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 | |
|---|---|---|---|---|---|---|
3676
CALL
Sibanye-Stillwater
SBSW
$7.62B
| $9.01M | ﹤0.01% |
1,061,800
-104,000
| -9% | -$1.21M |
|
|
COHX
3677
PUT
Tradr 2X Long COHR Daily ETF
COHX
$84.2M
| $9.01M | ﹤0.01% |
160,700
+143,900
| +857% | +$7.36M |
|
3678
FLEX LNG
FLNG
$1.67B
| $9M | ﹤0.01% |
320,890
-113,643
| -26% | -$3.51M |
|
3679
Open Text
OTEX
$5.94B
| $9M | ﹤0.01% |
406,124
+129,248
| +47% | +$2.93M |
|
|
NBIG
3680
CALL
Leverage Shares 2X Long NBIS Daily ETF
NBIG
$145M
| $8.99M | ﹤0.01% |
226,100
+85,000
| +60% | +$2.04M |
|
3681
Burke & Herbert Financial Services Corp
BHRB
$1.48B
| $8.99M | ﹤0.01% |
125,036
+115,940
| +1,275% | +$7.5M |
|
3682
Hertz
HTZ
$798M
| $8.98M | ﹤0.01% |
3,963,773
+3,852,735
| +3,470% | +$21M |
|
3683
Magnite
MGNI
$3.55B
| $8.97M | ﹤0.01% |
472,865
-580,043
| -55% | -$8.31M |
|
3684
CALL
Sweetgreen
SG
$748M
| $8.96M | ﹤0.01% |
1,017,100
+1,900
| +0.2% | +$14.5K |
|
3685
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.72B
| $8.96M | ﹤0.01% |
31,570
-3,234
| -9% | -$874K |
|
|
VSXY
3686
Victoria's Secret
VSXY
$7.08B
| $8.96M | ﹤0.01% |
107,310
-699,237
| -87% | -$41.9M |
|
3687
CALL
SGHC Ltd
SGHC
$6.76B
| $8.96M | ﹤0.01% |
660,900
-1,178,300
| -64% | -$14.9M |
|
3688
PUT
Ero Copper
ERO
$3.53B
| $8.95M | ﹤0.01% |
334,700
-73,400
| -18% | -$2.08M |
|
3689
PUT
First Citizens BancShares
FCNCA
$25.9B
| $8.95M | ﹤0.01% |
4,300
-900
| -17% | -$1.8M |
|
3690
PUT
Molson Coors Class B
TAP
$7.97B
| $8.94M | ﹤0.01% |
229,400
+21,900
| +11% | +$915K |
|
3691
CALL
Sun Communities
SUI
$15B
| $8.93M | ﹤0.01% |
74,500
+59,500
| +397% | +$7.44M |
|
3692
CALL
EnerSys
ENS
$7.34B
| $8.93M | ﹤0.01% |
38,200
-47,000
| -55% | -$10.2M |
|
3693
ARK Blockchain & Fintech Innovation ETF
ARKF
$771M
| $8.92M | ﹤0.01% |
226,022
+215,370
| +2,022% | +$8.77M |
|
3694
PUT
Churchill Downs
CHDN
$6.33B
| $8.91M | ﹤0.01% |
99,400
+74,000
| +291% | +$6.63M |
|
3695
Ardmore Shipping
ASC
$719M
| $8.91M | ﹤0.01% |
635,912
-181,129
| -22% | -$3.07M |
|
3696
Impinj
PI
$5.28B
| $8.89M | ﹤0.01% |
62,088
+56,257
| +965% | +$7.34M |
|
3697
Hope Bancorp
HOPE
$1.85B
| $8.89M | ﹤0.01% |
650,059
+620,217
| +2,078% | +$7.77M |
|
3698
Tyra Biosciences
TYRA
$1.51B
| $8.89M | ﹤0.01% |
278,307
+262,911
| +1,708% | +$8.7M |
|
3699
CRA International
CRAI
$1.06B
| $8.89M | ﹤0.01% |
62,456
-4,571
| -7% | -$687K |
|
|
KE
3700
Kimball Electronics
KE
$622M
| $8.89M | ﹤0.01% |
347,136
+174,097
| +101% | +$4.47M |
|
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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.