Ticker · CUSIP 023139884
Holders (tracked)
13
Combined shares
2,533,506
Combined value
$19.71M
Last close
$4.85
Quarter
2025Q4
Price · 1Y$4.85-2.46 (-33.65%)H $10.08 · L $3.94 · Avg Vol 821K
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
Price is -37.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
18 events
- Ken Griffin (Citadel Advisors) added2026-02-17+115,740 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−74,599 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+45,044 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−397,613 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+103,544 shares · 2025Q4Position
- +94,000 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−12,434 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−64,042 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+75,000 shares · 2025Q4Position
- −305,702 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−216,922 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−295,146 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+18,736 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+31,262 shares · 2025Q3Position
- Two Sigma Investments exited2025-11-14−43,923 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−75,000 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−96,900 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−78,400 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of OSG…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2016Q1 | $7.81 | -37.9% | $422K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $7.81 | -37.9% | $422K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $7.81 | -37.9% | $422K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $8.55 | -43.3% | $1.5M |
| Steve Cohen (Point72) | 2020Q4 | $8.56 | -43.3% | $502K |
| AQR Capital Management | 2016Q1 | $9.47 | -48.8% | $340K |
| Renaissance Technologies | 2016Q1 | $11.34 | -57.2% | $122K |
| Paul Tudor Jones (Tudor Investment) | 2016Q4 | $11.44 | -57.6% | $235K |
| Paul Tudor Jones (Tudor Investment) | 2016Q4 | $11.44 | -57.6% | $235K |
| Two Sigma Investments | 2016Q4 | $12.34 | -60.7% | $218K |
| T. Rowe Price | 2016Q1 | $12.97 | -62.6% | $344K |
| Norges Bank (Norway SWF) | 2016Q4 | $13.80 | -64.8% | $364K |
| D.E. Shaw & Co. | 2016Q4 | $13.99 | -65.3% | $214K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions4
- Steve Cohen (Point72)+103,544$806K
- Paul Tudor Jones (Tudor Investment)+94,000$731K
- Norges Bank (Norway SWF)+75,000$584K
- Two Sigma Investments+45,044$350K
Added to1
- Ken Griffin (Citadel Advisors)+115,740$900K
Trimmed4
- Izzy Englander (Millennium Mgmt)−397,613$3.1M
- D.E. Shaw & Co.−74,599$580K
- Renaissance Technologies−64,042$498K
- AQR Capital Management−12,434$97K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $1.39B |
| 2022Q2 | 9 | $82.9M |
| 2022Q3 | 9 | $95.6M |
| 2022Q4 | 12 | $152.9M |
| 2023Q1 | 12 | $132.0M |
| 2023Q2 | 11 | $120.4M |
| 2023Q3 | 10 | $100.5M |
| 2023Q4 | 9 | $143.6M |
| 2024Q1 | 10 | $131.0M |
| 2024Q2 | 11 | $119.2M |
| 2024Q3 | 11 | $32.8M |
| 2024Q4 | 12 | $27.1M |
| 2025Q1 | 10 | $26.6M |
| 2025Q2 | 11 | $24.2M |
| 2025Q3 | 8 | $19.7M |
| 2025Q4 | 13 | $19.7M |
Who owns OSG
13 super-investors · 2025Q4
Tracked stake
2.53M
shares
Combined value
$20M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added3Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 1.33M | $10M |
| 2 | Izzy Englander Millennium Mgmt | 303.3K | $2M |
| 3 | Ken Griffin Citadel Advisors | 287.3K | $2M |
| 4 | Steve Cohen Point72 | 103.5K | $806K |
| 5 | Ken Griffin Citadel Advisors | 87.0K | $677K |
| 6 | Norges Bank Norway SWF | 75.0K | $584K |
| 7 | T. Rowe Price | 70.9K | $552K |
| 8 | AQR Capital Management | 70.1K | $546K |
| 9 | Paul Tudor Jones Tudor Investment | 48.5K | $377K |
| 10 | Paul Tudor Jones Tudor Investment | 45.5K | $354K |
| 11 | Two Sigma Investments | 45.0K | $350K |
| 12 | D.E. Shaw & Co. | 44.1K | $343K |
| 13 | Renaissance Technologies | 25.2K | $196K |
Recent moves
20 transactions
- +45,044 · 2025Q4
- TRIMD.E. Shaw & Co.−74,599 · 2025Q4
- −12,434 · 2025Q4
- +103,544 · 2025Q4
- −397,613 · 2025Q4
- +115,740 · 2025Q4
- +94,000 · 2025Q4
- −64,042 · 2025Q4
- +75,000 · 2025Q4
- −305,702 · 2025Q3
- TRIMD.E. Shaw & Co.−216,922 · 2025Q3
- −43,923 · 2025Q3
- +18,736 · 2025Q3
- −295,146 · 2025Q3
- +31,262 · 2025Q3
- −75,000 · 2025Q3
- −96,900 · 2025Q3
- −78,400 · 2024Q3
- −33,100 · 2025Q2
- +487,355 · 2025Q2
Embed this chart
Paste this iframe anywhere to embed the live OSG chart.
<iframe src="https://openstocks.me/embed/stocks/OSG" width="100%" height="480" frameborder="0" loading="lazy" title="OSG chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Explore related topics
- OSG insider tradingEvery Form 4 filing by OSG officers, directors, and 10%+ holders.
- OSG analyst target pricesWall Street consensus target, analyst-by-analyst breakdown, and revision history.
- Most popular hedge-fund stocksSee where this ticker ranks against the broader smart-money consensus.
- All insider tradingCross-ticker view of where corporate insiders are buying on the open market.
- Congress stock tradesReal-time PTR disclosures filed under the STOCK Act.
- Smart-money signalsComposite signals where institutional, insider and Congress flows converge.