$272K |
|
4857
Schneider National
SNDR
$6.33B
| $3.74M | ﹤0.01% |
+176,601
| New | +$4.32M |
|
4858
nLIGHT
LASR
$3.03B
| $3.74M | ﹤0.01% |
126,113
-284,384
| -69% | -$7.05M |
|
|
PENG
4859
Penguin Solutions Inc
PENG
$3.27B
| $3.73M | ﹤0.01% |
141,990
+55,967
| +65% | +$1.37M |
|
|
ACB
4860
CALL
Aurora Cannabis
ACB
$233M
| $3.73M | ﹤0.01% |
625,050
+392,280
| +169% | +$1.92M |
|
4861
Wingstop
WING
$3.44B
| $3.72M | ﹤0.01% |
14,787
-341,691
| -96% | -$106M |
|
4862
CALL
Vanguard Morningstar Small-Cap Growth ETF
VBK
$25B
| $3.72M | ﹤0.01% |
12,500
+3,000
| +32% | +$866K |
|
4863
Trupanion
TRUP
$1.34B
| $3.72M | ﹤0.01% |
85,903
-58,457
| -40% | -$2.78M |
|
4864
CALL
Allegro MicroSystems
ALGM
$8.27B
| $3.71M | ﹤0.01% |
127,100
-5,500
| -4% | -$178K |
|
4865
Brandes International ETF
BINV
$538M
| $3.71M | ﹤0.01% |
96,576
+86,723
| +880% | +$3.21M |
|
|
TRSY
4866
Xtrackers US 0-1 Year Treasury ETF
TRSY
$93M
| $3.71M | ﹤0.01% |
122,942
+116,198
| +1,723% | +$3.5M |
|
4867
PUT
Reinsurance Group of America
RGA
$16.3B
| $3.71M | ﹤0.01% |
19,300
+16,600
| +615% | +$3.18M |
|
|
PR
4868
CALL
Permian Resources
PR
$18B
| $3.7M | ﹤0.01% |
289,400
-269,300
| -48% | -$3.69M |
|
|
MESO
4869
CALL
Mesoblast
MESO
$2.02B
| $3.7M | ﹤0.01% |
229,800
+88,450
| +63% | +$1.29M |
|
|
STUB
4870
CALL
StubHub Holdings
STUB
$3.09B
| $3.7M | ﹤0.01% |
+219,700
| New | +$4.03M |
|
|
BSCP
4871
DELISTED
Invesco BulletShares 2025 Corporate Bond ETF
BSCP
| $3.7M | ﹤0.01% |
178,773
-309,780
| -63% | -$6.41M |
|
4872
CALL
Lazard
LAZ
$4.35B
| $3.69M | ﹤0.01% |
70,000
-2,700
| -4% | -$146K |
|
4873
Magnite
MGNI
$3.55B
| $3.69M | ﹤0.01% |
169,561
-665,541
| -80% | -$15.7M |
|
4874
CALL
Neurocrine Biosciences
NBIX
$15.5B
| $3.69M | ﹤0.01% |
26,300
+5,800
| +28% | +$786K |
|
4875
Gray Television
GTN
$538M
| $3.69M | ﹤0.01% |
638,663
-587,027
| -48% | -$3.19M |
|
Similar funds
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.