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John Overdeck’s Dawson Geophysical DWSN Stock Holding History

John Overdeck’s Portfolio DWSN Stock Details DWSN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$202K Sell
34,016
-600
-2% -$2.26K ﹤0.01% 4781
2026
Q1 		$120K Sell
34,616
-2,800
-7% -$7.75K ﹤0.01% 4367
2025
Q4 		$58.4K Buy
37,416
+7,991
+27% +$15.1K ﹤0.01% 3920
2025
Q3 		$51.8K Buy
+29,425
New +$44.7K ﹤0.01% 3541
2019
Q1 		– Sell
-10,361
Closed -$35K – 3124
2018
Q4 		$35K Buy
+10,361
New +$49.2K ﹤0.01% 2876
2018
Q3 		– Sell
-16,709
Closed -$132K – 3264
2018
Q2 		$132K Buy
16,709
+5,697
+52% +$40.3K ﹤0.01% 3185
2018
Q1 		$71K Sell
11,012
-1,681
-13% -$9.85K ﹤0.01% 3058
2017
Q4 		$60K Sell
12,693
-3,435
-21% -$16K ﹤0.01% 3024
2017
Q3 		$70K Sell
16,128
-22,532
-58% -$87.7K ﹤0.01% 2664
2017
Q2 		$144K Buy
+38,660
New +$169K ﹤0.01% 2838
2017
Q1 		– Sell
-50,396
Closed -$386K – 2990
2016
Q4 		$386K Buy
50,396
+2,503
+5% +$18K ﹤0.01% 2638
2016
Q3 		$348K Buy
+47,893
New +$341K ﹤0.01% 2658
2015
Q2 		– Sell
-68,211
Closed -$277K – 2857
2015
Q1 		$277K Buy
68,211
+64,168
+1,587% +$347K ﹤0.01% 2315
2014
Q4 		$25K Sell
4,043
-1,365
-25% -$11.2K ﹤0.01% 2180
2014
Q3 		$59K Buy
+5,408
New +$64.8K ﹤0.01% 1688
2014
Q2 		– Sell
-4,358
Closed -$74K – 2184
2014
Q1 		$74K Sell
4,358
-8,709
-67% -$168K ﹤0.01% 1903
2013
Q4 		$273K Buy
13,067
+3,387
+35% +$70.5K ﹤0.01% 1916
2013
Q3 		$219K Sell
9,680
-3,498
-27% -$85.1K ﹤0.01% 1606
2013
Q2 		$310K Buy
+13,178
New +$328K ﹤0.01% 1615

Other funds holding DWSN

GWI
Grace & White Inc Ny, New York $632M AUM 34.34% 1-Year Est. Return
RC
RBF Capital San Francisco, California $2.41B AUM 39.41% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GF
Gabelli Funds Rye, New York $15.7B AUM 36.4% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
HIM
Hillsdale Investment Management Toronto, Ontario, Canada $4.39B AUM 72.96% 1-Year Est. Return
US Bancorp
US Bancorp Minneapolis, Minnesota $91.6B AUM 29.2% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
PA
Pinnacle Associates New York $9.16B AUM 63.5% 1-Year Est. Return

John Overdeck's DWSN Position: Q2 2026 in Review

John Overdeck reduced its Dawson Geophysical (DWSN) stake by 1.7% in Q2 2026, selling an estimated $2.26K and leaving 34,016 shares worth $202K. The position accounts for ﹤0.01% of the portfolio, ranked #4781.

John Overdeck first reported a position in DWSN in Q2 2013 and has held it in 19 quarters since. The position peaked at $386K in Q4 2016. 40 funds tracked by Wall St. Rank hold DWSN as of Q2 2026.

  • John Overdeck held 34,016 shares of Dawson Geophysical worth $202K as of Q2 2026.
  • John Overdeck sold 600 Dawson Geophysical shares in Q2 2026, an estimated $2.26K.
  • Dawson Geophysical made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4781 holding.
  • John Overdeck first reported a position in Dawson Geophysical in Q2 2013 and has held it in 19 quarters since.
  • John Overdeck's Dawson Geophysical position peaked at $386K in Q4 2016.
  • 40 funds tracked by Wall St. Rank held Dawson Geophysical as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.