There is a long list of 112 institutional holders of DRLL within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of DRLL by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-DRLL table below, the initial column indicates the name of each top institutional holder of DRLL, with a link to that fund's top holdings. The next columns indicate the amount of DRLL stock held by each of the institutional holders of DRLL, followed by the DRLL position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Raymond James Financial Services Advisors Inc.	110,675	$3,465	03/31/2024
DRLL	110,675	$3,465	03/31/2024
Stifel Financial Corp	111,942	$3,140	12/31/2023
DRLL	111,942	$3,140	12/31/2023
Cetera Advisor Networks LLC	105,169	$2,950	12/31/2023
DRLL	105,169	$2,950	12/31/2023
Visionary Wealth Advisors	90,517	$2,539	12/31/2023
DRLL	90,517	$2,539	12/31/2023
Royal Bank of Canada	88,179	$2,474	12/31/2023
DRLL	88,179	$2,474	12/31/2023
Financial Management Network Inc.	67,454	$2,168	03/31/2024
DRLL	67,454	$2,168	03/31/2024
Cambridge Investment Research Advisors Inc.	62,546	$1,958	03/31/2024
DRLL	62,546	$1,958	03/31/2024
LPL Financial LLC	68,408	$1,919	12/31/2023
DRLL	68,408	$1,919	12/31/2023
Ethos Financial Group LLC	47,770	$1,340	12/31/2023
DRLL	47,770	$1,340	12/31/2023
Commonwealth Equity Services LLC	45,578	$1,278	12/31/2023
DRLL	45,578	$1,278	12/31/2023
Raymond James & Associates	39,270	$1,230	03/31/2024
DRLL	39,270	$1,230	03/31/2024
US Bancorp DE	40,372	$1,132	12/31/2023
DRLL	40,372	$1,132	12/31/2023
UBS Group AG	36,979	$1,037	12/31/2023
DRLL	36,979	$1,037	12/31/2023
Citadel Advisors LLC		$1,027	12/31/2023
DRLL	33,291	$934	12/31/2023
Call	3,800	$107	12/31/2023
Put	500	$14	12/31/2023
Advisor Group Holdings Inc.	32,523	$913	12/31/2023
DRLL	32,523	$913	12/31/2023
Susquehanna International Group LLP	28,533	$800	12/31/2023
DRLL	28,533	$800	12/31/2023
Bank of America Corp DE	28,321	$794	12/31/2023
DRLL	28,321	$794	12/31/2023
Kestra Advisory Services LLC	25,501	$715	12/31/2023
DRLL	25,501	$715	12/31/2023
Scissortail Wealth Management LLC	23,900	$672	12/31/2023
DRLL	23,900	$672	12/31/2023
Fifth Third Bancorp	20,316	$636	03/31/2024
DRLL	20,316	$636	03/31/2024
Envestnet Asset Management Inc.	19,658	$551	12/31/2023
DRLL	19,658	$551	12/31/2023
CIBC Private Wealth Group LLC	17,133	$481	12/31/2023
DRLL	17,133	$481	12/31/2023
Vigilare Wealth Management	13,250	$415	03/31/2024
DRLL	13,250	$415	03/31/2024
HighTower Advisors LLC	13,854	$388	12/31/2023
DRLL	13,854	$388	12/31/2023
Mariner LLC	13,574	$381	12/31/2023
DRLL	13,574	$381	12/31/2023
Brookstone Capital Management	11,525	$361	03/31/2024
DRLL	11,525	$361	03/31/2024
Advance Capital Management Inc.	11,316	$354	03/31/2024
DRLL	11,316	$354	03/31/2024
Rockefeller Capital Management L.P.	12,465	$350	12/31/2023
DRLL	12,465	$350	12/31/2023
Avantax Advisory Services Inc.	11,967	$336	12/31/2023
DRLL	11,967	$336	12/31/2023
Focus Financial Network Inc.	9,903	$308	03/31/2024
DRLL	9,903	$308	03/31/2024
GTS Securities LLC	10,945	$307	12/31/2023
DRLL	10,945	$307	12/31/2023
Covey Capital Advisors LLC	10,000	$280	12/31/2023
DRLL	10,000	$280	12/31/2023
MML Investors Services LLC	9,736	$273	12/31/2023
DRLL	9,736	$273	12/31/2023
Holistic Planning LLC	9,597	$269	12/31/2023
DRLL	9,597	$269	12/31/2023
King Luther Capital Management Corp	9,500	$266	12/31/2023
DRLL	9,500	$266	12/31/2023
Focus Financial Network Inc. ADV	9,225	$259	12/31/2023
DRLL	9,225	$259	12/31/2023
Wealth Enhancement Advisory Services LLC	7,030	$220	03/31/2024
DRLL	7,030	$220	03/31/2024
AE Wealth Management LLC	7,789	$219	12/31/2023
DRLL	7,789	$219	12/31/2023
HB Wealth Management LLC	7,432	$208	12/31/2023
DRLL	7,432	$208	12/31/2023
Capital Performance Advisors LLP	6,462	$202	03/31/2024
DRLL	6,462	$202	03/31/2024
Mercer Global Advisors Inc. ADV	7,173	$201	12/31/2023
DRLL	7,173	$201	12/31/2023
Steward Partners Investment Advisory LLC	6,426	$180	12/31/2023
DRLL	6,426	$180	12/31/2023
Pacific Capital Wealth Advisors Inc.	6,115	$172	12/31/2023
DRLL	6,115	$172	12/31/2023
Rain Capital Management LLC	6,065	$170	12/31/2023
DRLL	6,065	$170	12/31/2023
Parallel Advisors LLC	4,178	$117	12/31/2023
DRLL	4,178	$117	12/31/2023
Advisory Services Network LLC	3,858	$108	12/31/2023
DRLL	3,858	$108	12/31/2023
The PNC Financial Services Group Inc.	3,753	$105	12/31/2023
DRLL	3,753	$105	12/31/2023
Indiana Trust & Investment Management CO	3,330	$104	03/31/2024
DRLL	3,330	$104	03/31/2024
Morgan Stanley	3,423	$96	12/31/2023
DRLL	3,423	$96	12/31/2023
Nelson Van Denburg & Campbell Wealth Management Group LLC	3,433	$96	12/31/2023
DRLL	3,433	$96	12/31/2023