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 | |
|---|---|---|---|---|---|---|
7926
CALL
Alpha Pro Tech
APT
$54.9M
| $875K | ﹤0.01% |
197,100
+76,800
| +64% | +$377K |
|
7927
CALL
Installed Building Products
IBP
$6.63B
| $875K | ﹤0.01% |
3,300
-3,000
| -48% | -$898K |
|
|
CAIE
7928
PUT
Calamos Autocallable Income ETF
CAIE
$1.21B
| $875K | ﹤0.01% |
+34,800
| New | +$916K |
|
7929
CALL
SandRidge Energy
SD
$531M
| $874K | ﹤0.01% |
53,600
-62,900
| -54% | -$1.02M |
|
7930
PUT
Virtus InfraCap US Preferred Stock ETF
PFFA
$2.49B
| $873K | ﹤0.01% |
42,900
-7,400
| -15% | -$159K |
|
7931
CALL
AXIS Capital
AXS
$7.35B
| $872K | ﹤0.01% |
8,600
+3,000
| +54% | +$308K |
|
7932
PUT
ProPetro Holding
PUMP
$1.43B
| $872K | ﹤0.01% |
60,500
+25,300
| +72% | +$302K |
|
7933
PUT
Mattel
MAT
$4.29B
| $872K | ﹤0.01% |
60,000
+25,800
| +75% | +$470K |
|
|
UROY
7934
CALL
Uranium Royalty Corp
UROY
$1.59B
| $872K | ﹤0.01% |
238,800
+211,700
| +781% | +$865K |
|
7935
PUT
Manulife Financial
MFC
$72.7B
| $871K | ﹤0.01% |
25,300
+13,400
| +113% | +$482K |
|
7936
CALL
Federal Realty Investment Trust
FRT
$10.1B
| $871K | ﹤0.01% |
8,200
-14,200
| -63% | -$1.48M |
|
7937
FT Vest International Equity Moderate Buffer ETF March
YMAR
$164M
| $871K | ﹤0.01% |
+31,837
| New | +$873K |
|
|
SLMT
7938
Brera Holdings
SLMT
$43M
| $871K | ﹤0.01% |
111,053
+59,420
| +115% | +$783K |
|
7939
CALL
American States Water
AWR
$3.47B
| $870K | ﹤0.01% |
11,500
+2,700
| +31% | +$199K |
|
7940
Goosehead Insurance
GSHD
$2.32B
| $870K | ﹤0.01% |
20,385
+13,949
| +217% | +$780K |
|
7941
Diana Shipping
DSX
$294M
| $869K | ﹤0.01% |
347,444
-156,845
| -31% | -$360K |
|
7942
CALL
Intapp
INTA
$3.08B
| $868K | ﹤0.01% |
33,800
+18,700
| +124% | +$557K |
|
7943
Invesco S&P 500 BuyWrite ETF
PBP
$362M
| $868K | ﹤0.01% |
+39,460
| New | +$895K |
|
7944
PUT
SFL Corp
SFL
$1.54B
| $868K | ﹤0.01% |
80,400
+20,100
| +33% | +$195K |
|
7945
Lindblad Expeditions
LIND
$2.15B
| $867K | ﹤0.01% |
+50,140
| New | +$891K |
|
7946
Skywest
SKYW
$4.19B
| $867K | ﹤0.01% |
9,445
-15,991
| -63% | -$1.58M |
|
7947
Virtus Real Asset Income ETF
VRAI
$18.4M
| $867K | ﹤0.01% |
+31,968
| New | +$819K |
|
7948
CALL
Newell Brands
NWL
$2.62B
| $866K | ﹤0.01% |
252,400
+70,300
| +39% | +$295K |
|
7949
CALL
Invesco DB Oil Fund
DBO
$393M
| $865K | ﹤0.01% |
+44,000
| New | +$681K |
|
|
NPKI
7950
NPK International
NPKI
$1.18B
| $865K | ﹤0.01% |
59,689
-181,951
| -75% | -$2.52M |
|
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.