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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
KNTK icon
576
Kinetik
KNTK
$4.15B
$24.8M 0.04%
476,662
-177,600
-27% -$10.4M
AMKR icon
577
Amkor Technology
AMKR
$14.5B
$24.7M 0.04%
1,369,700
+998,000
+268% +$22.5M
JBHT icon
578
JB Hunt Transport Services
JBHT
$26.5B
$24.7M 0.04%
167,044
+129,100
+340% +$21.3M
VCYT icon
579
Veracyte
VCYT
$3.55B
$24.7M 0.04%
832,000
+231,300
+39% +$8.82M
AVPT icon
580
AvePoint
AVPT
$2.74B
$24.6M 0.04%
1,703,539
+551,939
+48% +$9.27M
SWBI icon
581
Smith & Wesson
SWBI
$639M
$24.6M 0.04%
2,636,874
-98,700
-4% -$1.02M
PRMB
582
Primo Brands
PRMB
$9.04B
$24.5M 0.04%
691,523
-487,900
-41% -$15.9M
ACAD icon
583
Acadia Pharmaceuticals
ACAD
$5.01B
$24.5M 0.04%
1,477,033
+250,500
+20% +$4.55M
SNA icon
584
Snap-on
SNA
$20.9B
$24.4M 0.04%
72,500
-29,400
-29% -$9.99M
HLI icon
585
Houlihan Lokey
HLI
$8.66B
$24.3M 0.04%
150,700
+113,700
+307% +$19.5M
BSCR icon
586
Invesco BulletShares 2027 Corporate Bond ETF
BSCR
$4.6B
$24.3M 0.04%
1,241,592
+918,892
+285% +$17.9M
L icon
587
Loews
L
$23B
$24.3M 0.04%
264,600
+114,000
+76% +$9.75M
BINC icon
588
BlackRock Flexible Income ETF
BINC
$16.3B
$24.3M 0.04%
463,471
+111,679
+32% +$5.85M
BELFB
589
Bel Fuse Inc Class B
BELFB
$4.25B
$24.2M 0.04%
323,751
+20,219
+7% +$1.62M
GPRK icon
590
GeoPark
GPRK
$598M
$24.2M 0.04%
2,997,548
-178,828
-6% -$1.6M
LEGN icon
591
Legend Biotech
LEGN
$4.01B
$24.1M 0.04%
710,900
-197,200
-22% -$7.07M
PNC icon
592
PNC Financial Services
PNC
$102B
$24M 0.04%
+136,799
New +$25.8M
OKTA icon
593
Okta
OKTA
$25.9B
$24M 0.04%
228,415
-20,900
-8% -$2.04M
TXNM
594
TXNM Energy Inc
TXNM
$5.91B
$24M 0.04%
448,784
-13,900
-3% -$698K
GGB icon
595
Gerdau
GGB
$9.46B
$23.8M 0.04%
8,386,024
+2,779,200
+50% +$8.11M
WRB icon
596
W.R. Berkley
WRB
$25.9B
$23.8M 0.04%
334,647
+204,600
+157% +$12.5M
OKLO
597
Oklo
OKLO
$8.41B
$23.7M 0.04%
1,096,400
+672,100
+158% +$22.7M
AOS icon
598
A.O. Smith
AOS
$8.45B
$23.7M 0.04%
362,700
+117,200
+48% +$7.92M
ELS icon
599
Equity Lifestyle Properties
ELS
$12.6B
$23.7M 0.04%
354,900
-32,700
-8% -$2.18M
LMB icon
600
Limbach Holdings
LMB
$528M
$23.6M 0.04%
316,671
-41,600
-12% -$3.64M
22 23
24
25 26

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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.