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 | |
|---|---|---|---|---|---|---|
251
Huntington Bancshares
HBAN
$35.9B
| $392M | 0.06% |
22,726,154
+2,517,612
| +12% | +$43M |
|
252
CALL
State Street SPDR S&P Biotech ETF
XBI
$10.4B
| $392M | 0.06% |
3,915,200
+1,790,100
| +84% | +$161M |
|
253
PUT
Lam Research
LRCX
$390B
| $391M | 0.06% |
2,919,600
+308,500
| +12% | +$32.7M |
|
254
Cencora
COR
$63.7B
| $387M | 0.06% |
1,238,467
-539,572
| -30% | -$159M |
|
255
CALL
Morgan Stanley
MS
$338B
| $386M | 0.06% |
2,429,100
-192,400
| -7% | -$28.4M |
|
256
S&P Global
SPGI
$120B
| $386M | 0.06% |
792,833
+233,642
| +42% | +$125M |
|
257
3M
MMM
$94.4B
| $381M | 0.06% |
2,458,099
+187,552
| +8% | +$28.9M |
|
258
CALL
Arista Networks
ANET
$250B
| $377M | 0.06% |
2,586,900
+234,000
| +10% | +$30.1M |
|
|
259
CALL
Lam Research
LRCX
$390B
| $375M | 0.06% |
2,804,100
+476,000
| +20% | +$50.4M |
|
260
CALL
Applied Materials
AMAT
$417B
| $374M | 0.06% |
1,826,600
-113,000
| -6% | -$20.5M |
|
|
SCHW
261
Charles Schwab
SCHW
$186B
| $373M | 0.06% |
3,903,980
+2,936,111
| +303% | +$279M |
|
262
PUT
Constellation Energy
CEG
$98.6B
| $372M | 0.06% |
1,129,900
-169,200
| -13% | -$54.6M |
|
263
Intuitive Surgical
ISRG
$142B
| $371M | 0.06% |
829,633
+490,462
| +145% | +$235M |
|
264
CALL
Amgen
AMGN
$224B
| $370M | 0.06% |
1,311,400
-73,500
| -5% | -$21.3M |
|
265
PUT
Invesco S&P 500 Equal Weight ETF
RSP
$99.4B
| $370M | 0.06% |
1,949,900
+566,800
| +41% | +$106M |
|
266
PUT
Pfizer
PFE
$152B
| $369M | 0.06% |
14,500,500
-1,476,700
| -9% | -$36.4M |
|
267
CALL
Hims & Hers Health
HIMS
$7.12B
| $367M | 0.06% |
6,475,800
+3,515,200
| +119% | +$180M |
|
268
CALL
Cisco
CSCO
$475B
| $367M | 0.06% |
5,359,400
-3,183,300
| -37% | -$217M |
|
269
CALL
MongoDB
MDB
$35.3B
| $366M | 0.06% |
1,180,400
+57,900
| +5% | +$14.9M |
|
270
PUT
ARK Innovation ETF
ARKK
$6.38B
| $366M | 0.06% |
4,244,400
+424,700
| +11% | +$32.5M |
|
271
PUT
Baidu
BIDU
$35.9B
| $366M | 0.06% |
2,778,100
+810,700
| +41% | +$80.3M |
|
272
CALL
Unity
U
$19.3B
| $364M | 0.06% |
9,096,300
+5,207,100
| +134% | +$193M |
|
|
273
PUT
Applied Materials
AMAT
$417B
| $361M | 0.06% |
1,764,000
+110,400
| +7% | +$20M |
|
274
Loews
L
$23.1B
| $361M | 0.05% |
3,594,884
+2,202,524
| +158% | +$208M |
|
275
Coca-Cola
KO
$372B
| $359M | 0.05% |
5,408,178
-4,243,585
| -44% | -$292M |
|
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.