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 | |
|---|---|---|---|---|---|---|
7801
PUT
Power Integrations
POWI
$3.54B
| $922K | ﹤0.01% |
18,000
-90,600
| -83% | -$4.16M |
|
|
HNGE
7802
PUT
Hinge Health
HNGE
$7.18B
| $922K | ﹤0.01% |
+23,900
| New | +$993K |
|
7803
GH Research
GHRS
$2B
| $920K | ﹤0.01% |
65,464
+39,206
| +149% | +$602K |
|
7804
T. Rowe Price QM US Bond ETF
TAGG
$2.39B
| $920K | ﹤0.01% |
+21,597
| New | +$930K |
|
7805
PUT
Federal Agricultural Mortgage
AGM
$2.55B
| $920K | ﹤0.01% |
6,200
-11,400
| -65% | -$1.86M |
|
7806
CALL
Abeona Therapeutics
ABEO
$422M
| $919K | ﹤0.01% |
205,200
+147,700
| +257% | +$738K |
|
7807
CALL
ARK Space & Defense Innovation ETF
ARKX
$853M
| $919K | ﹤0.01% |
+31,300
| New | +$1M |
|
7808
KRONOS Worldwide
KRO
$963M
| $918K | ﹤0.01% |
139,723
-268,493
| -66% | -$1.52M |
|
|
HOOG
7809
CALL
Leverage Shares 2X Long HOOD Daily ETF
HOOG
$60.5M
| $918K | ﹤0.01% |
53,600
+37,500
| +233% | +$1.19M |
|
7810
Thryv Holdings
THRY
$95.1M
| $917K | ﹤0.01% |
334,650
-32,542
| -9% | -$128K |
|
7811
CALL
Oxford Industries
OXM
$542M
| $917K | ﹤0.01% |
23,800
+8,000
| +51% | +$302K |
|
7812
PUT
Tetra Tech
TTEK
$9.06B
| $916K | ﹤0.01% |
30,400
+9,700
| +47% | +$343K |
|
|
CRON
7813
Cronos Group
CRON
$1.13B
| $915K | ﹤0.01% |
364,657
-1,404,044
| -79% | -$3.66M |
|
|
SEM
7814
DELISTED
Select Medical
SEM
| $915K | ﹤0.01% |
56,153
-166,032
| -75% | -$2.6M |
|
7815
Tejon Ranch
TRC
$447M
| $914K | ﹤0.01% |
48,538
+32,305
| +199% | +$558K |
|
7816
PUT
Invesco Senior Loan ETF
BKLN
$6.75B
| $914K | ﹤0.01% |
+44,800
| New | +$925K |
|
7817
PUT
State Street SPDR S&P Semiconductor ETF
XSD
$2.85B
| $913K | ﹤0.01% |
2,800
-900
| -24% | -$311K |
|
7818
Petco
WOOF
$782M
| $913K | ﹤0.01% |
328,328
-215,946
| -40% | -$598K |
|
7819
CALL
Hayward Holdings
HAYW
$3.3B
| $913K | ﹤0.01% |
68,200
+49,400
| +263% | +$769K |
|
7820
Vanguard FTSE All-World ex-US ETF
VEU
$70B
| $911K | ﹤0.01% |
12,137
+1,565
| +15% | +$121K |
|
|
CONI
7821
CALL
GraniteShares 2x Short COIN Daily ETF
CONI
$12.5M
| $911K | ﹤0.01% |
14,800
+9,200
| +164% | +$657K |
|
7822
Schwab Emerging Markets Equity ETF
SCHE
$12.8B
| $911K | ﹤0.01% |
27,633
-1,060,944
| -97% | -$36.2M |
|
7823
US Treasury 20 Year Bond ETF
UTWY
$8.23M
| $910K | ﹤0.01% |
21,210
-1,284
| -6% | -$56K |
|
7824
PUT
Rexford Industrial Realty
REXR
$8.07B
| $910K | ﹤0.01% |
27,800
-9,100
| -25% | -$342K |
|
|
EMOT
7825
First Trust S&P 500 Economic Moat ETF
EMOT
$2.74M
| $910K | ﹤0.01% |
38,910
+13,828
| +55% | +$339K |
|
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.