Millennium Management’s Gibraltar Industries ROCK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-49,445
| Closed | -$2.44M | – | 6287 |
|
|
2025
Q4 | $2.44M | Buy |
49,445
+37,738
| +322% | +$2.16M | ﹤0.01% | 3764 |
|
|
2025
Q3 | $735K | Sell |
11,707
-93,006
| -89% | -$5.82M | ﹤0.01% | 4842 |
|
|
2025
Q2 | $6.18M | Buy |
104,713
+54,677
| +109% | +$3.13M | ﹤0.01% | 2775 |
|
|
2025
Q1 | $2.94M | Sell |
50,036
-101,822
| -67% | -$6.33M | ﹤0.01% | 3418 |
|
|
2024
Q4 | $8.94M | Buy |
151,858
+13,284
| +10% | +$906K | ﹤0.01% | 2290 |
|
|
2024
Q3 | $9.69M | Buy |
138,574
+15,136
| +12% | +$1.06M | ﹤0.01% | 2213 |
|
|
2024
Q2 | $8.46M | Buy |
123,438
+81,791
| +196% | +$5.95M | ﹤0.01% | 2239 |
|
|
2024
Q1 | $3.35M | Sell |
41,647
-133,525
| -76% | -$10.6M | ﹤0.01% | 3273 |
|
|
2023
Q4 | $13.8M | Sell |
175,172
-83,377
| -32% | -$5.7M | 0.01% | 1895 |
|
|
2023
Q3 | $17.5M | Buy |
258,549
+111,120
| +75% | +$7.6M | 0.01% | 1541 |
|
|
2023
Q2 | $9.28M | Buy |
147,429
+123,174
| +508% | +$6.66M | ﹤0.01% | 2097 |
|
|
2023
Q1 | $1.18M | Buy |
24,255
+9,600
| +66% | +$491K | ﹤0.01% | 3939 |
|
|
2022
Q4 | $672K | Sell |
14,655
-190,547
| -93% | -$9.14M | ﹤0.01% | 4518 |
|
|
2022
Q3 | $8.4M | Sell |
205,202
-87,173
| -30% | -$3.72M | 0.01% | 2366 |
|
|
2022
Q2 | $11.3M | Sell |
292,375
-61,381
| -17% | -$2.5M | 0.01% | 1901 |
|
|
2022
Q1 | $15.2M | Buy |
353,756
+316,488
| +849% | +$16.7M | 0.01% | 1669 |
|
|
2021
Q4 | $2.48M | Sell |
37,268
-62,133
| -63% | -$4.44M | ﹤0.01% | 3566 |
|
|
2021
Q3 | $6.92M | Buy |
99,401
+66,343
| +201% | +$4.77M | ﹤0.01% | 2508 |
|
|
2021
Q2 | $2.52M | Buy |
33,058
+13,632
| +70% | +$1.13M | ﹤0.01% | 3664 |
|
|
2021
Q1 | $1.78M | Buy |
+19,426
| New | +$1.78M | ﹤0.01% | 3648 |
|
|
2020
Q2 | – | Sell |
-134,277
| Closed | -$5.76M | – | 4535 |
|
|
2020
Q1 | $5.76M | Sell |
134,277
-315,495
| -70% | -$15.8M | 0.01% | 1227 |
|
|
2019
Q4 | $22.7M | Buy |
449,772
+58,164
| +15% | +$2.92M | 0.03% | 769 |
|
|
2019
Q3 | $18M | Buy |
391,608
+363,491
| +1,293% | +$15.2M | 0.03% | 851 |
|
|
2019
Q2 | $1.14M | Buy |
+28,117
| New | +$1.09M | ﹤0.01% | 2728 |
|
|
2018
Q2 | – | Sell |
-283,956
| Closed | -$9.61M | – | 4121 |
|
|
2018
Q1 | $9.61M | Sell |
283,956
-184,908
| -39% | -$6.42M | 0.01% | 1355 |
|
|
2017
Q4 | $15.5M | Buy |
468,864
+163,762
| +54% | +$5.23M | 0.02% | 1055 |
|
|
2017
Q3 | $9.5M | Buy |
305,102
+284,304
| +1,367% | +$8.58M | 0.01% | 1286 |
|
|
2017
Q2 | $741K | Buy |
20,798
+8,227
| +65% | +$290K | ﹤0.01% | 2606 |
|
|
2017
Q1 | $518K | Sell |
12,571
-114,143
| -90% | -$4.78M | ﹤0.01% | 2798 |
|
|
2016
Q4 | $5.28M | Buy |
126,714
+68,770
| +119% | +$2.84M | 0.01% | 1295 |
|
|
2016
Q3 | $2.15M | Sell |
57,944
-76,779
| -57% | -$2.81M | ﹤0.01% | 1894 |
|
|
2016
Q2 | $4.25M | Sell |
134,723
-62,759
| -32% | -$1.81M | 0.01% | 1354 |
|
|
2016
Q1 | $5.65M | Sell |
197,482
-157,617
| -44% | -$3.67M | 0.01% | 1176 |
|
|
2015
Q4 | $9.03M | Buy |
355,099
+168,809
| +91% | +$4.05M | 0.02% | 975 |
|
|
2015
Q3 | $3.42M | Buy |
186,290
+128,950
| +225% | +$2.36M | 0.01% | 1562 |
|
|
2015
Q2 | $1.17M | Buy |
57,340
+26,326
| +85% | +$478K | ﹤0.01% | 2204 |
|
|
2015
Q1 | $509K | Buy |
31,014
+9,853
| +47% | +$152K | ﹤0.01% | 2747 |
|
|
2014
Q4 | $344K | Buy |
21,161
+4,597
| +28% | +$68K | ﹤0.01% | 3259 |
|
|
2014
Q3 | $227K | Buy |
+16,564
| New | +$254K | ﹤0.01% | 3316 |
|
|
2014
Q2 | – | Sell |
-11,317
| Closed | -$214K | – | 3795 |
|
|
2014
Q1 | $214K | Sell |
11,317
-938
| -8% | -$17K | ﹤0.01% | 3162 |
|
|
2013
Q4 | $228K | Sell |
12,255
-9,261
| -43% | -$152K | ﹤0.01% | 3209 |
|
|
2013
Q3 | $307K | Buy |
21,516
+11,233
| +109% | +$161K | ﹤0.01% | 2856 |
|
|
2013
Q2 | $150K | Buy |
+10,283
| New | +$174K | ﹤0.01% | 2820 |
|
Other funds holding ROCK
VPM
VCM
Millennium Management's ROCK Position: Q1 2026 in Review
Millennium Management sold out of Gibraltar Industries (ROCK) in Q1 2026, closing a stake of 49,445 shares — an estimated $2.44M sold.
Millennium Management first reported a position in ROCK in Q2 2013 and held it in 43 quarters. The position peaked at $22.7M in Q4 2019. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.
- Millennium Management reported no remaining Gibraltar Industries position as of Q1 2026 after selling out during the quarter.
- Millennium Management sold 49,445 Gibraltar Industries shares in Q1 2026, an estimated $2.44M.
- Millennium Management first reported a position in Gibraltar Industries in Q2 2013 and held it in 43 quarters.
- Millennium Management's Gibraltar Industries position peaked at $22.7M in Q4 2019.
- 228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.
Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.