TESCO PLC-SPONSORED ADR (TSCDY) Institutional Shareholders
TESCO PLC-SPONSORED ADR (TSCDY) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $8.55M in TSCDY holdings during the latest filing period.
Great Lakes Advisors, Llc is currently the largest disclosed institutional shareholder of TSCDY tracked by InsiderSet, reporting ownership valued at approximately $3.63M in its June 30, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 99% of the total disclosed TSCDY value among the investors covered in this analysis. Major shareholders include Great Lakes Advisors, Llc, Ativo Capital Management Llc, Rhumbline Advisers, and several other long-term asset managers with concentrated positions in TESCO PLC-SPONSORED ADR (TSCDY).
This page ranks the largest institutional TSCDY shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
14
Total Reported Value
$8.55M
Largest Holder
Great Lakes Advisors, Llc
Largest Position
$3.63M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
19
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Great Lakes Advisors, Llc | 0.03% | 197,487 | $3,629,820 | — | — | — | |
| Ativo Capital Management Llc | 1.25% | 88,537 | $1,627,302 | — | — | — | |
| Rhumbline Advisers | 0.00% | 60,844 | $1,118,316 | — | — | — | |
| Calydon Capital | 0.10% | 35,700 | $656,166 | — | — | — | |
| Chicago Trust Co Na | 0.07% | 26,684 | $487,355 | — | — | — | |
| Gamma Investing Llc | 0.01% | 19,611 | $360,450 | — | — | — | |
| Sterling Capital Management Llc | 0.00% | 12,270 | $224,102 | — | — | — | |
| Atlas Capital Advisors Inc. | 0.02% | 10,945 | $201,169 | — | — | — | |
| Hantz Financial Services, Inc. | 0.00% | 6,950 | $128,000 | — | — | — | |
| Pnc Financial Services Group, Inc. | 0.00% | 3,723 | $68,429 | — | — | — | |
| First Command Advisory Services, Inc. | 0.00% | 1,556 | $28,839 | — | — | — | |
| Salomon & Ludwin, Llc | 0.00% | 795 | $14,668 | — | — | — | |
| Ima Advisory Services, Inc. | 0.00% | 216 | $4,017 | — | — | — | |
| Gleason Group, Inc. | 0.00% | 167 | $3,050 | — | — | — |
Frequently asked questions about TSCDY
Who owns the most TSCDY stock?
The largest holders of TSCDY are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for TESCO PLC-SPONSORED ADR (TSCDY).
Is TSCDY widely held by superinvestors?
Many widely followed stocks like TSCDY appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TSCDY is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.