Observatory · observe first

Seagate Technology

STX · United States · Technology Hardware, Storage & Peripherals · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.074%
12M weight contribution
+0.023 pp
3M weight contribution
+0.017 pp
12M price return
+72.9%

Share of matched S&P 500 members

Monthly observations through Aug 2025

0.00.10.120182019202020212022202320242025

Company price index

A separate dimension from market allocation

8624440220182019202020212022202320242025

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Aug 2025$35.6bn0.074%+0.023 pp+72.9%Yes
Jul 2025$33.3bn0.070%+0.032 pp+58.0%Yes
Jun 2025$30.6bn0.066%+0.025 pp+43.7%Yes
May 2025$25.0bn0.057%+0.019 pp+30.2%Yes
Apr 2025$19.3bn0.046%-0.006 pp+9.1%Yes
Mar 2025$18.0bn0.043%-0.011 pp-6.0%No
Feb 2025$21.6bn0.048%-0.008 pp+12.7%Yes
Jan 2025$20.4bn0.045%-0.008 pp+15.8%No
Dec 2024$18.3bn0.041%-0.012 pp+4.1%No
Nov 2024$21.4bn0.047%-0.004 pp+32.0%Yes
Oct 2024$21.2bn0.050%+0.001 pp+51.5%Yes
Sep 2024$23.0bn0.054%+0.008 pp+71.1%Yes
Aug 2024$20.9bn0.051%+0.004 pp+45.5%Yes
Jul 2024$21.5bn0.038%+0.010 pp+66.4%No
Jun 2024$21.7bn0.041%+0.011 pp+72.7%No
May 2024$19.6bn0.037%+0.007 pp+61.2%No
Apr 2024$18.0bn0.052%+0.011 pp+51.9%No
Mar 2024$19.5bn0.054%+0.007 pp+46.2%Yes
Feb 2024$19.5bn0.056%+0.009 pp+50.2%Yes
Jan 2024$18.0bn0.053%+0.005 pp+31.7%Yes
Dec 2023$17.9bn0.053%+0.014 pp+69.1%Yes
Nov 2023$16.5bn0.052%+0.014 pp+56.5%Yes
Oct 2023$14.3bn0.049%+0.012 pp+44.0%Yes
Sep 2023$13.7bn0.046%+0.002 pp+29.8%Yes

Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.