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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
+1.01%
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
$66.1B
AUM Growth
-$1.48B
Cap. Flow
+$425M
Cap. Flow %
0.64%
Top 10 Hldgs %
10.65%
Holding
3,989
New
456
Increased
1,472
Reduced
1,441
Closed
583

Top Buys

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$513M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$412M
3
META icon
Meta Platforms (Facebook)
META
+$354M
4
NOW icon
ServiceNow
NOW
+$262M
5
AAL icon
American Airlines Group
AAL
+$259M

Top Sells

Rank Stock Value
1
PLTR icon
Palantir
PLTR
+$571M
2
AAPL icon
Apple
AAPL
+$571M
3
NFLX icon
Netflix
NFLX
+$388M
4
NVDA icon
NVIDIA
NVDA
+$313M
5
TSM icon
TSMC
TSM
+$211M

Sector Composition

Rank Sector Weight
1 Technology 17.32%
2 Healthcare 15.28%
3 Consumer Discretionary 11.85%
4 Financials 11.11%
5 Industrials 8.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RJF icon
551
Raymond James Financial
RJF
$34.8B
$26.7M 0.04%
192,437
-69,600
-27% -$10.8M
FCN icon
552
FTI Consulting
FCN
$4.23B
$26.7M 0.04%
162,600
+104,900
+182% +$18.9M
IRMD icon
553
iRadimed
IRMD
$1.13B
$26.3M 0.04%
501,712
-11,300
-2% -$635K
AA icon
554
Alcoa
AA
$13.4B
$26.3M 0.04%
862,245
+549,149
+175% +$19.2M
GH icon
555
Guardant Health
GH
$22.2B
$26.3M 0.04%
616,500
+113,400
+23% +$4.89M
SSRM icon
556
SSR Mining
SSRM
$6.44B
$26.2M 0.04%
2,612,143
-391,183
-13% -$3.61M
AXTA icon
557
Axalta
AXTA
$7.99B
$26.1M 0.04%
787,500
-216,800
-22% -$7.7M
ONON icon
558
On Holding
ONON
$10.2B
$26M 0.04%
+592,900
New +$31.2M
CRC icon
559
California Resources
CRC
$4.64B
$26M 0.04%
590,436
+383,800
+186% +$18.2M
NTAP icon
560
NetApp
NTAP
$40.7B
$25.7M 0.04%
292,580
-165,800
-36% -$18.3M
KGS icon
561
Kodiak Gas Services
KGS
$6.31B
$25.7M 0.04%
688,422
+85,000
+14% +$3.62M
ISTB icon
562
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.14B
$25.5M 0.04%
528,400
+303,388
+135% +$14.6M
TIMB icon
563
TIM SA
TIMB
$8.48B
$25.4M 0.04%
1,625,386
-93,202
-5% -$1.29M
SMFG icon
564
Sumitomo Mitsui Financial
SMFG
$167B
$25.4M 0.04%
1,642,470
+31,800
+2% +$484K
PII icon
565
Polaris
PII
$3.9B
$25.4M 0.04%
620,200
+521,800
+530% +$24.8M
PAAS icon
566
Pan American Silver
PAAS
$20B
$25.4M 0.04%
981,822
-516,424
-34% -$12.4M
WAY
567
Waystar Holding Corp
WAY
$4.77B
$25.2M 0.04%
673,700
+645,900
+2,323% +$25.6M
DAVE icon
568
Dave Inc
DAVE
$4.16B
$25M 0.04%
302,900
+12,400
+4% +$1.16M
IBDR icon
569
iShares iBonds Dec 2026 Term Corporate ETF
IBDR
$3.38B
$25M 0.04%
1,034,008
+454,208
+78% +$11M
LBTYK icon
570
Liberty Global Class C
LBTYK
$3.46B
$25M 0.04%
2,090,076
+211,276
+11% +$2.54M
UTL icon
571
Unitil
UTL
$996M
$25M 0.04%
432,540
-3,300
-0.8% -$182K
ASR icon
572
Grupo Aeroportuario del Sureste
ASR
$8.18B
$24.9M 0.04%
91,083
-200
-0.2% -$54.7K
FLS icon
573
Flowserve
FLS
$10.2B
$24.8M 0.04%
508,700
-118,500
-19% -$6.73M
SBRA icon
574
Sabra Healthcare REIT
SBRA
$5.22B
$24.8M 0.04%
1,421,920
+23,700
+2% +$400K
IESC icon
575
IES Holdings
IESC
$15B
$24.8M 0.04%
150,432
-13,100
-8% -$2.73M
21 22
23
24 25

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Jim Simons's Q1 2025 Portfolio in Review

As of Q1 2025, Jim Simons held 3,989 positions worth $66.1B, down 2.2% from $67.6B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons's Q1 2025 filing shows 456 new, 1,472 increased, 1,441 reduced and 583 closed positions. Its largest new stake was ServiceNow: 1,361,505 shares worth $217M. The largest sale was Palantir, an estimated $571M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, down from 21% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q1 2025 buy was ServiceNow: 1,361,505 shares worth $217M.
  • Jim Simons added most to Broadcom in Q1 2025, an estimated $513M increase.
  • Jim Simons's biggest Q1 2025 reduction was Palantir, cutting an estimated $571M.
  • Jim Simons fully exited Nike in Q1 2025, selling an estimated $197M.
  • Jim Simons's ten largest holdings make up 11% of its $66.1B portfolio in Q1 2025.
  • Jim Simons opened 456 new positions and closed 583 in Q1 2025.
  • Jim Simons's portfolio value fell 2.2% quarter-over-quarter to $66.1B.

Based on Renaissance Technologies's 13F filing for Q1 2025, filed 14 May 2025.