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 | |
|---|---|---|---|---|---|---|
2951
CALL
Keurig Dr Pepper
KDP
$42.8B
| $14.8M | ﹤0.01% |
451,400
-110,100
| -20% | -$3.21M |
|
2952
PUT
nVent Electric
NVT
$27.7B
| $14.8M | ﹤0.01% |
87,000
+51,700
| +146% | +$8.06M |
|
2953
PUT
Williams-Sonoma
WSM
$28.4B
| $14.8M | ﹤0.01% |
63,300
+2,000
| +3% | +$396K |
|
2954
Liberty Broadband Class C
LBRDK
$5.21B
| $14.7M | ﹤0.01% |
443,216
+265,229
| +149% | +$10.3M |
|
2955
Silgan Holdings
SLGN
$4.49B
| $14.7M | ﹤0.01% |
317,660
+112,063
| +55% | +$4.48M |
|
2956
CALL
Sony
SONY
$142B
| $14.7M | ﹤0.01% |
734,600
-1,178,700
| -62% | -$24.8M |
|
2957
Roper Technologies
ROP
$39.5B
| $14.7M | ﹤0.01% |
43,525
-66,987
| -61% | -$22.8M |
|
2958
Reynolds Consumer Products
REYN
$5.53B
| $14.7M | ﹤0.01% |
548,336
+3,440
| +0.6% | +$76.6K |
|
2959
State Street SPDR S&P Retail ETF
XRT
$640M
| $14.7M | ﹤0.01% |
+167,438
| New | +$14.1M |
|
2960
PUT
CarMax
KMX
$8.5B
| $14.7M | ﹤0.01% |
277,600
-32,300
| -10% | -$1.41M |
|
2961
PUT
PureCycle Technologies
PCT
$1.4B
| $14.7M | ﹤0.01% |
1,809,600
+1,525,900
| +538% | +$13.7M |
|
2962
Inter&Co
INTR
$2.29B
| $14.7M | ﹤0.01% |
2,702,682
+2,660,074
| +6,243% | +$17.9M |
|
2963
Odyssey Marine Exploration
OMEX
$52.9M
| $14.7M | ﹤0.01% |
4,036,680
+2,487,598
| +161% | +$2.54M |
|
2964
Albany International
AIN
$1.84B
| $14.7M | ﹤0.01% |
196,718
-125,755
| -39% | -$7.88M |
|
2965
Nutrien
NTR
$32.6B
| $14.6M | ﹤0.01% |
232,671
-852,476
| -79% | -$59.6M |
|
2966
CALL
Alpha and Omega Semiconductor
AOSL
$931M
| $14.6M | ﹤0.01% |
309,400
+298,400
| +2,713% | +$12M |
|
2967
CALL
Fluence Energy
FLNC
$2.43B
| $14.6M | ﹤0.01% |
735,900
+48,700
| +7% | +$906K |
|
|
GRAL
2968
CALL
GRAIL Inc
GRAL
$3.03B
| $14.6M | ﹤0.01% |
214,100
+12,400
| +6% | +$730K |
|
|
BETA
2969
Beta Technologies Inc
BETA
$5.82B
| $14.6M | ﹤0.01% |
872,324
+38,397
| +5% | +$639K |
|
|
SLN
2970
Silence Therapeutics
SLN
$648M
| $14.6M | ﹤0.01% |
1,329,625
+94,818
| +8% | +$667K |
|
2971
Ceco Environmental
CECO
$4.66B
| $14.6M | ﹤0.01% |
160,872
-56,514
| -26% | -$4.47M |
|
2972
PUT
Quantum Computing Inc
QUBT
$2.04B
| $14.6M | ﹤0.01% |
1,504,600
-514,300
| -25% | -$5M |
|
2973
WSFS Financial
WSFS
$4.17B
| $14.6M | ﹤0.01% |
189,946
+80,620
| +74% | +$5.78M |
|
2974
Addus HomeCare
ADUS
$2.17B
| $14.6M | ﹤0.01% |
145,063
+74,625
| +106% | +$7.05M |
|
2975
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
| $14.6M | ﹤0.01% |
189,849
+83,523
| +79% | +$6.41M |
|
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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.