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 | |
|---|---|---|---|---|---|---|
|
HNGE
2901
PUT
Hinge Health
HNGE
$7.14B
| $15.2M | ﹤0.01% |
183,300
+159,400
| +667% | +$8.65M |
|
2902
Azenta
AZTA
$1.46B
| $15.2M | ﹤0.01% |
595,904
+47,540
| +9% | +$1.07M |
|
|
B
2903
Barrick Mining
B
$68.5B
| $15.2M | ﹤0.01% |
413,860
+152,705
| +58% | +$6.26M |
|
2904
PUT
Allstate
ALL
$66.1B
| $15.2M | ﹤0.01% |
63,800
+40,800
| +177% | +$8.87M |
|
2905
CALL
Pultegroup
PHM
$24.8B
| $15.2M | ﹤0.01% |
110,500
-115,400
| -51% | -$14M |
|
2906
CALL
Canadian Pacific Kansas City
CP
$82.2B
| $15.2M | ﹤0.01% |
174,900
+50,000
| +40% | +$4.28M |
|
|
CNR
2907
PUT
Core Natural Resources Inc
CNR
$4.76B
| $15.1M | ﹤0.01% |
189,000
+40,100
| +27% | +$3.55M |
|
2908
Brookfield Infrastructure Partners
BIP
$18.3B
| $15.1M | ﹤0.01% |
414,387
+358,895
| +647% | +$13.4M |
|
2909
Constellium
CSTM
$4.01B
| $15.1M | ﹤0.01% |
474,311
-296,297
| -38% | -$9.57M |
|
2910
Hayward Holdings
HAYW
$3.22B
| $15.1M | ﹤0.01% |
871,057
+620,754
| +248% | +$9.06M |
|
2911
CALL
Public Service Enterprise Group
PEG
$37.9B
| $15M | ﹤0.01% |
185,300
+53,300
| +40% | +$4.26M |
|
2912
PUT
Markel Group
MKL
$22.9B
| $15M | ﹤0.01% |
7,700
+1,200
| +18% | +$2.24M |
|
2913
CALL
NuScale Power
SMR
$3.85B
| $15M | ﹤0.01% |
1,498,200
-2,357,500
| -61% | -$26.6M |
|
2914
CALL
dLocal
DLO
$4.17B
| $15M | ﹤0.01% |
1,156,200
+947,700
| +455% | +$12M |
|
|
VG
2915
CALL
Venture Global Inc
VG
$35B
| $15M | ﹤0.01% |
1,349,900
-920,000
| -41% | -$11.6M |
|
2916
CALL
Transocean
RIG
$6.43B
| $15M | ﹤0.01% |
3,072,100
-110,600
| -3% | -$691K |
|
2917
Helios Technologies
HLIO
$2.69B
| $15M | ﹤0.01% |
168,281
+57,665
| +52% | +$4.43M |
|
2918
PUT
Invesco S&P 500 Momentum ETF
SPMO
$22.3B
| $15M | ﹤0.01% |
92,900
+11,900
| +15% | +$1.68M |
|
|
PENG
2919
Penguin Solutions Inc
PENG
$3.27B
| $15M | ﹤0.01% |
197,430
-122,189
| -38% | -$5.56M |
|
2920
PUT
Public Storage
PSA
$60.9B
| $15M | ﹤0.01% |
47,100
-127,300
| -73% | -$38.9M |
|
2921
CALL
Cracker Barrel
CBRL
$1.29B
| $15M | ﹤0.01% |
281,100
-46,100
| -14% | -$1.6M |
|
|
KRMN
2922
PUT
Karman Holdings
KRMN
$8.22B
| $15M | ﹤0.01% |
299,800
+89,800
| +43% | +$5.81M |
|
2923
Lear
LEA
$8.32B
| $15M | ﹤0.01% |
111,577
+101,495
| +1,007% | +$13.6M |
|
2924
CALL
Primoris Services
PRIM
$4.48B
| $14.9M | ﹤0.01% |
150,800
+124,100
| +465% | +$16.3M |
|
2925
PUT
One Stop Systems
OSS
$339M
| $14.9M | ﹤0.01% |
822,100
+608,000
| +284% | +$8.47M |
|
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.