TNK at a glance
TEEKAY TANKERS LTD. (TNK, SEC CIK 1419945) filed Form 4 insider filings as recently as September 16, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- As of June 30, 2026, 28 institutional investment managers tracked by SignalX reported holding TEEKAY TANKERS LTD. (TNK) shares worth $636.4 million in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Schellenberg David on September 16, 2026 of 7,344 shares at $100.00 per share.
- In the last 90 days, TNK insiders reported 0 open-market purchases ($0) and 4 open-market sales ($1.4M) on Form 4, a net sale of $1.4M.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Insiders · 90 days
- 0 buys · 4 sells
- Net −$1.4M
- 13F holders
- 28 funds
- $636.4M · +0 vs prior quarter
SignalX for TNK
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Schellenberg David | Sell | Sep 16, 2026 | 7,344 | $100.00 |
| Schellenberg David | Sell | Sep 15, 2026 | 101 | $100.00 |
| Kapoor Rohit (RK2) | A | Aug 21, 2026 | 78.808 | - |
| Schellenberg David | A | Aug 21, 2026 | 23.696 | - |
| Speers Brody | A | Aug 21, 2026 | 93.423 | - |
| Seidelin Mikkel | A | Aug 21, 2026 | 99.642 | - |
| Hvid Kenneth | A | Aug 21, 2026 | 388.272 | - |
| Antturi Peter | A | Aug 21, 2026 | 17.349 | - |
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate TNK share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 28 | $636.4M |
| Q1 2026 | 28 | $674.2M |
| Q4 2025 | 26 | $481.9M |
| Q3 2025 | 26 | $567.2M |
| Q2 2025 | 26 | $425.2M |
| Q1 2025 | 24 | $302.6M |
| Q4 2024 | 20 | $259.5M |
- Two Sigma Investments+222.9K (+232%)
- FMR LLC (Fidelity)+168.2K (+10%)
- BlackRock+152.1K (+10%)
- Morgan Stanley+92.8K (+15%)
- Citadel Advisors LLC+79.9K (+31%)
- Renaissance Technologies LLC−132.1K (-24%)
- Ameriprise Financial−73.2K (-21%)
- JPMorgan Chase & Co−25.1K (-7%)
- Invesco Ltd−21.5K (-30%)
- Millennium Management−13.4K (-16%)
- Marex Group plc+3.9K
- Mangrove Partners−2.8K
Source: 13F-HR filings on SEC EDGAR (aggregated from 178 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
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TNK SEC filings: frequently asked questions
Are TNK insiders buying or selling?
In the last 90 days, TEEKAY TANKERS LTD. (TNK) officers, directors and 10% owners reported no open-market purchases and 4 open-market sales worth $1.4 million by 3 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold TNK stock?
As of June 30, 2026, the largest TEEKAY TANKERS LTD. (TNK) holders among the 13F filers tracked by SignalX were Dimensional Fund Advisors ($124.6 million), FMR LLC (Fidelity) ($118.4 million), BlackRock ($108.0 million), Morgan Stanley ($45.9 million), Renaissance Technologies LLC ($27.6 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What are the latest TNK SEC filings?
TEEKAY TANKERS LTD. (TNK) filed a Form 4 insider filing on September 16, 2026.
What is TNK's SEC CIK number?
TEEKAY TANKERS LTD. (TNK)'s SEC Central Index Key (CIK) is 1419945. EDGAR lists every TNK filing under that number.
Ask anything about TNK
The research agent reads TNK's filings, financials, insider trades and 13F holders, then answers with sources.