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 | |
|---|---|---|---|---|---|---|
|
FJET
2851
Starfighters Space Inc
FJET
$233M
| $15.9M | ﹤0.01% |
+2,985,074
| New | +$17.9M |
|
2852
PUT
Vanguard Health Care ETF
VHT
$18.9B
| $15.9M | ﹤0.01% |
53,100
+20,900
| +65% | +$5.81M |
|
2853
CALL
New York Times
NYT
$10.4B
| $15.9M | ﹤0.01% |
226,700
+147,200
| +185% | +$11.3M |
|
2854
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.36B
| $15.8M | ﹤0.01% |
+58,538
| New | +$14.8M |
|
2855
PUT
CRISPR Therapeutics
CRSP
$5.18B
| $15.8M | ﹤0.01% |
290,100
-282,200
| -49% | -$14.9M |
|
2856
Huntington Bancshares
HBAN
$36.2B
| $15.8M | ﹤0.01% |
891,340
-1,174,520
| -57% | -$19.4M |
|
|
SEI
2857
Solaris Energy Infrastructure
SEI
$4.17B
| $15.8M | ﹤0.01% |
196,383
-297,101
| -60% | -$21.2M |
|
2858
PUT
Paycom
PAYC
$9.83B
| $15.8M | ﹤0.01% |
125,700
-31,300
| -20% | -$4.08M |
|
2859
Vanguard Energy ETF
VDE
$10.6B
| $15.8M | ﹤0.01% |
+105,222
| New | +$17M |
|
2860
PUT
Pool Corp
POOL
$7.08B
| $15.8M | ﹤0.01% |
73,500
+7,800
| +12% | +$1.56M |
|
2861
PUT
Viavi Solutions
VIAV
$10.7B
| $15.8M | ﹤0.01% |
329,900
+212,100
| +180% | +$10.2M |
|
|
NBIG
2862
PUT
Leverage Shares 2X Long NBIS Daily ETF
NBIG
$145M
| $15.7M | ﹤0.01% |
396,300
+245,800
| +163% | +$5.91M |
|
2863
PUT
Mondelez International
MDLZ
$81.2B
| $15.7M | ﹤0.01% |
272,200
-67,200
| -20% | -$4.05M |
|
2864
FirstEnergy
FE
$27.4B
| $15.7M | ﹤0.01% |
331,146
+93,397
| +39% | +$4.43M |
|
|
NASA
2865
CALL
Tema Space Innovators ETF
NASA
$1.22B
| $15.7M | ﹤0.01% |
+517,600
| New | +$16.5M |
|
|
VSXY
2866
PUT
Victoria's Secret
VSXY
$7.08B
| $15.7M | ﹤0.01% |
188,300
+51,900
| +38% | +$3.11M |
|
2867
PUT
Deckers Outdoor
DECK
$12.7B
| $15.7M | ﹤0.01% |
158,100
-19,000
| -11% | -$2M |
|
|
AAOX
2868
PUT
Tradr 2X Long AAOI Daily ETF
AAOX
$379M
| $15.7M | ﹤0.01% |
+496,200
| New | +$25.4M |
|
|
SNDU
2869
PUT
T-REX 2X Long SNDK Daily Target ETF
SNDU
$229M
| $15.7M | ﹤0.01% |
+230,800
| New | +$7.87M |
|
2870
CALL
Teucrium Wheat Fund
WEAT
$305M
| $15.7M | ﹤0.01% |
710,680
+173,420
| +32% | +$4.03M |
|
2871
PUT
Kodiak Gas Services
KGS
$6.6B
| $15.5M | ﹤0.01% |
206,700
+160,400
| +346% | +$10.9M |
|
2872
PUT
Brookdale Senior Living
BKD
$3.02B
| $15.5M | ﹤0.01% |
965,100
+951,300
| +6,893% | +$12.9M |
|
2873
Haleon
HLN
$42.7B
| $15.5M | ﹤0.01% |
1,663,132
+661,267
| +66% | +$6.15M |
|
2874
CALL
Red Cat Holdings
RCAT
$1.7B
| $15.5M | ﹤0.01% |
1,456,700
-760,800
| -34% | -$8.76M |
|
|
NNE
2875
CALL
Nano Nuclear Energy
NNE
$1.06B
| $15.5M | ﹤0.01% |
733,000
+276,500
| +61% | +$6.81M |
|
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.