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 | |
|---|---|---|---|---|---|---|
3476
JPMorgan BetaBuilders Europe ETF
BBEU
$9.52B
| $10.3M | ﹤0.01% |
+132,952
| New | +$10.2M |
|
3477
CALL
Citizens Financial Group
CFG
$31.5B
| $10.3M | ﹤0.01% |
147,500
-59,400
| -29% | -$3.83M |
|
|
SUNC
3478
SunocoCorp LLC
SUNC
$3.93B
| $10.3M | ﹤0.01% |
152,674
-123,536
| -45% | -$8.09M |
|
3479
PUT
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.56B
| $10.3M | ﹤0.01% |
150,100
-259,500
| -63% | -$17.3M |
|
3480
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.21B
| $10.3M | ﹤0.01% |
216,791
+69,369
| +47% | +$3.3M |
|
3481
CALL
Sensata Technologies
ST
$6.73B
| $10.3M | ﹤0.01% |
215,700
+85,000
| +65% | +$3.84M |
|
3482
CALL
Kulicke & Soffa
KLIC
$5.19B
| $10.3M | ﹤0.01% |
76,900
+56,900
| +285% | +$5.57M |
|
3483
CALL
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.45B
| $10.3M | ﹤0.01% |
84,300
+58,400
| +225% | +$6.59M |
|
3484
CALL
Weatherford International
WFRD
$6.79B
| $10.3M | ﹤0.01% |
126,200
-11,500
| -8% | -$1.17M |
|
3485
PUT
Vaxcyte
PCVX
$8.64B
| $10.3M | ﹤0.01% |
176,500
+73,700
| +72% | +$4M |
|
3486
Perimeter Solutions
PRM
$5.55B
| $10.3M | ﹤0.01% |
287,728
-41,922
| -13% | -$1.31M |
|
3487
Strategy Inc
MSTR
$36.6B
| $10.3M | ﹤0.01% |
117,928
-1,102,051
| -90% | -$160M |
|
3488
Unitil
UTL
$995M
| $10.3M | ﹤0.01% |
194,551
+73,584
| +61% | +$3.82M |
|
3489
PUT
Ecopetrol
EC
$35.3B
| $10.2M | ﹤0.01% |
719,500
+624,700
| +659% | +$9.04M |
|
3490
Phinia Inc
PHIN
$2.73B
| $10.2M | ﹤0.01% |
124,334
+6,741
| +6% | +$516K |
|
3491
CALL
M&T Bank
MTB
$36.7B
| $10.2M | ﹤0.01% |
43,000
-3,400
| -7% | -$743K |
|
|
VISN
3492
PUT
Vistance Networks Inc
VISN
$2.66B
| $10.2M | ﹤0.01% |
799,600
-430,700
| -35% | -$6.08M |
|
3493
PUT
Li Auto
LI
$12B
| $10.2M | ﹤0.01% |
870,400
+156,400
| +22% | +$2.56M |
|
|
WHK
3494
WhiteHawk Minerals Corp
WHK
$601M
| $10.2M | ﹤0.01% |
+367,164
| New | +$9.96M |
|
3495
United States Lime & Minerals
USLM
$3.37B
| $10.2M | ﹤0.01% |
97,562
+88,801
| +1,014% | +$10.3M |
|
3496
CALL
Invesco DB Agriculture Fund
DBA
$1.24B
| $10.2M | ﹤0.01% |
382,700
+275,200
| +256% | +$7.51M |
|
3497
CALL
SoundHound AI
SOUN
$3.3B
| $10.2M | ﹤0.01% |
1,577,500
-3,170,400
| -67% | -$24.5M |
|
3498
Utz Brands
UTZ
$1.26B
| $10.2M | ﹤0.01% |
1,324,243
+1,140,401
| +620% | +$8.51M |
|
3499
Bilibili
BILI
$7.3B
| $10.2M | ﹤0.01% |
598,518
+122,402
| +26% | +$2.48M |
|
3500
CMS Energy
CMS
$22.3B
| $10.2M | ﹤0.01% |
133,234
+47,677
| +56% | +$3.57M |
|
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.