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 | |
|---|---|---|---|---|---|---|
1351
Semtech
SMTC
$12.9B
| $50.6M | 0.01% |
707,834
+177,519
| +33% | +$9.64M |
|
1352
Onto Innovation
ONTO
$20.5B
| $50.6M | 0.01% |
391,282
+102,218
| +35% | +$10.9M |
|
1353
CALL
Peabody Energy
BTU
$3.06B
| $50.4M | 0.01% |
1,902,000
+530,000
| +39% | +$9.45M |
|
1354
Agilent Technologies
A
$41.9B
| $50.4M | 0.01% |
392,663
-1,255,236
| -76% | -$152M |
|
1355
CALL
Quantum Computing Inc
QUBT
$2.04B
| $50.4M | 0.01% |
2,737,200
+489,700
| +22% | +$8.4M |
|
1356
Ares Capital
ARCC
$14.4B
| $50.3M | 0.01% |
2,464,165
+2,410,728
| +4,511% | +$53.6M |
|
1357
CALL
Cardinal Health
CAH
$54.1B
| $50M | 0.01% |
318,400
-58,400
| -15% | -$9.02M |
|
1358
C.H. Robinson
CHRW
$17.5B
| $50M | 0.01% |
377,415
-717,677
| -66% | -$84.2M |
|
1359
LyondellBasell Industries
LYB
$20.7B
| $49.9M | 0.01% |
1,017,737
+931,710
| +1,083% | +$52.5M |
|
1360
Viking Therapeutics
VKTX
$3.83B
| $49.9M | 0.01% |
1,898,342
+1,025,367
| +117% | +$30.6M |
|
1361
Americold
COLD
$4.27B
| $49.9M | 0.01% |
4,074,369
+932,139
| +30% | +$13.9M |
|
1362
CALL
Rubrik
RBRK
$21.1B
| $49.8M | 0.01% |
605,400
+219,800
| +57% | +$18.9M |
|
1363
PUT
ProShares UltraPro Short QQQ
SQQQ
$1.69B
| $49.7M | 0.01% |
652,824
+345,496
| +112% | +$30.6M |
|
1364
PUT
Nextpower Inc
NXT
$15.9B
| $49.7M | 0.01% |
671,038
+206,100
| +44% | +$13.3M |
|
1365
Williams-Sonoma
WSM
$28.6B
| $49.6M | 0.01% |
254,029
+95,023
| +60% | +$18.2M |
|
1366
CubeSmart
CUBE
$9.44B
| $49.4M | 0.01% |
+1,216,085
| New | +$49.6M |
|
1367
Synaptics
SYNA
$4.23B
| $49.4M | 0.01% |
723,495
-239,084
| -25% | -$16.3M |
|
1368
Levi Strauss
LEVI
$8.56B
| $49.4M | 0.01% |
2,118,857
-871,876
| -29% | -$18.5M |
|
1369
CALL
Stryker
SYK
$130B
| $49.3M | 0.01% |
133,400
-47,600
| -26% | -$18.4M |
|
|
VRNA
1370
DELISTED
Verona Pharma
VRNA
| $49.3M | 0.01% |
461,869
-934,775
| -67% | -$97.6M |
|
1371
Celanese
CE
$4.96B
| $49.3M | 0.01% |
1,170,904
-249,729
| -18% | -$12.4M |
|
1372
TTM Technologies
TTMI
$14.7B
| $49.2M | 0.01% |
854,939
+556,944
| +187% | +$25.9M |
|
1373
Etsy
ETSY
$7.4B
| $49.2M | 0.01% |
740,751
+142,506
| +24% | +$8.51M |
|
1374
PUT
Boston Scientific
BSX
$75.8B
| $49.1M | 0.01% |
503,300
+33,300
| +7% | +$3.45M |
|
1375
MACOM Technology Solutions
MTSI
$23.7B
| $49.1M | 0.01% |
394,635
-993,395
| -72% | -$131M |
|
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, 5,365 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.