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
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$681M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.49% |
| 2 | Healthcare | 2.99% |
| 3 | Financials | 2.85% |
| 4 | Industrials | 2.56% |
| 5 | Consumer Discretionary | 2.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
BNT
7351
Brookfield Wealth Solutions
BNT
$12.4B
| $1.13M | ﹤0.01% |
27,289
+11,140
| +69% | +$502K |
|
|
SAFE
7352
PUT
Safehold
SAFE
$1.08B
| $1.13M | ﹤0.01% |
83,500
-166,200
| -67% | -$2.46M |
|
|
CGAU
7353
CALL
Centerra Gold
CGAU
$4.24B
| $1.13M | ﹤0.01% |
63,500
+41,300
| +186% | +$734K |
|
7354
PUT
Vitesse Energy
VTS
$691M
| $1.13M | ﹤0.01% |
62,200
+17,500
| +39% | +$352K |
|
7355
Ring Energy
REI
$357M
| $1.13M | ﹤0.01% |
738,183
+692,909
| +1,530% | +$881K |
|
7356
Dimensional US Large Cap Value ETF
DFLV
$6.99B
| $1.13M | ﹤0.01% |
+31,619
| New | +$1.14M |
|
7357
PUT
Trimble
TRMB
$13.5B
| $1.13M | ﹤0.01% |
17,300
+1,100
| +7% | +$76.4K |
|
|
UNHG
7358
CALL
Leverage Shares 2X Long UNH Daily ETF
UNHG
$73.5M
| $1.13M | ﹤0.01% |
110,700
-56,600
| -34% | -$733K |
|
|
BCAX
7359
PUT
Bicara Therapeutics
BCAX
$1.56B
| $1.13M | ﹤0.01% |
56,700
+32,100
| +130% | +$553K |
|
|
SLDE
7360
PUT
Slide Insurance Holdings
SLDE
$2.41B
| $1.13M | ﹤0.01% |
62,600
+19,800
| +46% | +$347K |
|
7361
Standard BioTools
LAB
$309M
| $1.13M | ﹤0.01% |
1,225,310
+148,949
| +14% | +$180K |
|
7362
Sonos
SONO
$1.78B
| $1.13M | ﹤0.01% |
84,057
+56,861
| +209% | +$859K |
|
7363
PUT
UGI
UGI
$7.54B
| $1.13M | ﹤0.01% |
+30,900
| New | +$1.16M |
|
7364
FT Vest Buffered Allocation Defensive ETF
BUFT
$159M
| $1.12M | ﹤0.01% |
+45,330
| New | +$1.12M |
|
7365
Sensata Technologies
ST
$6.73B
| $1.12M | ﹤0.01% |
31,916
-1,090,301
| -97% | -$38.6M |
|
7366
Hartford Municipal Opportunities ETF
HMOP
$795M
| $1.12M | ﹤0.01% |
29,012
+23,586
| +435% | +$929K |
|
7367
Espey Mfg & Electronics Corp
ESP
$191M
| $1.12M | ﹤0.01% |
+20,280
| New | +$1.11M |
|
7368
CALL
Xometry
XMTR
$5.24B
| $1.12M | ﹤0.01% |
27,500
+3,700
| +16% | +$197K |
|
7369
CALL
DoubleVerify
DV
$2.03B
| $1.12M | ﹤0.01% |
118,200
-25,600
| -18% | -$262K |
|
7370
CALL
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14B
| $1.12M | ﹤0.01% |
14,200
+6,800
| +92% | +$562K |
|
7371
CALL
Cohu
COHU
$2.5B
| $1.12M | ﹤0.01% |
36,600
+26,100
| +249% | +$766K |
|
7372
PUT
Saic
SAIC
$5.3B
| $1.12M | ﹤0.01% |
11,800
-2,800
| -19% | -$274K |
|
7373
PUT
WillScot Mobile Mini Holdings
WSC
$4.15B
| $1.12M | ﹤0.01% |
64,500
+18,800
| +41% | +$384K |
|
|
AMUN
7374
abrdn Ultra Short Municipal Income Active ETF
AMUN
$53.1M
| $1.12M | ﹤0.01% |
+42,917
| New | +$1.12M |
|
7375
WesBanco
WSBC
$4.05B
| $1.12M | ﹤0.01% |
32,428
-69,356
| -68% | -$2.42M |
|
Similar funds
Ken Griffin's Q1 2026 Portfolio in Review
As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.
By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.
- Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
- Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
- Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
- Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
- Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
- Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.