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 | |
|---|---|---|---|---|---|---|
4776
PUT
PG&E
PCG
$38.6B
| $3.78M | ﹤0.01% |
215,400
-855,600
| -80% | -$14.6M |
|
4777
PUT
Fox Class A
FOXA
$28.6B
| $3.78M | ﹤0.01% |
64,800
-85,300
| -57% | -$5.44M |
|
4778
CALL
Sempra
SRE
$56.8B
| $3.78M | ﹤0.01% |
38,900
+19,600
| +102% | +$1.79M |
|
4779
Pebblebrook Hotel Trust
PEB
$2.06B
| $3.78M | ﹤0.01% |
299,239
+213,547
| +249% | +$2.62M |
|
4780
CALL
Planet Fitness
PLNT
$3.73B
| $3.78M | ﹤0.01% |
50,800
+10,900
| +27% | +$958K |
|
4781
CALL
AllianceBernstein
AB
$3.39B
| $3.77M | ﹤0.01% |
100,800
+18,800
| +23% | +$738K |
|
4782
SIGA Technologies
SIGA
$206M
| $3.77M | ﹤0.01% |
705,137
-337,946
| -32% | -$2.11M |
|
|
EVMO
4783
Eaton Vance Mortgage Opportunities ETF
EVMO
$864M
| $3.77M | ﹤0.01% |
+74,966
| New | +$3.81M |
|
4784
iShares Expanded Tech Sector ETF
IGM
$10.9B
| $3.77M | ﹤0.01% |
31,821
+17,584
| +124% | +$2.21M |
|
|
NFLU
4785
CALL
T-Rex 2X Long NFLX Daily Target ETF
NFLU
$59.3M
| $3.77M | ﹤0.01% |
117,500
+74,700
| +175% | +$2.09M |
|
|
LTM
4786
PUT
LATAM Airlines Group S.A.
LTM
$15.1B
| $3.77M | ﹤0.01% |
76,200
+71,300
| +1,455% | +$4.03M |
|
4787
CALL
Virgin Galactic
SPCE
$518M
| $3.77M | ﹤0.01% |
1,549,400
+608,770
| +65% | +$1.65M |
|
4788
Nkarta
NKTX
$163M
| $3.76M | ﹤0.01% |
1,783,994
+438,761
| +33% | +$981K |
|
4789
Stratasys
SSYS
$773M
| $3.76M | ﹤0.01% |
481,929
+267,399
| +125% | +$2.62M |
|
4790
BlackRock ETF Trust II iShares AAA CLO Active ETF
CLOA
$2.26B
| $3.76M | ﹤0.01% |
+72,608
| New | +$3.76M |
|
4791
Telecom Argentina
TEO
$5.77B
| $3.76M | ﹤0.01% |
321,663
+184,988
| +135% | +$2.16M |
|
4792
PUT
Stellantis
STLA
$20.3B
| $3.76M | ﹤0.01% |
529,700
-758,100
| -59% | -$6.35M |
|
4793
CALL
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$240M
| $3.75M | ﹤0.01% |
107,800
-56,600
| -34% | -$2.38M |
|
4794
Tango Therapeutics
TNGX
$4.25B
| $3.75M | ﹤0.01% |
179,423
+27,543
| +18% | +$383K |
|
4795
Greenlight Captial
GLRE
$511M
| $3.75M | ﹤0.01% |
217,039
+66,991
| +45% | +$976K |
|
4796
Orrstown Financial Services
ORRF
$860M
| $3.75M | ﹤0.01% |
103,966
+49,606
| +91% | +$1.8M |
|
4797
CALL
Brookfield Renewable
BEPC
$6.68B
| $3.75M | ﹤0.01% |
94,100
+6,400
| +7% | +$261K |
|
4798
Insight Enterprises
NSIT
$4.56B
| $3.75M | ﹤0.01% |
55,932
-29,739
| -35% | -$2.43M |
|
4799
iShares MSCI United Kingdom ETF
EWU
$4.14B
| $3.75M | ﹤0.01% |
+82,242
| New | +$3.79M |
|
4800
CALL
GraniteShares 2x Long COIN Daily ETF
CONL
$414M
| $3.74M | ﹤0.01% |
533,900
-48,800
| -8% | -$506K |
|
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.