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 | |
|---|---|---|---|---|---|---|
6851
CALL
Karyopharm Therapeutics
KPTI
$48M
| $1.39M | ﹤0.01% |
249,300
+178,000
| +250% | +$1.36M |
|
6852
PUT
Bank of Hawaii
BOH
$3.13B
| $1.39M | ﹤0.01% |
18,700
+600
| +3% | +$44.6K |
|
6853
Global X 1-3 Month T-Bill ETF
CLIP
$2.4B
| $1.39M | ﹤0.01% |
+13,834
| New | +$1.39M |
|
6854
CALL
Valley National Bancorp
VLY
$8.21B
| $1.39M | ﹤0.01% |
113,000
-262,000
| -70% | -$3.26M |
|
6855
CALL
Cooper Companies
COO
$14.7B
| $1.39M | ﹤0.01% |
19,400
-6,400
| -25% | -$506K |
|
6856
CALL
Freshworks
FRSH
$3.23B
| $1.39M | ﹤0.01% |
172,700
+30,100
| +21% | +$278K |
|
6857
PUT
NovaGold Resources
NG
$3.52B
| $1.38M | ﹤0.01% |
154,200
+81,700
| +113% | +$841K |
|
6858
Green Brick Partners
GRBK
$3.02B
| $1.38M | ﹤0.01% |
21,468
-39,030
| -65% | -$2.75M |
|
6859
Drilling Tools International
DTI
$86.8M
| $1.38M | ﹤0.01% |
319,519
+196,564
| +160% | +$708K |
|
6860
CALL
Marten Transport
MRTN
$1.21B
| $1.38M | ﹤0.01% |
+105,300
| New | +$1.35M |
|
6861
Altimmune
ALT
$615M
| $1.38M | ﹤0.01% |
448,873
-889,054
| -66% | -$3.77M |
|
6862
Pacer Data and Digital Revolution ETF
TRFK
$1.05B
| $1.38M | ﹤0.01% |
+22,205
| New | +$1.42M |
|
|
6863
CALL
Bank of Hawaii
BOH
$3.13B
| $1.38M | ﹤0.01% |
18,600
+10,100
| +119% | +$752K |
|
6864
T. Rowe Price Total Return ETF
TOTR
$577M
| $1.38M | ﹤0.01% |
34,253
-13,084
| -28% | -$533K |
|
|
PRMB
6865
CALL
Primo Brands
PRMB
$8.55B
| $1.38M | ﹤0.01% |
+73,200
| New | +$1.41M |
|
6866
Vital Farms
VITL
$493M
| $1.38M | ﹤0.01% |
97,593
-415,344
| -81% | -$9.82M |
|
6867
CALL
Arqit Quantum
ARQQ
$413M
| $1.38M | ﹤0.01% |
104,000
+60,200
| +137% | +$1.13M |
|
|
CGC
6868
CALL
Canopy Growth
CGC
$426M
| $1.38M | ﹤0.01% |
1,451,600
-1,693,190
| -54% | -$1.87M |
|
6869
WisdomTree Global ex-U.S. Quality Growth Fund
DNL
$505M
| $1.38M | ﹤0.01% |
34,112
+2,540
| +8% | +$108K |
|
6870
JPMorgan BetaBuilders US Mid Cap Equity ETF
BBMC
$2.12B
| $1.38M | ﹤0.01% |
12,700
+2,178
| +21% | +$244K |
|
6871
CALL
Lazard
LAZ
$4.23B
| $1.38M | ﹤0.01% |
32,400
-18,800
| -37% | -$920K |
|
6872
PUT
Vodafone
VOD
$37.2B
| $1.38M | ﹤0.01% |
91,600
-700
| -0.8% | -$10.2K |
|
6873
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.6B
| $1.38M | ﹤0.01% |
16,774
-28,074
| -63% | -$2.36M |
|
6874
PUT
Donaldson
DCI
$11.1B
| $1.37M | ﹤0.01% |
16,200
+13,000
| +406% | +$1.26M |
|
6875
CALL
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.5B
| $1.37M | ﹤0.01% |
24,300
+15,300
| +170% | +$888K |
|
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.