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 |
NVIDIA
NVDA
|
+$820M |
| 2 |
Microsoft
MSFT
|
+$811M |
| 3 |
McDonald's
MCD
|
+$804M |
| 4 |
Coca-Cola
KO
|
+$655M |
| 5 |
Amazon
AMZN
|
+$646M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SCHW
Charles Schwab
SCHW
|
+$1.64B |
| 2 |
Invesco QQQ Trust
QQQ
|
+$1.1B |
| 3 |
Strategy Inc
MSTR
|
+$564M |
| 4 |
Kroger
KR
|
+$558M |
| 5 |
Danaher
DHR
|
+$494M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.33% |
| 2 | Healthcare | 3.23% |
| 3 | Consumer Discretionary | 2.55% |
| 4 | Financials | 2.55% |
| 5 | Industrials | 1.94% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
9776
NRX Pharmaceuticals
NRXP
$147M
| $301K | ﹤0.01% |
+92,361
| New | +$232K |
|
9777
Spero Therapeutics
SPRO
$69.3M
| $301K | ﹤0.01% |
103,786
+42,470
| +69% | +$61.1K |
|
9778
CALL
Insperity
NSP
$1.93B
| $301K | ﹤0.01% |
5,000
-5,600
| -53% | -$391K |
|
|
9779
PUT
Insperity
NSP
$1.93B
| $301K | ﹤0.01% |
5,000
+1,200
| +32% | +$83.8K |
|
9780
PUT
Sabra Healthcare REIT
SBRA
$5.19B
| $301K | ﹤0.01% |
16,300
-60,700
| -79% | -$1.08M |
|
|
TACOU
9781
Berto Acquisition Corp Unit
TACOU
| $300K | ﹤0.01% |
+27,899
| New | +$292K |
|
9782
Invesco Oil & Gas Services ETF
PXJ
$67M
| $300K | ﹤0.01% |
+12,626
| New | +$294K |
|
9783
FingerMotion
FNGR
$18.6M
| $300K | ﹤0.01% |
147,939
+70,973
| +92% | +$174K |
|
9784
Virgin Galactic
SPCE
$474M
| $300K | ﹤0.01% |
+109,986
| New | +$337K |
|
9785
CALL
Mirum Pharmaceuticals
MIRM
$6.09B
| $300K | ﹤0.01% |
5,900
-8,900
| -60% | -$396K |
|
9786
PUT
Stepan Co
SCL
$1.47B
| $300K | ﹤0.01% |
5,500
+3,000
| +120% | +$158K |
|
|
DFDV
9787
PUT
DeFi Development Corp
DFDV
$98M
| $300K | ﹤0.01% |
+15,400
| New | +$222K |
|
9788
PUT
Philips
PHG
$26.2B
| $300K | ﹤0.01% |
12,964
-136,756
| -91% | -$3.06M |
|
9789
PUT
Anavex Life Sciences
AVXL
$298M
| $300K | ﹤0.01% |
32,500
-5,100
| -14% | -$43.5K |
|
9790
CALL
Maravai LifeSciences
MRVI
$846M
| $300K | ﹤0.01% |
124,300
+80,300
| +183% | +$169K |
|
9791
First Trust Energy AlphaDEX Fund
FXN
$397M
| $299K | ﹤0.01% |
19,719
-38,093
| -66% | -$563K |
|
9792
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.95B
| $299K | ﹤0.01% |
5,517
+718
| +15% | +$37.6K |
|
9793
Anika Therapeutics
ANIK
$287M
| $299K | ﹤0.01% |
28,253
-40,183
| -59% | -$507K |
|
9794
Central Pacific Financial
CPF
$989M
| $299K | ﹤0.01% |
10,659
+4,071
| +62% | +$107K |
|
9795
CALL
IDEX
IEX
$17.7B
| $298K | ﹤0.01% |
1,700
-4,700
| -73% | -$833K |
|
9796
CALL
Centuri Holdings
CTRI
$2.41B
| $298K | ﹤0.01% |
13,300
-4,700
| -26% | -$91.9K |
|
9797
First Trust Institutional Preferred Securities and Income ETF
FPEI
$1.95B
| $298K | ﹤0.01% |
+15,706
| New | +$292K |
|
9798
PUT
Universal Technical Institute
UTI
$1.44B
| $298K | ﹤0.01% |
8,800
-12,900
| -59% | -$405K |
|
9799
iShares iBonds Dec 2031 Term Treasury ETF
IBTL
$677M
| $298K | ﹤0.01% |
14,543
-11,706
| -45% | -$237K |
|
9800
CALL
COPT Defense Properties
CDP
$4.17B
| $298K | ﹤0.01% |
10,800
+5,900
| +120% | +$160K |
|
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Ken Griffin's Q2 2025 Portfolio in Review
As of Q2 2025, Ken Griffin held 15,819 positions worth $576B, up 9.2% from $527B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Ken Griffin withdrew a net $29.1B in Q2 2025, closing 3,524 positions and reducing 5,141 holdings. Its most notable exit was Kroger, an estimated $558M position sold in full.
By sector, the portfolio is most concentrated in Technology at 3.3% of assets, up from 2.9% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Ken Griffin opened a new position in Walmart Inc worth $401M.
- Ken Griffin's largest Q2 2025 buy was Walmart Inc: 4,099,492 shares worth $401M.
- Ken Griffin added most to NVIDIA in Q2 2025, an estimated $820M increase.
- Ken Griffin's biggest Q2 2025 reduction was Charles Schwab, cutting an estimated $1.64B.
- Ken Griffin fully exited Kroger in Q2 2025, selling an estimated $558M.
- Ken Griffin's ten largest holdings make up 27% of its $576B portfolio in Q2 2025.
- Ken Griffin opened 1,459 new positions and closed 3,524 in Q2 2025.
- Ken Griffin's portfolio value rose 9.2% quarter-over-quarter to $576B.
Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.