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 | |
|---|---|---|---|---|---|---|
5426
PUT
Krystal Biotech
KRYS
$9.72B
| $2.71M | ﹤0.01% |
10,500
+6,400
| +156% | +$1.7M |
|
5427
PUT
Aon
AON
$75.7B
| $2.71M | ﹤0.01% |
8,400
-1,600
| -16% | -$532K |
|
5428
First Trust US Equity Opportunities ETF
FPX
$1.55B
| $2.71M | ﹤0.01% |
+17,066
| New | +$2.81M |
|
5429
PUT
Dover
DOV
$27.8B
| $2.71M | ﹤0.01% |
13,000
-9,900
| -43% | -$2.12M |
|
|
APPX
5430
CALL
Tradr 2X Long APP Daily ETF
APPX
$64.7M
| $2.71M | ﹤0.01% |
98,662
+68,929
| +232% | +$3.41M |
|
5431
BNY Mellon Global Infrastructure Income ETF
BKGI
$1.31B
| $2.71M | ﹤0.01% |
+60,735
| New | +$2.64M |
|
5432
CALL
dLocal
DLO
$4.34B
| $2.7M | ﹤0.01% |
208,500
-277,000
| -57% | -$3.61M |
|
5433
Novanta
NOVT
$6.33B
| $2.7M | ﹤0.01% |
22,894
-27,688
| -55% | -$3.63M |
|
5434
Bakkt Inc
BKKT
$331M
| $2.7M | ﹤0.01% |
367,087
+286,689
| +357% | +$3.4M |
|
5435
PUT
Kodiak Gas Services
KGS
$6.3B
| $2.7M | ﹤0.01% |
46,300
-11,000
| -19% | -$534K |
|
5436
One Stop Systems
OSS
$327M
| $2.7M | ﹤0.01% |
356,676
+211,000
| +145% | +$1.97M |
|
5437
CALL
Willdan Group
WLDN
$1.29B
| $2.69M | ﹤0.01% |
35,200
-22,700
| -39% | -$2.4M |
|
5438
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.48B
| $2.69M | ﹤0.01% |
56,318
-12,583
| -18% | -$606K |
|
5439
First Trust Large Cap Core AlphaDEX Fund
FEX
$1.63B
| $2.69M | ﹤0.01% |
22,078
+17,447
| +377% | +$2.16M |
|
|
HTBK
5440
DELISTED
Heritage Commerce
HTBK
| $2.69M | ﹤0.01% |
215,507
-106,955
| -33% | -$1.36M |
|
5441
CALL
Innovative Industrial Properties
IIPR
$1.67B
| $2.69M | ﹤0.01% |
53,600
-2,400
| -4% | -$121K |
|
5442
PUT
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.31B
| $2.69M | ﹤0.01% |
42,000
-25,400
| -38% | -$1.66M |
|
5443
CALL
Manulife Financial
MFC
$72.9B
| $2.69M | ﹤0.01% |
78,000
+9,600
| +14% | +$346K |
|
5444
CALL
SBA Communications
SBAC
$19.8B
| $2.68M | ﹤0.01% |
15,600
+8,900
| +133% | +$1.67M |
|
5445
CALL
Ultragenyx Pharmaceutical
RARE
$2.6B
| $2.68M | ﹤0.01% |
128,100
+90,500
| +241% | +$2.04M |
|
5446
CALL
LSB Industries
LXU
$711M
| $2.68M | ﹤0.01% |
180,100
+105,400
| +141% | +$1.2M |
|
5447
CALL
Brown-Forman Class B
BF.B
$12.9B
| $2.68M | ﹤0.01% |
101,400
+55,600
| +121% | +$1.49M |
|
5448
PUT
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.33B
| $2.68M | ﹤0.01% |
28,000
+22,200
| +383% | +$2.15M |
|
|
5449
PUT
Ultragenyx Pharmaceutical
RARE
$2.6B
| $2.68M | ﹤0.01% |
127,800
-170,200
| -57% | -$3.83M |
|
5450
Kura Sushi USA
KRUS
$646M
| $2.68M | ﹤0.01% |
+38,335
| New | +$2.57M |
|
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.