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 | |
|---|---|---|---|---|---|---|
3576
Kimco Realty
KIM
$16.4B
| $7.82M | ﹤0.01% |
347,999
-288,693
| -45% | -$6.36M |
|
3577
Neurogene
NGNE
$723M
| $7.8M | ﹤0.01% |
387,031
+22,803
| +6% | +$442K |
|
3578
Harrow
HROW
$1.5B
| $7.8M | ﹤0.01% |
221,258
-90,813
| -29% | -$3.99M |
|
|
MPT
3579
PUT
Medical Properties Trust
MPT
$2.5B
| $7.8M | ﹤0.01% |
1,684,300
-358,000
| -18% | -$1.87M |
|
3580
iShares MSCI Brazil ETF
EWZ
$8.24B
| $7.79M | ﹤0.01% |
202,875
-2,316,348
| -92% | -$84.7M |
|
3581
Textron
TXT
$15.3B
| $7.79M | ﹤0.01% |
88,934
+38,218
| +75% | +$3.57M |
|
|
SEE
3582
DELISTED
Sealed Air
SEE
| $7.79M | ﹤0.01% |
185,173
+32,878
| +22% | +$1.38M |
|
3583
iShares MSCI Chile ETF
ECH
$1.04B
| $7.78M | ﹤0.01% |
195,728
+53,168
| +37% | +$2.27M |
|
3584
ARK Genomic Revolution ETF
ARKG
$1.71B
| $7.77M | ﹤0.01% |
294,157
+258,009
| +714% | +$7.56M |
|
3585
CALL
Curtiss-Wright
CW
$25.8B
| $7.76M | ﹤0.01% |
11,400
+8,000
| +235% | +$5.32M |
|
3586
PUT
Jones Lang LaSalle
JLL
$17.3B
| $7.76M | ﹤0.01% |
25,500
+23,600
| +1,242% | +$7.62M |
|
3587
American Water Works
AWK
$27.1B
| $7.75M | ﹤0.01% |
56,973
-237,776
| -81% | -$31.4M |
|
|
METU
3588
CALL
Direxion Daily META Bull 2X ETF
METU
$448M
| $7.75M | ﹤0.01% |
346,100
-171,500
| -33% | -$5.06M |
|
3589
Alnylam Pharmaceuticals
ALNY
$30.6B
| $7.75M | ﹤0.01% |
23,415
-15,044
| -39% | -$5.12M |
|
3590
PUT
Rubrik
RBRK
$21B
| $7.75M | ﹤0.01% |
158,200
-64,500
| -29% | -$3.7M |
|
|
ALMS
3591
Alumis Inc
ALMS
$3.28B
| $7.74M | ﹤0.01% |
351,507
+232,196
| +195% | +$5.8M |
|
3592
CALL
PACS Group
PACS
$7.04B
| $7.74M | ﹤0.01% |
241,000
+65,900
| +38% | +$2.42M |
|
|
MRX
3593
Marex Group Limited Ordinary Shares
MRX
$5.11B
| $7.73M | ﹤0.01% |
173,474
+83,415
| +93% | +$3.29M |
|
3594
CALL
Imperial Oil
IMO
$64.5B
| $7.73M | ﹤0.01% |
59,100
+13,100
| +28% | +$1.47M |
|
3595
Rollins
ROL
$17.4B
| $7.73M | ﹤0.01% |
144,747
-365,492
| -72% | -$21.8M |
|
3596
CALL
Urban Outfitters
URBN
$6.66B
| $7.72M | ﹤0.01% |
121,800
+74,000
| +155% | +$5.08M |
|
3597
PUT
IQVIA
IQV
$39B
| $7.71M | ﹤0.01% |
45,200
+19,500
| +76% | +$3.8M |
|
3598
Invesco FTSE RAFI Developed Markets ex-US Small-Mid ETF
PDN
$369M
| $7.71M | ﹤0.01% |
177,701
+138,213
| +350% | +$6.18M |
|
3599
ARK Space & Defense Innovation ETF
ARKX
$865M
| $7.71M | ﹤0.01% |
262,559
+157,937
| +151% | +$5.05M |
|
3600
CALL
Vanguard S&P 500 Growth ETF
VOOG
$27.3B
| $7.71M | ﹤0.01% |
113,400
-64,200
| -36% | -$4.64M |
|
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.