John Overdeck’s Graham Corp GHM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $9.56M | Buy |
77,263
+69,534
| +900% | +$6.9M | 0.01% | 1550 |
|
|
2026
Q1 | $610K | Buy |
+7,729
| New | +$606K | ﹤0.01% | 3600 |
|
|
2025
Q4 | – | Sell |
-5,467
| Closed | -$300K | – | 4189 |
|
|
2025
Q3 | $300K | Buy |
5,467
+700
| +15% | +$35.8K | ﹤0.01% | 3213 |
|
|
2025
Q2 | $236K | Buy |
+4,767
| New | +$177K | ﹤0.01% | 2868 |
|
|
2025
Q1 | – | Sell |
-6,273
| Closed | -$279K | – | 3301 |
|
|
2024
Q4 | $279K | Buy |
+6,273
| New | +$235K | ﹤0.01% | 2757 |
|
|
2021
Q2 | – | Sell |
-14,180
| Closed | -$202K | – | 4233 |
|
|
2021
Q1 | $202K | Buy |
+14,180
| New | +$221K | ﹤0.01% | 3625 |
|
|
2020
Q3 | – | Sell |
-15,486
| Closed | -$197K | – | 3251 |
|
|
2020
Q2 | $197K | Buy |
+15,486
| New | +$189K | ﹤0.01% | 2642 |
|
|
2020
Q1 | – | Sell |
-35,143
| Closed | -$769K | – | 3368 |
|
|
2019
Q4 | $769K | Sell |
35,143
-4,300
| -11% | -$92.8K | ﹤0.01% | 2430 |
|
|
2019
Q3 | $783K | Buy |
+39,443
| New | +$772K | ﹤0.01% | 2190 |
|
|
2018
Q3 | – | Sell |
-13,420
| Closed | -$346K | – | 3320 |
|
|
2018
Q2 | $346K | Sell |
13,420
-1,077
| -7% | -$25.8K | ﹤0.01% | 2865 |
|
|
2018
Q1 | $311K | Sell |
14,497
-6,200
| -30% | -$133K | ﹤0.01% | 2757 |
|
|
2017
Q4 | $433K | Sell |
20,697
-17,306
| -46% | -$350K | ﹤0.01% | 2535 |
|
|
2017
Q3 | $792K | Sell |
38,003
-2,798
| -7% | -$55.8K | ﹤0.01% | 1872 |
|
|
2017
Q2 | $802K | Sell |
40,801
-1,600
| -4% | -$34.2K | ﹤0.01% | 2037 |
|
|
2017
Q1 | $975K | Sell |
42,401
-300
| -0.7% | -$6.86K | ﹤0.01% | 1951 |
|
|
2016
Q4 | $946K | Buy |
42,701
+20,465
| +92% | +$419K | ﹤0.01% | 2048 |
|
|
2016
Q3 | $425K | Sell |
22,236
-602
| -3% | -$11.3K | ﹤0.01% | 2532 |
|
|
2016
Q2 | $421K | Sell |
22,838
-11,317
| -33% | -$209K | ﹤0.01% | 2352 |
|
|
2016
Q1 | $680K | Sell |
34,155
-5,757
| -14% | -$101K | ﹤0.01% | 1848 |
|
|
2015
Q4 | $671K | Sell |
39,912
-23,416
| -37% | -$410K | ﹤0.01% | 1780 |
|
|
2015
Q3 | $1.12M | Buy |
63,328
+29,219
| +86% | +$530K | 0.01% | 1133 |
|
|
2015
Q2 | $699K | Sell |
34,109
-6,507
| -16% | -$147K | ﹤0.01% | 1902 |
|
|
2015
Q1 | $974K | Buy |
40,616
+5,020
| +14% | +$119K | ﹤0.01% | 1606 |
|
|
2014
Q4 | $1.02M | Buy |
35,596
+9,767
| +38% | +$298K | 0.01% | 1367 |
|
|
2014
Q3 | $743K | Buy |
25,829
+1,124
| +5% | +$35K | ﹤0.01% | 1162 |
|
|
2014
Q2 | $860K | Sell |
24,705
-156
| -0.6% | -$4.82K | ﹤0.01% | 1388 |
|
|
2014
Q1 | $791K | Buy |
24,861
+4,440
| +22% | +$156K | ﹤0.01% | 1305 |
|
|
2013
Q4 | $741K | Buy |
20,421
+1,720
| +9% | +$63.3K | ﹤0.01% | 1478 |
|
|
2013
Q3 | $676K | Buy |
18,701
+4,885
| +35% | +$166K | ﹤0.01% | 1182 |
|
|
2013
Q2 | $415K | Buy |
+13,816
| New | +$345K | ﹤0.01% | 1498 |
|
Other funds holding GHM
BIP
RA
DCM
GI
John Overdeck's GHM Position: Q2 2026 in Review
John Overdeck increased its Graham Corp (GHM) stake by 900% in Q2 2026, buying an estimated $6.9M and bringing the position to 77,263 shares worth $9.56M. The position accounts for 0.01% of the portfolio, ranked #1550.
John Overdeck first reported a position in GHM in Q2 2013 and has held it in 30 quarters since. 220 funds tracked by Wall St. Rank hold GHM as of Q2 2026.
- John Overdeck held 77,263 shares of Graham Corp worth $9.56M as of Q2 2026.
- John Overdeck bought 69,534 Graham Corp shares in Q2 2026, an estimated $6.9M.
- Graham Corp made up 0.01% of John Overdeck's portfolio in Q2 2026, its #1550 holding.
- John Overdeck first reported a position in Graham Corp in Q2 2013 and has held it in 30 quarters since.
- 220 funds tracked by Wall St. Rank held Graham Corp as of Q2 2026.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.