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 | |
|---|---|---|---|---|---|---|
2301
PUT
BWX Technologies
BWXT
$15.9B
| $24M | ﹤0.01% |
123,100
+103,700
| +535% | +$21.6M |
|
2302
CALL
Bank of Montreal
BMO
$130B
| $24M | ﹤0.01% |
135,600
-24,100
| -15% | -$3.79M |
|
2303
QuantumScape Corp
QS
$3.81B
| $23.9M | ﹤0.01% |
3,167,859
-1,251,784
| -28% | -$9.39M |
|
2304
CALL
Molina Healthcare
MOH
$11.1B
| $23.9M | ﹤0.01% |
104,700
+23,400
| +29% | +$4.24M |
|
2305
Essex Property Trust
ESS
$18.5B
| $23.9M | ﹤0.01% |
82,041
-234,823
| -74% | -$63.1M |
|
2306
Howard Hughes
HHH
$3.98B
| $23.9M | ﹤0.01% |
+334,562
| New | +$21.8M |
|
2307
Zymeworks
ZYME
$1.78B
| $23.9M | ﹤0.01% |
914,136
-235,882
| -21% | -$5.99M |
|
2308
CALL
Five Below
FIVE
$13.5B
| $23.9M | ﹤0.01% |
132,800
+59,900
| +82% | +$12.9M |
|
2309
PUT
BHP
BHP
$220B
| $23.9M | ﹤0.01% |
286,400
-21,900
| -7% | -$1.82M |
|
|
MRSH
2310
CALL
Marsh
MRSH
$89.6B
| $23.8M | ﹤0.01% |
143,000
+30,400
| +27% | +$5.08M |
|
2311
PUT
Moody's
MCO
$84B
| $23.8M | ﹤0.01% |
52,600
-37,000
| -41% | -$16.6M |
|
2312
CALL
Sysco
SYY
$39.7B
| $23.8M | ﹤0.01% |
284,900
-130,000
| -31% | -$9.84M |
|
2313
CALL
DuPont de Nemours
DD
$19.8B
| $23.8M | ﹤0.01% |
175,267
-135,600
| -44% | -$19.3M |
|
2314
PUT
Chewy
CHWY
$9.18B
| $23.8M | ﹤0.01% |
1,209,600
+243,300
| +25% | +$5.52M |
|
2315
Rockwell Automation
ROK
$49.9B
| $23.8M | ﹤0.01% |
47,991
-123,790
| -72% | -$53.9M |
|
2316
Jefferies Financial Group
JEF
$12.7B
| $23.7M | ﹤0.01% |
474,843
-216,012
| -31% | -$11.1M |
|
2317
CALL
Sarepta Therapeutics
SRPT
$1.91B
| $23.7M | ﹤0.01% |
1,320,400
+15,700
| +1% | +$297K |
|
2318
PUT
State Street SPDR S&P Bank ETF
KBE
$1.76B
| $23.7M | ﹤0.01% |
347,800
-86,000
| -20% | -$5.51M |
|
2319
Iris Energy
IREN
$15.7B
| $23.7M | ﹤0.01% |
518,526
-1,246,988
| -71% | -$64.8M |
|
2320
PUT
Bitdeer Technologies
BTDR
$2.48B
| $23.7M | ﹤0.01% |
1,490,900
+966,500
| +184% | +$13.9M |
|
2321
CALL
Franco-Nevada
FNV
$45.2B
| $23.7M | ﹤0.01% |
113,500
-20,900
| -16% | -$4.87M |
|
2322
CALL
Mettler-Toledo International
MTD
$28.4B
| $23.6M | ﹤0.01% |
18,500
+2,200
| +13% | +$2.65M |
|
2323
PUT
Direxion Daily GOOGL Bull 2X ETF
GGLL
$954M
| $23.6M | ﹤0.01% |
207,400
-114,100
| -35% | -$13.7M |
|
2324
Brookfield Renewable
BEPC
$6.59B
| $23.6M | ﹤0.01% |
634,999
+618,893
| +3,843% | +$24M |
|
|
2325
Franco-Nevada
FNV
$45.2B
| $23.5M | ﹤0.01% |
112,927
-126,294
| -53% | -$29.4M |
|
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.