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 | |
|---|---|---|---|---|---|---|
4351
PUT
Norfolk Southern
NSC
$76.6B
| $4.85M | ﹤0.01% |
16,900
-42,100
| -71% | -$12.5M |
|
4352
CALL
Direxion Daily CSI 300 China A Share Bull 2X ETF
CHAU
$98.8M
| $4.84M | ﹤0.01% |
238,800
+51,300
| +27% | +$1.11M |
|
4353
CALL
WD-40
WDFC
$3.07B
| $4.83M | ﹤0.01% |
23,700
+15,400
| +186% | +$3.44M |
|
4354
Invesco Aerospace & Defense ETF
PPA
$8.7B
| $4.83M | ﹤0.01% |
+29,159
| New | +$5.1M |
|
4355
Blackstone Mortgage Trust
BXMT
$2.4B
| $4.83M | ﹤0.01% |
252,190
-101,981
| -29% | -$1.97M |
|
4356
CALL
ProShares UltraShort Silver
ZSL
$61.9M
| $4.83M | ﹤0.01% |
214,530
+208,020
| +3,195% | +$5.23M |
|
4357
PUT
AES
AES
$10.5B
| $4.82M | ﹤0.01% |
342,200
-527,200
| -61% | -$7.85M |
|
4358
Heritage Insurance Holdings
HRTG
$1.02B
| $4.82M | ﹤0.01% |
183,632
+33,807
| +23% | +$892K |
|
4359
PUT
Papa John's
PZZA
$765M
| $4.82M | ﹤0.01% |
148,700
-54,900
| -27% | -$1.91M |
|
4360
UroGen Pharma
URGN
$2.4B
| $4.82M | ﹤0.01% |
267,996
-469,761
| -64% | -$9.42M |
|
4361
PUT
FMC
FMC
$1.27B
| $4.82M | ﹤0.01% |
279,800
-297,200
| -52% | -$4.44M |
|
4362
CALL
Triple Flag Precious Metals
TFPM
$6.52B
| $4.81M | ﹤0.01% |
138,700
+71,200
| +105% | +$2.58M |
|
4363
Enact Holdings
ACT
$6.84B
| $4.81M | ﹤0.01% |
117,907
-19,731
| -14% | -$807K |
|
4364
CALL
Unum
UNM
$14.5B
| $4.81M | ﹤0.01% |
65,800
+57,400
| +683% | +$4.28M |
|
4365
PUT
TTM Technologies
TTMI
$14.9B
| $4.8M | ﹤0.01% |
49,300
-143,300
| -74% | -$13.6M |
|
4366
Global Industrial
GIC
$1.47B
| $4.8M | ﹤0.01% |
152,370
+2,990
| +2% | +$94.1K |
|
4367
Fortrea Holdings
FTRE
$1.72B
| $4.8M | ﹤0.01% |
509,552
+436,052
| +593% | +$5.6M |
|
4368
CALL
Methanex
MEOH
$4.43B
| $4.79M | ﹤0.01% |
80,500
+43,300
| +116% | +$2.18M |
|
4369
Pinnacle West Capital
PNW
$12.2B
| $4.79M | ﹤0.01% |
47,568
-434,675
| -90% | -$41.9M |
|
4370
McEwen Inc
MUX
$1.16B
| $4.79M | ﹤0.01% |
234,524
+99,701
| +74% | +$2.37M |
|
4371
Surgery Partners
SGRY
$1.88B
| $4.79M | ﹤0.01% |
401,551
-188,270
| -32% | -$2.7M |
|
4372
dLocal
DLO
$4.09B
| $4.79M | ﹤0.01% |
368,974
-33,913
| -8% | -$442K |
|
4373
Sweetgreen
SG
$700M
| $4.78M | ﹤0.01% |
921,510
-6,739
| -0.7% | -$41K |
|
4374
CALL
Donaldson
DCI
$11B
| $4.78M | ﹤0.01% |
56,300
+48,000
| +578% | +$4.64M |
|
4375
Scansource
SCSC
$1.05B
| $4.78M | ﹤0.01% |
131,621
+65,729
| +100% | +$2.51M |
|
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.