PRINCETON CAPITAL MANAGEMENT INC: GLW position timeline

PRINCETON CAPITAL MANAGEMENT INC held 214,019 GLW shares at 2017-09-30 per its 13F-HR filed 2017-11-03.

the latest 13F is the newest step

1. period ended2017-09-30

   13F 214,019 shares

   Change vs previous 13F +35,634 shares

   3.24% of the 13F portfolio, value $6,403,000.

   13F-HR 0000868911-17-000008 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2017-11-03 (acceptance time not in the bulk data set), ingested 2026-10-07 19:07:28 UTC

   Acceptance time not in the bulk data set (spec §4.2).

2. period ended2017-06-30

   13F 178,385 shares

   Change vs previous 13F -34,020 shares

   3.38% of the 13F portfolio, value $5,360,000.

   13F-HR 0000868911-17-000006 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2017-07-31 (acceptance time not in the bulk data set), ingested 2026-10-07 19:08:39 UTC

   Acceptance time not in the bulk data set (spec §4.2).

3. period ended2017-03-31

   13F 212,405 shares

   Change vs previous 13F -2,693 shares

   3.62% of the 13F portfolio, value $5,735,000.

   13F-HR 0000868911-17-000004 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2017-05-10 (acceptance time not in the bulk data set), ingested 2026-10-07 19:09:43 UTC

   Acceptance time not in the bulk data set (spec §4.2).

4. period ended2016-12-31

   13F 215,098 shares

   Change vs previous 13F -15,406 shares

   3.48% of the 13F portfolio, value $5,220,000.

   13F-HR 0000868911-17-000002 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2017-02-02 (acceptance time not in the bulk data set), ingested 2026-10-07 19:10:24 UTC

   Acceptance time not in the bulk data set (spec §4.2).

5. period ended2016-09-30

   13F 230,504 shares

   Change vs previous 13F -2,913 shares

   3.57% of the 13F portfolio, value $5,451,000.

   13F-HR 0000868911-16-000017 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2016-11-03 (acceptance time not in the bulk data set), ingested 2026-10-07 19:11:14 UTC

   Acceptance time not in the bulk data set (spec §4.2).

6. period ended2016-06-30

   13F 233,417 shares

   Change vs previous 13F -31,336 shares

   3.3% of the 13F portfolio, value $4,780,000.

   13F-HR 0000868911-16-000015 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2016-07-25 (acceptance time not in the bulk data set), ingested 2026-10-07 19:12:22 UTC

   Acceptance time not in the bulk data set (spec §4.2).

7. period ended2016-03-31

   13F 264,753 shares

   Change vs previous 13F -18,733 shares

   3.84% of the 13F portfolio, value $5,531,000.

   13F-HR 0000868911-16-000013 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2016-04-28 (acceptance time not in the bulk data set), ingested 2026-10-07 19:13:19 UTC

   Acceptance time not in the bulk data set (spec §4.2).

8. period ended2015-12-31

   13F 283,486 shares

   Change vs previous 13F not available

   3.65% of the 13F portfolio, value $5,182,000.

   13F-HR 0000868911-16-000011 filed by PRINCETON CAPITAL MANAGEMENT INC
   Filed 2016-01-28 (acceptance time not in the bulk data set), ingested 2026-10-07 19:14:07 UTC

   Acceptance time not in the bulk data set (spec §4.2).