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 |
iShares Core S&P 500 ETF
IVV
|
+$9.91B |
| 2 |
SPCX
SpaceX
SPCX
|
+$871M |
| 3 |
Eli Lilly
LLY
|
+$719M |
| 4 |
Amazon
AMZN
|
+$698M |
| 5 |
Netflix
NFLX
|
+$627M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$3B |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.54B |
| 3 |
TSMC
TSM
|
+$1.42B |
| 4 |
NVIDIA
NVDA
|
+$1.41B |
| 5 |
SNDK
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.92% |
| 2 | Healthcare | 2.55% |
| 3 | Industrials | 2.24% |
| 4 | Financials | 2.13% |
| 5 | Consumer Discretionary | 1.76% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2751
CALL
Amer Sports
AS
$19.1B
| $17.1M | ﹤0.01% |
504,200
+342,900
| +213% | +$12M |
|
|
NVMI
2752
Nova
NVMI
$13.3B
| $17M | ﹤0.01% |
31,377
+20,757
| +195% | +$10.7M |
|
2753
Futu Holdings
FUTU
$14.8B
| $17M | ﹤0.01% |
181,688
+104,565
| +136% | +$13.4M |
|
2754
PUT
American Eagle Outfitters
AEO
$2.71B
| $17M | ﹤0.01% |
989,900
-4,000
| -0.4% | -$69.3K |
|
2755
PUT
Stride
LRN
$3.46B
| $17M | ﹤0.01% |
197,400
+3,600
| +2% | +$331K |
|
2756
CALL
PACCAR
PCAR
$68.8B
| $17M | ﹤0.01% |
141,700
+55,000
| +63% | +$6.49M |
|
2757
Tenable Holdings
TENB
$4.22B
| $17M | ﹤0.01% |
461,088
-290,831
| -39% | -$6.84M |
|
2758
CALL
Groupon
GRPN
$875M
| $17M | ﹤0.01% |
706,600
+533,000
| +307% | +$8.8M |
|
2759
PUT
Iron Mountain
IRM
$38.5B
| $17M | ﹤0.01% |
134,500
+36,100
| +37% | +$4.43M |
|
2760
PUT
Prologis
PLD
$134B
| $17M | ﹤0.01% |
125,400
+20,800
| +20% | +$2.95M |
|
2761
Workiva
WK
$3.84B
| $17M | ﹤0.01% |
349,937
-342,318
| -49% | -$17.6M |
|
2762
PUT
Scorpio Tankers
STNG
$3.98B
| $17M | ﹤0.01% |
244,900
+125,600
| +105% | +$9.82M |
|
2763
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
| $16.9M | ﹤0.01% |
549,371
+531,146
| +2,914% | +$16.3M |
|
|
CLYM
2764
Climb Bio
CLYM
$938M
| $16.9M | ﹤0.01% |
1,297,972
+952,309
| +276% | +$9.84M |
|
|
CRCL
2765
Circle Internet Group
CRCL
$18.2B
| $16.9M | ﹤0.01% |
270,180
-597,631
| -69% | -$58.2M |
|
2766
PUT
Stanley Black & Decker
SWK
$15.4B
| $16.9M | ﹤0.01% |
179,400
-44,300
| -20% | -$3.47M |
|
2767
JPMorgan International Research Enhanced Equity ETF
JIRE
$11.4B
| $16.9M | ﹤0.01% |
204,582
-134,400
| -40% | -$10.8M |
|
2768
American Century Quality Diversified International ETF
QINT
$696M
| $16.9M | ﹤0.01% |
243,067
+73,875
| +44% | +$5.12M |
|
2769
PUT
iShares Biotechnology ETF
IBB
$9.73B
| $16.9M | ﹤0.01% |
88,700
-2,800
| -3% | -$481K |
|
2770
Limbach Holdings
LMB
$543M
| $16.9M | ﹤0.01% |
218,928
+141,521
| +183% | +$11.8M |
|
|
BSOL
2771
Bitwise Solana Staking ETF
BSOL
$555M
| $16.8M | ﹤0.01% |
1,682,561
-179,676
| -10% | -$1.96M |
|
2772
PUT
Vail Resorts
MTN
$5.28B
| $16.8M | ﹤0.01% |
123,500
-108,300
| -47% | -$14.1M |
|
2773
iShares Russell 2000 Growth ETF
IWO
$15.2B
| $16.8M | ﹤0.01% |
42,676
+28,169
| +194% | +$10.3M |
|
|
PENG
2774
CALL
Penguin Solutions Inc
PENG
$3.27B
| $16.8M | ﹤0.01% |
221,100
+137,500
| +164% | +$6.26M |
|
2775
Domino's
DPZ
$11.5B
| $16.8M | ﹤0.01% |
56,759
+29,584
| +109% | +$9.74M |
|
Similar funds
Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,447 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin deployed $103B of net new capital in Q2 2026, opening 2,575 new positions and adding to 6,089 existing holdings. Its largest new stake was SpaceX: 5,129,884 shares worth $876M.
By sector, the portfolio is most concentrated in Technology at 3.9% of assets, down from 4.5% a quarter earlier, followed by Healthcare and Industrials.
On the sell side, the largest reduction was Micron Technology, an estimated $3B trimmed.
- Ken Griffin's largest Q2 2026 buy was SpaceX: 5,129,884 shares worth $876M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q2 2026, an estimated $9.91B increase.
- Ken Griffin's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $3B.
- Ken Griffin fully exited iShares 7-10 Year Treasury Bond ETF in Q2 2026, selling an estimated $325M.
- Ken Griffin's ten largest holdings make up 23% of its $875B portfolio in Q2 2026.
- Ken Griffin opened 2,575 new positions and closed 1,872 in Q2 2026.
- Ken Griffin's portfolio value rose 41% quarter-over-quarter to $875B.
Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.