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Index change event

S&P 500, MidCap 400 & SmallCap 600 Additions & Index Changes: DASH, EXE, TKO, WSM, ALK, ATI, BBWI, SATS, HIMS, VFC, BWA, CE, CLSK, ESI, FMC, FRPT, KTOS, MWA, NEOG, RHP, TFX, TDC, CC & WSC – 7th March 2025

On 7 March 2025, S&P Dow Jones Indices announced 54 index changes affecting 38 companies in the S&P 100, S&P 500, S&P MidCap 400 and S&P SmallCap 600. The most notable move was DoorDash joining the S&P 500.

Announced

2025-03-07

Effective

March 23, 2025 at 5:00:00 PM

Indexes Affected

S&P 100, S&P 500, S&P MidCap 400, S&P SmallCap 600

54

Index Changes in Total

27

Additions

27

Deletions

16

Companies that changed index

What happened to the prices

By the next day's close, the 20 additions with price data had peaked at an average of +3.77%, against +3.17% for the 18 deletions. The largest mover was CleanSpark, with a peak of +9.87%. The moves are measured from the first extended-hours price after the announcement, except for 1 name with no recorded trade after 17:15 ET, measured from the 16:00 ET close.

Green Dot went against the other deletions: its next-day open was +3.39% from the post-announcement price, while the 18 deletions averaged -0.41%.

In Short

54 index changes: 27 additions and 27 deletions.

16 companies moved from one S&P index to another, out of 38 in total.

Largest peak move: CleanSpark, +9.87% by the next day's close.

The changes, index by index

An empty cell means the company was not in the S&P family before, or left it.

S&P 500 Additions: DoorDash (DASH), TKO Group Holdings (TKO), Williams-Sonoma (WSM) and 1 more

4 companies joined the S&P 500 and 4 left, effective 24 March 2025. Expand Energy, TKO Group Holdings and Williams-Sonoma moved up from the S&P MidCap 400; DoorDash is new to the S&P family; Borgwarner, Celanese, FMC and Teleflex moved down to the S&P SmallCap 600. The 4 additions with price data peaked at an average of +5.05% by the next day's close, led by DoorDash at +9.36%.

Company
Ticker
Source Index
Final Index
Effective Date
DoorDash
DASH
S&P 500
03/24/2025
Expand Energy
EXE
S&P MidCap 400
S&P 500
03/24/2025
TKO Group Holdings
TKO
S&P MidCap 400
S&P 500
03/24/2025
Williams-Sonoma
WSM
S&P MidCap 400
S&P 500
03/24/2025

S&P MidCap 400 Additions: Alaska Air Group (ALK), ATI (ATI), Bath & Body Works (BBWI) and 3 more

6 companies joined the S&P MidCap 400 and 6 left, effective 24 March 2025. Of the 6 additions, all 6 moved up from the S&P SmallCap 600; of the 6 deletions, 3 moved up to the S&P 500 and 3 moved down to the S&P SmallCap 600. The 6 additions with price data peaked at an average of +1.17% by the next day's close, led by Hims & Hers Health at +3.68%.

Company
Ticker
Source Index
Final Index
Effective Date
Alaska Air Group
ALK
S&P SmallCap 600
S&P MidCap 400
03/24/2025
ATI
ATI
S&P SmallCap 600
S&P MidCap 400
03/24/2025
Bath & Body Works
BBWI
S&P SmallCap 600
S&P MidCap 400
03/24/2025
EchoStar
SATS
S&P SmallCap 600
S&P MidCap 400
03/24/2025
Hims & Hers Health
HIMS
S&P SmallCap 600
S&P MidCap 400
03/24/2025
VF
VFC
S&P SmallCap 600
S&P MidCap 400
03/24/2025

S&P SmallCap 600 Additions: Borgwarner (BWA), Celanese (CE), FMC (FMC) and 11 more

14 companies joined the S&P SmallCap 600 and 14 left, effective 24 March 2025. Of the 14 additions, 4 moved down from the S&P 500, 3 moved down from the S&P MidCap 400 and 7 are new to the S&P family; of the 14 deletions, 6 moved up to the S&P MidCap 400 and 8 left the S&P family. The 14 additions with price data peaked at an average of +4.60% by the next day's close, led by CleanSpark at +9.87%.

Company
Ticker
Source Index
Final Index
Effective Date
Borgwarner
BWA
S&P 500
S&P SmallCap 600
03/24/2025
Celanese
CE
S&P 500
S&P SmallCap 600
03/24/2025
CleanSpark
CLSK
S&P SmallCap 600
03/24/2025
Element Solutions
ESI
S&P SmallCap 600
03/24/2025
FMC
FMC
S&P 500
S&P SmallCap 600
03/24/2025
Freshpet
FRPT
S&P SmallCap 600
03/24/2025
Kratos Defense & Security Solutions
KTOS
S&P SmallCap 600
03/24/2025
Mueller Water Products
MWA
S&P SmallCap 600
03/24/2025
Neogen
NEOG
S&P MidCap 400
S&P SmallCap 600
03/24/2025
Ryman Hospitality Properties
RHP
S&P SmallCap 600
03/24/2025
Teleflex
TFX
S&P 500
S&P SmallCap 600
03/24/2025
Teradata
TDC
S&P MidCap 400
S&P SmallCap 600
03/24/2025
The Chemours Company
CC
S&P MidCap 400
S&P SmallCap 600
03/24/2025
WillScot Holdings
WSC
S&P SmallCap 600
03/24/2025

S&P 100 Additions: Intuitive Surgical (ISRG), Palantir Technologies (PLTR) and ServiceNow (NOW)

3 companies joined the S&P 100 and 3 left, effective 24 March 2025. Intuitive Surgical, Palantir Technologies and ServiceNow joined and Dow, Ford Motor and Kraft Heinz left the S&P 100. The 3 additions with price data peaked at an average of +0.20% by the next day's close, led by Palantir Technologies at +0.45%.

Company
Ticker
Source Index
Final Index
Effective Date
Intuitive Surgical
ISRG
S&P 100
03/24/2025
Palantir Technologies
PLTR
S&P 100
03/24/2025
ServiceNow
NOW
S&P 100
03/24/2025

Price reaction

The close price is the last price before the announcement. Percentages are measured from the open price after the announcement, or from the close for a company with no price after it.

S&P 500 Additions Changes

Company
Ticker
Source Index
Final Index
Close Price
Open Price at Announcement
% Change +5 min
% Change +30 min
% Change at 20:00 Hrs
% Change by Next Day Open
% Highest Change by Next Day Close
DoorDash
DASH
S&P 500
178.08
177.99
+7.55%
+6.89%
+6.19%
+2.53%
+9.36%
Expand Energy
EXE
S&P MidCap 400
S&P 500
96.03
96.53
+3.57%
+1.11%
+1.68%
+1.07%
+3.59%
TKO Group Holdings
TKO
S&P MidCap 400
S&P 500
143.73
144.50
+3.81%
+2.80%
+2.08%
-3.50%
+5.05%
Williams-Sonoma
WSM
S&P MidCap 400
S&P 500
188.41
191.80
+0.62%
+0.10%
-0.10%
-0.94%
+2.19%

S&P MidCap 400 Additions Changes

Company
Ticker
Source Index
Final Index
Close Price
Open Price at Announcement
% Change +5 min
% Change +30 min
% Change at 20:00 Hrs
% Change by Next Day Open
% Highest Change by Next Day Close
Alaska Air Group
ALK
S&P SmallCap 600
S&P MidCap 400
60.64
60.53
-0.13%
-0.17%
-0.21%
-4.18%
+0.96%
ATI
ATI
S&P SmallCap 600
S&P MidCap 400
55.26
54.08
+1.26%
+1.26%
+1.26%
-1.89%
+1.26%
Bath & Body Works
BBWI
S&P SmallCap 600
S&P MidCap 400
32.62
32.32
-0.96%
-0.34%
-0.34%
-1.61%
+0.03%
EchoStar
SATS
S&P SmallCap 600
S&P MidCap 400
28.14
27.72
+0.29%
+0.29%
+0.32%
-1.55%
+0.32%
Hims & Hers Health
HIMS
S&P SmallCap 600
S&P MidCap 400
35.95
35.83
+0.33%
+0.14%
-0.08%
-4.80%
+3.68%
VF
VFC
S&P SmallCap 600
S&P MidCap 400
19.13
19.14
0.00%
-0.16%
-0.42%
-3.55%
+0.78%

S&P SmallCap 600 Additions Changes

Not a Investment Advice

Company
Ticker
Source Index
Final Index
Close Price
Open Price at Announcement
% Change +5 min
% Change +30 min
% Change at 20:00 Hrs
% Change by Next Day Open
% Highest Change by Next Day Close
Borgwarner
BWA
S&P 500
S&P SmallCap 600
29.81
29.81
0.00%
+1.84%
+1.84%
-0.03%
+2.58%
Celanese
CE
S&P 500
S&P SmallCap 600
55.32
55.05
0.00%
+0.49%
+0.56%
-0.16%
+3.14%
CleanSpark
CLSK
S&P SmallCap 600
8.83
8.71
+3.33%
+3.33%
+2.41%
-1.84%
+9.87%
Element Solutions
ESI
S&P SmallCap 600
24.85
25.53
-0.20%
+1.92%
+1.88%
+0.86%
+3.76%
FMC
FMC
S&P 500
S&P SmallCap 600
41.29
41.29
0.00%
-0.39%
0.00%
+0.05%
+2.59%
Freshpet
FRPT
S&P SmallCap 600
96.86
98.26
+7.06%
+3.83%
+4.32%
-1.90%
+7.19%
Kratos Defense & Security Solutions
KTOS
S&P SmallCap 600
27.29
27.48
+1.89%
+2.62%
+2.33%
+0.69%
+9.35%
Mueller Water Products
MWA
S&P SmallCap 600
25.05
25.43
+8.18%
+8.18%
+4.29%
+0.67%
+8.18%
Neogen
NEOG
S&P MidCap 400
S&P SmallCap 600
10.40
10.40
0.00%
+1.63%
+1.73%
+0.67%
+2.40%
Ryman Hospitality Properties
RHP
S&P SmallCap 600
98.82
100.17
+3.09%
+3.09%
+3.09%
+1.47%
+3.09%
Teleflex
TFX
S&P 500
S&P SmallCap 600
139.85
140.01
0.00%
0.00%
0.00%
-0.65%
+2.24%
Teradata
TDC
S&P MidCap 400
S&P SmallCap 600
23.05
23.22
0.00%
+0.78%
+0.78%
-0.22%
+1.51%
The Chemours Company
CC
S&P MidCap 400
S&P SmallCap 600
14.12
14.21
+0.21%
+0.14%
+0.49%
-1.48%
+2.32%
WillScot Holdings
WSC
S&P SmallCap 600
28.07
28.38
+3.66%
+3.95%
+5.00%
+1.32%
+6.20%
Not a Investment Advice

This page is research about past price behaviour. It is not a recommendation to buy or sell.

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