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 | |
|---|---|---|---|---|---|---|
4476
CALL
Cirrus Logic
CRUS
$6.07B
| $4.6M | ﹤0.01% |
36,700
-21,300
| -37% | -$2.37M |
|
|
SEM
4477
DELISTED
Select Medical
SEM
| $4.6M | ﹤0.01% |
357,950
-142,833
| -29% | -$1.9M |
|
4478
Under Armour Class C
UA
$2.26B
| $4.59M | ﹤0.01% |
950,737
-623,763
| -40% | -$3.49M |
|
4479
PUT
Icon
ICLR
$12.6B
| $4.58M | ﹤0.01% |
26,200
+8,100
| +45% | +$1.36M |
|
4480
PUT
Canadian Solar
CSIQ
$1.03B
| $4.58M | ﹤0.01% |
351,600
+67,700
| +24% | +$810K |
|
4481
PUT
HEICO Corp
HEI
$52.4B
| $4.58M | ﹤0.01% |
14,200
-5,300
| -27% | -$1.69M |
|
4482
Ibotta
IBTA
$783M
| $4.58M | ﹤0.01% |
164,556
-906,596
| -85% | -$28.4M |
|
4483
Kraft Heinz
KHC
$30.3B
| $4.58M | ﹤0.01% |
+175,824
| New | +$4.78M |
|
4484
CALL
Energizer
ENR
$1.56B
| $4.58M | ﹤0.01% |
183,900
+153,000
| +495% | +$4M |
|
4485
PUT
SLM Corp
SLM
$5.27B
| $4.58M | ﹤0.01% |
165,300
-49,600
| -23% | -$1.55M |
|
4486
PUT
Woodward
WWD
$21.9B
| $4.57M | ﹤0.01% |
18,100
-2,500
| -12% | -$621K |
|
|
TRML
4487
DELISTED
Tourmaline Bio
TRML
| $4.57M | ﹤0.01% |
+95,621
| New | +$2.65M |
|
4488
Vir Biotechnology
VIR
$1.56B
| $4.56M | ﹤0.01% |
799,034
-2,665,883
| -77% | -$13.6M |
|
4489
Glaukos
GKOS
$10.9B
| $4.56M | ﹤0.01% |
55,940
-264,572
| -83% | -$24.3M |
|
4490
PUT
ScottsMiracle-Gro
SMG
$3.55B
| $4.56M | ﹤0.01% |
80,000
-9,800
| -11% | -$618K |
|
4491
CALL
Global Ship Lease
GSL
$1.52B
| $4.55M | ﹤0.01% |
148,300
+6,000
| +4% | +$179K |
|
4492
Clover Health Investments
CLOV
$2.44B
| $4.55M | ﹤0.01% |
1,487,650
-2,042,721
| -58% | -$5.83M |
|
4493
PUT
YieldMax Ultra Option Income Strategy ETF
ULTY
$767M
| $4.55M | ﹤0.01% |
83,200
+65,320
| +365% | +$3.87M |
|
4494
CALL
OppFi
OPFI
$610M
| $4.55M | ﹤0.01% |
401,600
+19,800
| +5% | +$222K |
|
4495
CALL
iShares Expanded Tech Sector ETF
IGM
$10.9B
| $4.55M | ﹤0.01% |
36,100
+2,200
| +6% | +$259K |
|
4496
CALL
Hormel Foods
HRL
$13.5B
| $4.53M | ﹤0.01% |
183,300
+24,800
| +16% | +$687K |
|
4497
CALL
Crinetics Pharmaceuticals
CRNX
$8.99B
| $4.53M | ﹤0.01% |
108,800
+69,100
| +174% | +$2.21M |
|
4498
BGC Group
BGC
$5.33B
| $4.53M | ﹤0.01% |
478,792
+33,039
| +7% | +$331K |
|
4499
Capital Southwest
CSWC
$1.59B
| $4.53M | ﹤0.01% |
207,150
-202,091
| -49% | -$4.6M |
|
4500
Community Health Systems
CYH
$423M
| $4.52M | ﹤0.01% |
1,409,495
-1,946,851
| -58% | -$5.84M |
|
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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.