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 | |
|---|---|---|---|---|---|---|
|
COLO
2601
Global X MSCI Colombia ETF
COLO
$215M
| $19.3M | ﹤0.01% |
462,652
+416,293
| +898% | +$16.7M |
|
2602
Materion
MTRN
$5.9B
| $19.3M | ﹤0.01% |
64,753
+26,680
| +70% | +$5.59M |
|
|
DEC
2603
Diversified Energy Company
DEC
$1.01B
| $19.2M | ﹤0.01% |
1,388,337
-142,698
| -9% | -$2.16M |
|
2604
PUT
Steel Dynamics
STLD
$36.7B
| $19.2M | ﹤0.01% |
83,800
+21,600
| +35% | +$5.06M |
|
|
COAG
2605
Hemab Therapeutics
COAG
$2.57B
| $19.2M | ﹤0.01% |
+523,450
| New | +$14.4M |
|
2606
CALL
Monster Beverage
MNST
$91.7B
| $19.2M | ﹤0.01% |
400,000
-30,000
| -7% | -$1.26M |
|
2607
CALL
ProShares Ultra S&P500
SSO
$8.47B
| $19.2M | ﹤0.01% |
285,300
-19,800
| -6% | -$1.27M |
|
2608
CALL
Noble Corp
NE
$7.2B
| $19.2M | ﹤0.01% |
515,100
+14,000
| +3% | +$669K |
|
2609
CALL
Calumet Specialty Products
CLMT
$4.19B
| $19.2M | ﹤0.01% |
532,000
-400,200
| -43% | -$13.5M |
|
2610
CALL
Iron Mountain
IRM
$38.5B
| $19.1M | ﹤0.01% |
151,300
-54,900
| -27% | -$6.73M |
|
2611
Canadian Imperial Bank of Commerce
CM
$113B
| $19.1M | ﹤0.01% |
166,107
+158,396
| +2,054% | +$17.4M |
|
2612
Amdocs
DOX
$6.18B
| $19.1M | ﹤0.01% |
377,939
+173,922
| +85% | +$10.7M |
|
2613
Edgewise Therapeutics
EWTX
$4.8B
| $19.1M | ﹤0.01% |
469,707
+40,675
| +9% | +$1.4M |
|
2614
PUT
iShares MSCI Germany ETF
EWG
$1.68B
| $19.1M | ﹤0.01% |
461,300
+248,700
| +117% | +$10.5M |
|
2615
Invesco BulletShares 2026 High Yield Corporate Bond ETF
BSJQ
$867M
| $19.1M | ﹤0.01% |
830,303
+802,610
| +2,898% | +$18.6M |
|
2616
CALL
Trump Media & Technology Group
DJT
$2.3B
| $19M | ﹤0.01% |
2,460,200
+3,900
| +0.2% | +$34.3K |
|
2617
CALL
Woodward
WWD
$21.9B
| $19M | ﹤0.01% |
44,600
-900
| -2% | -$341K |
|
2618
CALL
BorgWarner
BWA
$14B
| $19M | ﹤0.01% |
285,700
+166,700
| +140% | +$10.6M |
|
2619
PUT
XPO
XPO
$24.7B
| $19M | ﹤0.01% |
92,400
+17,000
| +23% | +$3.6M |
|
2620
Advanced Drainage Systems
WMS
$11.4B
| $18.9M | ﹤0.01% |
120,446
+31,723
| +36% | +$4.53M |
|
2621
Essent Group
ESNT
$6.25B
| $18.9M | ﹤0.01% |
293,653
+170,886
| +139% | +$10.3M |
|
2622
Avnet
AVT
$7.85B
| $18.9M | ﹤0.01% |
212,387
-10,406
| -5% | -$851K |
|
|
PMT
2623
PennyMac Mortgage Investment
PMT
$824M
| $18.9M | ﹤0.01% |
1,672,282
+795,047
| +91% | +$8.76M |
|
2624
CALL
PAR Technology
PAR
$788M
| $18.9M | ﹤0.01% |
1,082,200
+874,600
| +421% | +$12.6M |
|
2625
CALL
Quest Diagnostics
DGX
$25.9B
| $18.8M | ﹤0.01% |
88,800
-24,200
| -21% | -$4.75M |
|
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.