Ticker · CUSIP 680277100
Holders (tracked)
9
Combined shares
2,080,891
Combined value
$39.91M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
19 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−10,275 shares · 2025Q4Position
- D.E. Shaw & Co. exited2026-02-17−12,166 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−155,192 shares · 2025Q4Position
- +313,560 shares · 2025Q4Position
- Steve Cohen (Point72) exited2026-02-17−47,672 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+2,019 shares · 2025Q4Position
- Wellington Management added2026-02-17+813,600 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−70,981 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+37,200 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09−5,220 shares · 2025Q4Position
- T. Rowe Price added2025-11-14+4,900 shares · 2025Q3Position
- Steve Cohen (Point72) added2025-11-14+28,335 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+66,340 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−2,827 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) exited2025-11-14−57,426 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−31,710 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−33,600 shares · 2025Q3Position
- Mario Gabelli (GAMCO) opened position2025-11-12+32,721 shares · 2025Q3Position
- Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12−5,518 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Izzy Englander (Millennium Mgmt)+313,560$6.1M
Added to3
- Wellington Management+813,600$15.9M
- Renaissance Technologies+37,200$725K
- T. Rowe Price+2,019$39
Trimmed4
- Two Sigma Investments−155,192$3.0M
- AQR Capital Management−70,981$1.4M
- Ken Griffin (Citadel Advisors)−10,275$200K
- Ken Fisher (Fisher Asset Mgmt)−5,220$102K
Exited2
- Steve Cohen (Point72)−47,672$824K
- D.E. Shaw & Co.−12,166$210K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $46.4M |
| 2022Q2 | 5 | $55.7M |
| 2022Q3 | 5 | $53K |
| 2022Q4 | 6 | $57.3M |
| 2023Q1 | 6 | $50.5M |
| 2023Q2 | 5 | $48.8M |
| 2023Q3 | 10 | $48.0M |
| 2023Q4 | 10 | $59.5M |
| 2024Q1 | 10 | $58.5M |
| 2024Q2 | 12 | $71.9M |
| 2024Q3 | 12 | $18.7M |
| 2024Q4 | 10 | $24.1M |
| 2025Q1 | 12 | $24.2M |
| 2025Q2 | 10 | $20.6M |
| 2025Q3 | 10 | $20.5M |
| 2025Q4 | 9 | $39.9M |
Who owns OSBC
9 super-investors · 2025Q4
Tracked stake
2.08M
shares
Combined value
$40M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added3Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 969.7K | $19M |
| 2 | AQR Capital Management | 447.1K | $9M |
| 3 | Izzy Englander Millennium Mgmt | 313.6K | $6M |
| 4 | Ken Fisher Fisher Asset Mgmt | 97.3K | $2M |
| 5 | Renaissance Technologies | 86.3K | $2M |
| 6 | Ken Griffin Citadel Advisors | 67.3K | $1M |
| 7 | Mario Gabelli GAMCO | 32.7K | $638K |
| 8 | Two Sigma Investments | 32.6K | $636K |
| 9 | T. Rowe Price | 34.3K | $669 |
Recent moves
20 transactions
- −70,981 · 2025Q4
- SOLDD.E. Shaw & Co.−12,166 · 2025Q4
- −10,275 · 2025Q4
- +2,019 · 2025Q4
- −47,672 · 2025Q4
- +313,560 · 2025Q4
- −155,192 · 2025Q4
- +813,600 · 2025Q4
- +37,200 · 2025Q4
- −5,220 · 2025Q4
- TRIMD.E. Shaw & Co.−31,710 · 2025Q3
- −2,827 · 2025Q3
- −57,426 · 2025Q3
- +28,335 · 2025Q3
- +66,340 · 2025Q3
- +4,900 · 2025Q3
- −33,600 · 2025Q3
- −5,518 · 2025Q3
- +32,721 · 2025Q3
- +6,615 · 2025Q2
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