We are live on ! Find out more
Jim Simons

Jim Simons Renaissance Technologies

AUM $63.9B
1-Year Est. Return 45.56%
 

Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.

This Fund
S&P 500
This Quarter Est. Return
+17.5%
1 Year Est. Return
+45.56%
3 Year Est. Return
+129.95%
5 Year Est. Return
+153.6%
10 Year Est. Return
+738.31%
AUM
$75.8B
AUM Growth
+$582M
Cap. Flow
-$5.41B
Cap. Flow %
-7.14%
Top 10 Hldgs %
11.47%
Holding
4,038
New
516
Increased
1,457
Reduced
1,457
Closed
581

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$546M
2
MSFT icon
Microsoft
MSFT
+$480M
3
GOOG icon
Alphabet (Google) Class C
GOOG
+$362M
4
META icon
Meta Platforms (Facebook)
META
+$350M
5
KO icon
Coca-Cola
KO
+$266M

Top Sells

Rank Stock Value
1
HOOD icon
Robinhood
HOOD
+$1.04B
2
PLTR icon
Palantir
PLTR
+$800M
3
AAPL icon
Apple
AAPL
+$516M
4
NFLX icon
Netflix
NFLX
+$326M
5
NVDA icon
NVIDIA
NVDA
+$313M

Sector Composition

Rank Sector Weight
1 Technology 21.71%
2 Healthcare 15.16%
3 Consumer Discretionary 11.81%
4 Communication Services 10.53%
5 Financials 9.27%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TNA icon
3926
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.47B
– –
-31,000
Closed -$1.04M
TPH
3927
DELISTED
Tri Pointe Homes
TPH
– –
-567,836
Closed -$18.1M
TPIC
3928
DELISTED
TPI Composites
TPIC
– –
-13,986
Closed -$12K
TQQQ icon
3929
ProShares UltraPro QQQ
TQQQ
$36.7B
– –
-225,200
Closed -$9.35M
TRMB icon
3930
Trimble
TRMB
$13.5B
– –
-77,744
Closed -$5.91M
TROW icon
3931
T. Rowe Price
TROW
$24.3B
– –
-114,500
Closed -$11M
TRST
3932
Trustco Bank Corp NY
TRST
$953M
– –
-27,359
Closed -$914K
TSBX
3933
DELISTED
Turnstone Biologics
TSBX
– –
-47,100
Closed -$16.9K
TSHA icon
3934
Taysha Gene Therapies
TSHA
$1.92B
– –
-54,900
Closed -$127K
TSLS icon
3935
Direxion Daily TSLA Bear 1X ETF
TSLS
$75.5M
– –
-5,930
Closed -$465K
TTMI icon
3936
TTM Technologies
TTMI
$13.8B
– –
-193,969
Closed -$7.92M
TTNP
3937
DELISTED
Titan Pharmaceuticals
TTNP
– –
-11,380
Closed -$47.8K
TUA icon
3938
Simplify Short Term Treasury Futures Strategy ETF
TUA
$656M
– –
-24,700
Closed -$544K
TWST icon
3939
Twist Bioscience
TWST
$7.72B
– –
-13,800
Closed -$508K
UAA icon
3940
Under Armour
UAA
$2.29B
– –
-1,968,400
Closed -$13.4M
UAL icon
3941
United Airlines
UAL
$41B
– –
-15,495
Closed -$1.23M
UBX
3942
DELISTED
Unity Biotechnology
UBX
– –
-98,311
Closed -$37.8K
UEC icon
3943
Uranium Energy
UEC
$5.67B
– –
-803,737
Closed -$5.47M
UHAL icon
3944
U-Haul Holding Co
UHAL
$14.3B
– –
-8,200
Closed -$497K
ULCC icon
3945
Frontier Group Holdings
ULCC
$1.59B
– –
-279,900
Closed -$1.02M
ULTA icon
3946
Ulta Beauty
ULTA
$23.3B
– –
-124,600
Closed -$58.3M
UNCY icon
3947
Unicycive Therapeutics
UNCY
$137M
– –
-11,790
Closed -$56.2K
UNIT
3948
Uniti Group
UNIT
$2.25B
– –
-702,686
Closed -$3.04M
UNM icon
3949
Unum
UNM
$14.2B
– –
-258,400
Closed -$20.9M
UP icon
3950
Wheels Up
UP
$194M
– –
-5,225
Closed -$112K
156 157
158
159 160

Similar funds

Baird Financial Group
Baird Financial Group Milwaukee, Wisconsin $64B AUM 22.64% 1-Year Est. Return
Bessemer Group
Bessemer Group Woodbridge, New Jersey $63.6B AUM 28.76% 1-Year Est. Return
GQG Partners
GQG Partners Ft. Lauderdale, Florida $63.1B AUM 23.07% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Caisse de Depot et Placement du Quebec (CDPQ)
Caisse de Depot et Placement du Quebec (CDPQ) Montreal, Quebec, Canada $62.4B AUM 23.7% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $62.2B AUM 31.35% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

Jim Simons's Q3 2025 Portfolio in Review

As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.

Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.

  • Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
  • Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
  • Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
  • Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
  • Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
  • Jim Simons opened 516 new positions and closed 581 in Q3 2025.
  • Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.

Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.