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Ken Griffin

Ken Griffin Citadel Advisors

AUM $875B
1-Year Est. Return 40.91%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+5.22%
1 Year Est. Return
+40.91%
3 Year Est. Return
+115.85%
5 Year Est. Return
+132.1%
10 Year Est. Return
+518.81%
AUM
$666B
AUM Growth
+$8.72B
Cap. Flow
+$1.57B
Cap. Flow %
0.24%
Top 10 Hldgs %
22.76%
Holding
14,701
New
2,078
Increased
5,000
Reduced
5,362
Closed
2,191

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$2.49B
2
NVDA icon
NVIDIA
NVDA
+$2.19B
3
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$1.94B
4
TSM icon
TSMC
TSM
+$728M
5
UNH icon
UnitedHealth
UNH
+$705M

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$775M
2
ABBV icon
AbbVie
ABBV
+$540M
3
DAL icon
Delta Air Lines
DAL
+$434M
4
LLY icon
Eli Lilly
LLY
+$433M
5
DXCM icon
DexCom
DXCM
+$433M

Sector Composition

Rank Sector Weight
1 Technology 4.89%
2 Healthcare 2.92%
3 Financials 2.71%
4 Consumer Discretionary 2.52%
5 Industrials 2.2%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ASYS icon
6376
Amtech Systems
ASYS
$295M
$1.57M ﹤0.01%
124,843
+46,389
+59% +$418K
RGA icon
6377
PUT
Reinsurance Group of America
RGA
$16.3B
$1.57M ﹤0.01%
7,700
-11,600
-60% -$2.24M
KURA icon
6378
CALL
Kura Oncology
KURA
$1B
$1.56M ﹤0.01%
150,300
+109,400
+267% +$1.15M
SNV
6379
CALL
DELISTED
Synovus
SNV
$1.56M ﹤0.01%
31,200
-168,000
-84% -$8.08M
PFG icon
6380
CALL
Principal Financial Group
PFG
$24.4B
$1.56M ﹤0.01%
17,700
-13,900
-44% -$1.17M
BCPC
6381
Balchem Corp
BCPC
$5.69B
$1.56M ﹤0.01%
10,176
-40,256
-80% -$6.14M
IEP icon
6382
CALL
Icahn Enterprises
IEP
$5.27B
$1.56M ﹤0.01%
206,700
+42,100
+26% +$339K
NWAX.U
6383
New America Acquisition I Corp Units
NWAX.U
$1.56M ﹤0.01%
+149,870
New +$1.56M
JPME icon
6384
JPMorgan Diversified Return US Mid Cap Equity ETF
JPME
$479M
$1.56M ﹤0.01%
+14,349
New +$1.55M
QTWO icon
6385
CALL
Q2 Holdings
QTWO
$4.04B
$1.56M ﹤0.01%
21,600
-100
-0.5% -$6.87K
IWX icon
6386
iShares Russell Top 200 Value ETF
IWX
$4.01B
$1.56M ﹤0.01%
16,960
+3,038
+22% +$273K
FWRD icon
6387
PUT
Forward Air
FWRD
$640M
$1.56M ﹤0.01%
62,300
+34,400
+123% +$774K
FDIG icon
6388
Fidelity Crypto Industry and Digital Payments ETF
FDIG
$257M
$1.56M ﹤0.01%
40,426
+32,705
+424% +$1.54M
CLPT icon
6389
CALL
ClearPoint Neuro
CLPT
$468M
$1.56M ﹤0.01%
113,800
+13,900
+14% +$258K
ALSN icon
6390
PUT
Allison Transmission
ALSN
$10.4B
$1.56M ﹤0.01%
15,900
-2,200
-12% -$193K
DGXX
6391
Digi Power X Inc
DGXX
$382M
$1.56M ﹤0.01%
+610,102
New +$2.29M
FEIG icon
6392
FlexShares ESG & Climate Investment Grade Corporate Core Index Fund
FEIG
$47.9M
$1.56M ﹤0.01%
37,616
-2,185
-5% -$90.9K
SRRK icon
6393
CALL
Scholar Rock
SRRK
$6.4B
$1.55M ﹤0.01%
35,300
-112,300
-76% -$4.21M
SPYD icon
6394
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$7.69B
$1.55M ﹤0.01%
35,935
+22,505
+168% +$975K
INR
6395
Infinity Natural Resources
INR
$262M
$1.55M ﹤0.01%
105,506
-57,741
-35% -$757K
TCMD icon
6396
Tactile Systems Technology
TCMD
$557M
$1.55M ﹤0.01%
+53,577
New +$1.19M
ING icon
6397
ING
ING
$102B
$1.55M ﹤0.01%
55,425
-352,535
-86% -$9.09M
SVXY icon
6398
CALL
ProShares Short VIX Short-Term Futures ETF
SVXY
$246M
$1.55M ﹤0.01%
28,000
-8,100
-22% -$409K
RTH icon
6399
VanEck Retail ETF
RTH
$256M
$1.55M ﹤0.01%
6,208
-1,989
-24% -$499K
JPIN icon
6400
JPMorgan Diversified Return International Equity ETF
JPIN
$374M
$1.55M ﹤0.01%
22,730
+12,840
+130% +$869K
254 255
256
257 258

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Ken Griffin's Q4 2025 Portfolio in Review

As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.

By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.

  • Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
  • Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
  • Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
  • Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
  • Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
  • Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
  • Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.