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 |
Meta Platforms (Facebook)
META
|
+$1.45B |
| 2 |
Visa
V
|
+$1.05B |
| 3 |
Microsoft
MSFT
|
+$1.01B |
| 4 |
Apple
AAPL
|
+$578M |
| 5 |
Norfolk Southern
NSC
|
+$545M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
HES
Hess
HES
|
+$1.24B |
| 2 |
McDonald's
MCD
|
+$707M |
| 3 |
JPMorgan Chase
JPM
|
+$680M |
| 4 |
Texas Instruments
TXN
|
+$678M |
| 5 |
Edwards Lifesciences
EW
|
+$664M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.8% |
| 2 | Healthcare | 2.66% |
| 3 | Financials | 2.38% |
| 4 | Consumer Discretionary | 2.05% |
| 5 | Industrials | 2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
351
PUT
McDonald's
MCD
$193B
| $282M | 0.04% |
929,600
-45,400
| -5% | -$13.8M |
|
352
PUT
State Street SPDR S&P Biotech ETF
XBI
$10.5B
| $282M | 0.04% |
2,811,100
+518,400
| +23% | +$46.7M |
|
353
Atlassian
TEAM
$38.3B
| $279M | 0.04% |
1,748,845
+955,944
| +121% | +$173M |
|
354
Paylocity
PCTY
$7.49B
| $277M | 0.04% |
1,737,715
+425,115
| +32% | +$75.3M |
|
355
AstraZeneca
AZN
$246B
| $275M | 0.04% |
1,793,143
+877,671
| +96% | +$133M |
|
356
Amphenol
APH
$209B
| $273M | 0.04% |
2,209,106
-45,881
| -2% | -$5.03M |
|
357
PUT
Astera Labs
ALAB
$55.8B
| $273M | 0.04% |
1,394,000
+1,037,700
| +291% | +$171M |
|
358
CALL
State Street Health Care Select Sector SPDR ETF
XLV
$43.7B
| $272M | 0.04% |
1,951,500
+258,100
| +15% | +$34.9M |
|
359
Union Pacific
UNP
$174B
| $271M | 0.04% |
1,146,986
-537,133
| -32% | -$121M |
|
360
PUT
Amgen
AMGN
$224B
| $270M | 0.04% |
957,900
+2,700
| +0.3% | +$783K |
|
361
PUT
American Express
AXP
$229B
| $270M | 0.04% |
812,200
+98,200
| +14% | +$31.2M |
|
362
PUT
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.5B
| $269M | 0.04% |
2,247,000
+75,600
| +3% | +$8.65M |
|
363
Dynatrace
DT
$14.1B
| $269M | 0.04% |
5,551,164
+2,617,750
| +89% | +$132M |
|
364
PUT
iShares Semiconductor ETF
SOXX
$46.7B
| $268M | 0.04% |
987,900
+152,600
| +18% | +$38.1M |
|
365
Domino's
DPZ
$11.7B
| $267M | 0.04% |
618,522
-287,736
| -32% | -$131M |
|
366
Northrop Grumman
NOC
$81.6B
| $267M | 0.04% |
+438,015
| New | +$248M |
|
|
367
PUT
Texas Instruments
TXN
$261B
| $266M | 0.04% |
1,449,400
-2,800
| -0.2% | -$547K |
|
368
CALL
DoorDash
DASH
$91.8B
| $266M | 0.04% |
978,300
+63,800
| +7% | +$16M |
|
369
CALL
Cameco
CCJ
$43.3B
| $265M | 0.04% |
3,154,600
-270,500
| -8% | -$21M |
|
370
Air Products & Chemicals
APD
$68.3B
| $263M | 0.04% |
962,549
-17,988
| -2% | -$5.21M |
|
371
Pfizer
PFE
$150B
| $262M | 0.04% |
10,286,927
-4,579,276
| -31% | -$113M |
|
372
CALL
Marathon Digital Holdings
MARA
$3.85B
| $260M | 0.04% |
14,251,100
+5,465,900
| +62% | +$92.1M |
|
373
PUT
Honeywell
HON
$72.7B
| $259M | 0.04% |
1,307,789
+686,680
| +111% | +$143M |
|
374
PUT
Duolingo
DUOL
$6.19B
| $259M | 0.04% |
804,900
+658,000
| +448% | +$220M |
|
375
PUT
MP Materials
MP
$9.65B
| $258M | 0.04% |
3,852,200
+3,126,400
| +431% | +$197M |
|
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Ken Griffin's Q3 2025 Portfolio in Review
As of Q3 2025, Ken Griffin held 14,587 positions worth $657B, up 14% from $576B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
Ken Griffin's Q3 2025 filing shows 2,292 new, 5,365 increased, 4,887 reduced and 1,963 closed positions. Its largest new stake was Permian Resources: 18,381,735 shares worth $235M. The largest sale was Hess, an estimated $1.24B.
By sector, the portfolio is most concentrated in Technology at 3.8% of assets, up from 3.3% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q3 2025 buy was Permian Resources: 18,381,735 shares worth $235M.
- Ken Griffin added most to Meta Platforms (Facebook) in Q3 2025, an estimated $1.45B increase.
- Ken Griffin's biggest Q3 2025 reduction was McDonald's, cutting an estimated $707M.
- Ken Griffin fully exited Hess in Q3 2025, selling an estimated $1.24B.
- Ken Griffin's ten largest holdings make up 25% of its $657B portfolio in Q3 2025.
- Ken Griffin opened 2,292 new positions and closed 1,963 in Q3 2025.
- Ken Griffin's portfolio value rose 14% quarter-over-quarter to $657B.
Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.