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
|
+$9.91B |
| 2 |
SPCX
SpaceX
SPCX
|
+$871M |
| 3 |
Eli Lilly
LLY
|
+$719M |
| 4 |
Amazon
AMZN
|
+$698M |
| 5 |
Netflix
NFLX
|
+$627M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$3B |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.54B |
| 3 |
TSMC
TSM
|
+$1.42B |
| 4 |
NVIDIA
NVDA
|
+$1.41B |
| 5 |
SNDK
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.92% |
| 2 | Healthcare | 2.55% |
| 3 | Industrials | 2.24% |
| 4 | Financials | 2.13% |
| 5 | Consumer Discretionary | 1.76% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2451
PUT
Align Technology
ALGN
$12.9B
| $21.4M | ﹤0.01% |
126,700
+55,600
| +78% | +$9.65M |
|
2452
Las Vegas Sands
LVS
$29.9B
| $21.4M | ﹤0.01% |
462,249
-152,700
| -25% | -$7.92M |
|
|
LGN
2453
PUT
Legence Corp
LGN
$5.1B
| $21.4M | ﹤0.01% |
+250,500
| New | +$20.4M |
|
2454
PUT
State Street SPDR S&P Metals & Mining ETF
XME
$4.53B
| $21.3M | ﹤0.01% |
199,400
-75,400
| -27% | -$8.85M |
|
2455
Alphatec Holdings
ATEC
$1.51B
| $21.3M | ﹤0.01% |
2,461,400
+1,604,061
| +187% | +$14.6M |
|
2456
CALL
Markel Group
MKL
$22.9B
| $21.3M | ﹤0.01% |
10,900
+1,400
| +15% | +$2.61M |
|
2457
CALL
Schwab US Dividend Equity ETF
SCHD
$108B
| $21.3M | ﹤0.01% |
671,100
+84,000
| +14% | +$2.66M |
|
2458
CALL
BridgeBio Pharma
BBIO
$15.6B
| $21.3M | ﹤0.01% |
285,700
+124,100
| +77% | +$8.69M |
|
2459
Park Hotels & Resorts
PK
$3.05B
| $21.3M | ﹤0.01% |
1,493,020
-782,116
| -34% | -$9.57M |
|
2460
PUT
Cleveland-Cliffs
CLF
$6.79B
| $21.2M | ﹤0.01% |
2,261,100
-177,400
| -7% | -$1.95M |
|
2461
CALL
Vanguard High Dividend Yield ETF
VYM
$84B
| $21.2M | ﹤0.01% |
134,200
+55,900
| +71% | +$8.74M |
|
2462
Ferrovial N.V. Ordinary Shares
FER
$46.2B
| $21.2M | ﹤0.01% |
309,013
+276,140
| +840% | +$18.9M |
|
2463
CALL
Restaurant Brands International
QSR
$27.1B
| $21.2M | ﹤0.01% |
292,300
+167,700
| +135% | +$12.8M |
|
2464
CALL
Builders FirstSource
BLDR
$7.8B
| $21.2M | ﹤0.01% |
236,800
+96,400
| +69% | +$7.7M |
|
2465
First Trust Smith Opportunistic Fixed Income ETF
FIXD
$3.24B
| $21.2M | ﹤0.01% |
485,591
+427,984
| +743% | +$18.7M |
|
2466
Ormat Technologies
ORA
$7.06B
| $21.2M | ﹤0.01% |
194,444
+126,246
| +185% | +$15.6M |
|
|
WCC
2467
CALL
WESCO International
WCC
$17.6B
| $21.2M | ﹤0.01% |
61,300
+19,400
| +46% | +$6.58M |
|
2468
Plexus
PLXS
$7.13B
| $21.2M | ﹤0.01% |
70,417
+35,294
| +100% | +$9.2M |
|
2469
CALL
Gartner
IT
$11.4B
| $21.2M | ﹤0.01% |
163,300
-8,500
| -5% | -$1.28M |
|
2470
PUT
Global X Copper Miners ETF NEW
COPX
$7.98B
| $21.2M | ﹤0.01% |
275,000
-297,500
| -52% | -$24.8M |
|
2471
CALL
Invesco CurrencyShares Japanese Yen Trust
FXY
$426M
| $21.2M | ﹤0.01% |
375,000
-62,700
| -14% | -$3.61M |
|
2472
KBR
KBR
$4.84B
| $21.1M | ﹤0.01% |
611,971
-21,710
| -3% | -$757K |
|
2473
CALL
PACS Group
PACS
$7.04B
| $21.1M | ﹤0.01% |
495,300
+254,300
| +106% | +$9.14M |
|
2474
First Solar
FSLR
$24.2B
| $21.1M | ﹤0.01% |
89,345
-248,899
| -74% | -$58.3M |
|
2475
Silicon Laboratories
SLAB
$7.29B
| $21.1M | ﹤0.01% |
96,442
-245,058
| -72% | -$53M |
|
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Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,447 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin deployed $103B of net new capital in Q2 2026, opening 2,575 new positions and adding to 6,089 existing holdings. Its largest new stake was SpaceX: 5,129,884 shares worth $876M.
By sector, the portfolio is most concentrated in Technology at 3.9% of assets, down from 4.5% a quarter earlier, followed by Healthcare and Industrials.
On the sell side, the largest reduction was Micron Technology, an estimated $3B trimmed.
- Ken Griffin's largest Q2 2026 buy was SpaceX: 5,129,884 shares worth $876M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q2 2026, an estimated $9.91B increase.
- Ken Griffin's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $3B.
- Ken Griffin fully exited iShares 7-10 Year Treasury Bond ETF in Q2 2026, selling an estimated $325M.
- Ken Griffin's ten largest holdings make up 23% of its $875B portfolio in Q2 2026.
- Ken Griffin opened 2,575 new positions and closed 1,872 in Q2 2026.
- Ken Griffin's portfolio value rose 41% quarter-over-quarter to $875B.
Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.