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 | |
|---|---|---|---|---|---|---|
11976
Invesco Quality Municipal Securities
IQI
$541M
| $99.7K | ﹤0.01% |
10,359
-73,322
| -88% | -$735K |
|
|
HCAC
11977
Hall Chadwick Acquisition Corp
HCAC
$294M
| $99.5K | ﹤0.01% |
+10,023
| New | +$100K |
|
11978
CALL
InnovAge Holding
INNV
$1.45B
| $99.4K | ﹤0.01% |
12,400
-2,400
| -16% | -$17.9K |
|
11979
CALL
Humacyte
HUMA
$148M
| $99.4K | ﹤0.01% |
163,900
-86,800
| -35% | -$90.2K |
|
11980
Greenpro Capital
GRNQ
$16.7M
| $99.4K | ﹤0.01% |
3,615
+1,662
| +85% | +$3.16K |
|
11981
Q32 Bio
QTTB
$458M
| $99.4K | ﹤0.01% |
15,481
-30,247
| -66% | -$144K |
|
11982
Syntec Optics
OPTX
$352M
| $99.2K | ﹤0.01% |
+14,113
| New | +$87.1K |
|
|
SNT
11983
Senstar Technologies
SNT
$42.9M
| $99.2K | ﹤0.01% |
32,741
+22,345
| +215% | +$82.2K |
|
|
NVA
11984
PUT
Nova Minerals Corp
NVA
$202M
| $99.2K | ﹤0.01% |
+16,900
| New | +$127K |
|
|
STKL
11985
CALL
DELISTED
SunOpta
STKL
| $99.1K | ﹤0.01% |
15,300
-13,300
| -47% | -$75.2K |
|
|
EU
11986
enCore Energy
EU
$221M
| $98.4K | ﹤0.01% |
54,645
-1,913,283
| -97% | -$4.89M |
|
11987
Veru
VERU
$46M
| $98.3K | ﹤0.01% |
44,482
-68,080
| -60% | -$166K |
|
|
CRMG
11988
CALL
Leverage Shares 2X Long CRM Daily ETF
CRMG
$58.6M
| $98.3K | ﹤0.01% |
15,600
-19,200
| -55% | -$157K |
|
11989
CALL
CarParts.com
PRTS
$50.3M
| $98.1K | ﹤0.01% |
12,480
+6,660
| +114% | +$43.3K |
|
|
CMU
11990
DELISTED
MFS High Yield Municipal Trust
CMU
| $98K | ﹤0.01% |
27,368
+8,972
| +49% | +$32K |
|
11991
CALL
Pyxis Oncology
PYXS
$191M
| $98K | ﹤0.01% |
67,100
-8,400
| -11% | -$12.7K |
|
11992
CALL
DMC Global
BOOM
$153M
| $97.9K | ﹤0.01% |
+18,800
| New | +$131K |
|
11993
Cato Corp
CATO
$66.7M
| $97.5K | ﹤0.01% |
34,446
-106,675
| -76% | -$328K |
|
11994
Ampco-Pittsburgh
AP
$190M
| $97K | ﹤0.01% |
14,439
+565
| +4% | +$4.06K |
|
|
BCHT
11995
Birchtech Corp
BCHT
$37.9M
| $96.9K | ﹤0.01% |
+50,994
| New | +$111K |
|
|
ACCS
11996
ACCESS Newswire
ACCS
$18.7M
| $96.9K | ﹤0.01% |
+10,935
| New | +$89.1K |
|
11997
CALL
American Well
AMWL
$220M
| $96.8K | ﹤0.01% |
+18,400
| New | +$94.5K |
|
11998
CALL
Duos Technologies
DUOT
$294M
| $96.7K | ﹤0.01% |
14,100
+2,100
| +18% | +$18.7K |
|
|
SNOY
11999
YieldMax SNOW Option Income Strategy ETF
SNOY
$69.7M
| $96.7K | ﹤0.01% |
12,403
-6,527
| -34% | -$64.2K |
|
|
PPT
12000
Franklin Premier Income Trust
PPT
$332M
| $96.6K | ﹤0.01% |
27,218
+9,574
| +54% | +$34.3K |
|
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.