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 | |
|---|---|---|---|---|---|---|
4701
Sonic Automotive
SAH
$2.56B
| $4.04M | ﹤0.01% |
53,147
+8,285
| +18% | +$661K |
|
4702
PUT
UL Solutions
ULS
$15.6B
| $4.04M | ﹤0.01% |
57,000
+48,500
| +571% | +$3.31M |
|
4703
CALL
Bruker
BRKR
$8.79B
| $4.04M | ﹤0.01% |
124,300
+82,200
| +195% | +$2.93M |
|
4704
Telos
TLS
$339M
| $4.04M | ﹤0.01% |
590,271
+320,162
| +119% | +$1.53M |
|
4705
PUT
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.29B
| $4.04M | ﹤0.01% |
59,400
-200
| -0.3% | -$13.1K |
|
4706
WD-40
WDFC
$3.08B
| $4.04M | ﹤0.01% |
20,423
-9,549
| -32% | -$2.07M |
|
4707
PUT
Qorvo
QRVO
$8.66B
| $4.03M | ﹤0.01% |
44,300
-17,900
| -29% | -$1.59M |
|
4708
Pebblebrook Hotel Trust
PEB
$2.06B
| $4.03M | ﹤0.01% |
354,048
-200,166
| -36% | -$2.16M |
|
4709
Calix
CALX
$2.49B
| $4.03M | ﹤0.01% |
65,705
-210,003
| -76% | -$12.1M |
|
4710
Equitable Holdings
EQH
$14.5B
| $4.03M | ﹤0.01% |
79,359
-331,753
| -81% | -$17.6M |
|
4711
Domo
DOMO
$184M
| $4.03M | ﹤0.01% |
254,377
+33,529
| +15% | +$519K |
|
4712
CALL
Caleres
CAL
$449M
| $4.03M | ﹤0.01% |
308,900
+98,800
| +47% | +$1.43M |
|
4713
CALL
Broadridge
BR
$19.5B
| $4.03M | ﹤0.01% |
16,900
-5,100
| -23% | -$1.27M |
|
4714
PUT
Corcept Therapeutics
CORT
$12.4B
| $4.02M | ﹤0.01% |
48,400
-39,500
| -45% | -$2.86M |
|
|
AZNH
4715
DELISTED
AstraZeneca
AZNH
| $4.02M | ﹤0.01% |
87,007
+36,096
| +71% | +$1.64M |
|
4716
PUT
Armstrong World Industries
AWI
$7.7B
| $4.02M | ﹤0.01% |
20,500
+1,900
| +10% | +$353K |
|
4717
PUT
Credit Acceptance
CACC
$6.1B
| $4.02M | ﹤0.01% |
8,600
+1,000
| +13% | +$499K |
|
|
CWAN
4718
CALL
DELISTED
Clearwater Analytics
CWAN
| $4.01M | ﹤0.01% |
222,724
-45,834
| -17% | -$929K |
|
4719
Arcus Biosciences
RCUS
$3.75B
| $4.01M | ﹤0.01% |
295,054
-316,141
| -52% | -$3.29M |
|
4720
HealthStream
HSTM
$846M
| $4M | ﹤0.01% |
141,725
-7,516
| -5% | -$207K |
|
|
DFTX
4721
Definium Therapeutics
DFTX
$5.73B
| $4M | ﹤0.01% |
339,438
+160,834
| +90% | +$1.5M |
|
4722
PUT
Rayonier Advanced Materials
RYAM
$570M
| $4M | ﹤0.01% |
553,700
+418,600
| +310% | +$2.16M |
|
4723
CALL
Bank OZK
OZK
$5.72B
| $4M | ﹤0.01% |
78,400
+43,700
| +126% | +$2.23M |
|
4724
PUT
RUM Group Inc
RUM
$3.7B
| $3.99M | ﹤0.01% |
551,700
+104,600
| +23% | +$855K |
|
4725
CALL
Alphatec Holdings
ATEC
$1.51B
| $3.99M | ﹤0.01% |
274,700
-42,100
| -13% | -$586K |
|
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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.