Vanguard Group’s ClearSign Technologies CLIR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | $736K | Buy |
132,298
+4,540
| +4% | +$36.1K | ﹤0.01% | 3851 |
|
|
2025
Q3 | $985K | Buy |
127,758
+11,216
| +10% | +$65.8K | ﹤0.01% | 3790 |
|
|
2025
Q2 | $623K | Buy |
116,542
+3,469
| +3% | +$20.9K | ﹤0.01% | 3871 |
|
|
2025
Q1 | $848K | Buy |
113,073
+1,537
| +1% | +$15.3K | ﹤0.01% | 3764 |
|
|
2024
Q4 | $1.61M | Hold |
111,536
| – | – | ﹤0.01% | 3630 |
|
|
2024
Q3 | $948K | Hold |
111,536
| – | – | ﹤0.01% | 3790 |
|
|
2024
Q2 | $931K | Hold |
111,536
| – | – | ﹤0.01% | 3808 |
|
|
2024
Q1 | $1.08M | Buy |
111,536
+1,420
| +1% | +$15.1K | ﹤0.01% | 3790 |
|
|
2023
Q4 | $1.22M | Buy |
110,116
+2,634
| +2% | +$27.5K | ﹤0.01% | 3764 |
|
|
2023
Q3 | $1.17M | Buy |
107,482
+709
| +0.7% | +$8.2K | ﹤0.01% | 3774 |
|
|
2023
Q2 | $1.4M | Hold |
106,773
| – | – | ﹤0.01% | 3792 |
|
|
2023
Q1 | $852K | Hold |
106,773
| – | – | ﹤0.01% | 3975 |
|
|
2022
Q4 | $572K | Sell |
106,773
-279
| -0.3% | -$1.94K | ﹤0.01% | 4064 |
|
|
2022
Q3 | $982K | Sell |
107,052
-386
| -0.4% | -$4.12K | ﹤0.01% | 4007 |
|
|
2022
Q2 | $1.3M | Sell |
107,438
-230
| -0.2% | -$2.96K | ﹤0.01% | 3997 |
|
|
2022
Q1 | $1.75M | Hold |
107,668
| – | – | ﹤0.01% | 4009 |
|
|
2021
Q4 | $1.49M | Sell |
107,668
-630
| -0.6% | -$10.4K | ﹤0.01% | 4142 |
|
|
2021
Q3 | $2.17M | Hold |
108,298
| – | – | ﹤0.01% | 4036 |
|
|
2021
Q2 | $5.2M | Buy |
108,298
+677
| +0.6% | +$32K | ﹤0.01% | 3582 |
|
|
2021
Q1 | $6.11M | Buy |
107,621
+25,739
| +31% | +$1.13M | ﹤0.01% | 3423 |
|
|
2020
Q4 | $2.4M | Buy |
81,882
+11,520
| +16% | +$300K | ﹤0.01% | 3617 |
|
|
2020
Q3 | $1.59M | Buy |
70,362
+11,186
| +19% | +$257K | ﹤0.01% | 3550 |
|
|
2020
Q2 | $1.23M | Sell |
59,176
-585
| -1% | -$5.56K | ﹤0.01% | 3560 |
|
|
2020
Q1 | $431K | Sell |
59,761
-10
| -0% | -$82 | ﹤0.01% | 3702 |
|
|
2019
Q4 | $456K | Hold |
59,771
| – | – | ﹤0.01% | 3815 |
|
|
2019
Q3 | $717K | Buy |
59,771
+1,788
| +3% | +$22.2K | ﹤0.01% | 3733 |
|
|
2019
Q2 | $667K | Buy |
57,983
+22,220
| +62% | +$204K | ﹤0.01% | 3775 |
|
|
2019
Q1 | $321K | Buy |
35,763
+70
| +0.2% | +$768 | ﹤0.01% | 3839 |
|
|
2018
Q4 | $364K | Sell |
35,693
-43,739
| -55% | -$624K | ﹤0.01% | 3793 |
|
|
2018
Q3 | $1.27M | Buy |
79,432
+6,483
| +9% | +$126K | ﹤0.01% | 3660 |
|
|
2018
Q2 | $1.46M | Buy |
72,949
+6,311
| +9% | +$123K | ﹤0.01% | 3585 |
|
|
2018
Q1 | $1.35M | Buy |
66,638
+4,888
| +8% | +$119K | ﹤0.01% | 3572 |
|
|
2017
Q4 | $2.22M | Buy |
61,750
+26,994
| +78% | +$881K | ﹤0.01% | 3390 |
|
|
2017
Q3 | $1.23M | Buy |
34,756
+1,065
| +3% | +$35.4K | ﹤0.01% | 3537 |
|
|
2017
Q2 | $1.28M | Buy |
33,691
+719
| +2% | +$26.4K | ﹤0.01% | 3516 |
|
|
2017
Q1 | $1.29M | Buy |
32,972
+1,046
| +3% | +$37.8K | ﹤0.01% | 3519 |
|
|
2016
Q4 | $1.09M | Sell |
31,926
-2,851
| -8% | -$132K | ﹤0.01% | 3530 |
|
|
2016
Q3 | $2.09M | Buy |
34,777
+1,217
| +4% | +$60.5K | ﹤0.01% | 3379 |
|
|
2016
Q2 | $1.68M | Buy |
33,560
+573
| +2% | +$25.2K | ﹤0.01% | 3432 |
|
|
2016
Q1 | $1.32M | Buy |
32,987
+972
| +3% | +$35.9K | ﹤0.01% | 3517 |
|
|
2015
Q4 | $1.55M | Buy |
32,015
+830
| +3% | +$44K | ﹤0.01% | 3491 |
|
|
2015
Q3 | $1.93M | Buy |
31,185
+988
| +3% | +$49.7K | ﹤0.01% | 3394 |
|
|
2015
Q2 | $1.63M | Buy |
30,197
+1,267
| +4% | +$68.2K | ﹤0.01% | 3496 |
|
|
2015
Q1 | $1.53M | Buy |
28,930
+7,230
| +33% | +$450K | ﹤0.01% | 3504 |
|
|
2014
Q4 | $1.59M | Buy |
21,700
+320
| +1% | +$21.5K | ﹤0.01% | 3363 |
|
|
2014
Q3 | $1.43M | Buy |
21,380
+907
| +4% | +$69.5K | ﹤0.01% | 3397 |
|
|
2014
Q2 | $1.88M | Buy |
20,473
+375
| +2% | +$34.8K | ﹤0.01% | 3282 |
|
|
2014
Q1 | $2.19M | Buy |
20,098
+4,927
| +32% | +$504K | ﹤0.01% | 3180 |
|
|
2013
Q4 | $1.74M | Buy |
15,171
+1,650
| +12% | +$126K | ﹤0.01% | 3243 |
|
|
2013
Q3 | $940K | Buy |
13,521
+403
| +3% | +$33.6K | ﹤0.01% | 3387 |
|
|
2013
Q2 | $1.14M | Buy |
+13,118
| New | +$1.1M | ﹤0.01% | 3267 |
|
Other funds holding CLIR
SQA
DP
Vanguard Group's CLIR Position: Q4 2025 in Review
Vanguard Group increased its ClearSign Technologies (CLIR) stake by 3.6% in Q4 2025, buying an estimated $36.1K and bringing the position to 132,298 shares worth $736K. The position accounts for ﹤0.01% of the portfolio, ranked #3851.
Vanguard Group first reported a position in CLIR in Q2 2013 and has held it in 51 quarters since. The position peaked at $6.11M in Q1 2021. 37 funds tracked by Wall St. Rank hold CLIR as of Q4 2025.
- Vanguard Group held 132,298 shares of ClearSign Technologies worth $736K as of Q4 2025.
- Vanguard Group bought 4,540 ClearSign Technologies shares in Q4 2025, an estimated $36.1K.
- ClearSign Technologies made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3851 holding.
- Vanguard Group first reported a position in ClearSign Technologies in Q2 2013 and has held it in 51 quarters since.
- Vanguard Group's ClearSign Technologies position peaked at $6.11M in Q1 2021.
- 37 funds tracked by Wall St. Rank held ClearSign Technologies as of Q4 2025.
Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.