Ticker · CUSIP 671044105
Holders (tracked)
10
Combined shares
422,192
Combined value
$42.69M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
SEC event timeline
20 events
- D.E. Shaw & Co. trimmed2026-02-17−4,520 shares · 2025Q413F
- Two Sigma Investments exited2026-02-17−59,065 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−52,417 shares · 2025Q413F
- Steve Cohen (Point72) exited2026-02-17−21,619 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−7,923 shares · 2025Q413F
- Wellington Management opened position2026-02-17+49,861 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−9,178 shares · 2025Q413F
- T. Rowe Price added2026-02-17+10,144 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+11,111 shares · 2025Q413F
- −4,300 shares · 2025Q413F
- AQR Capital Management added2025-11-14+11,762 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−128,361 shares · 2025Q313F
- Steve Cohen (Point72) trimmed2025-11-14−10,427 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+30,617 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−500 shares · 2025Q313F
- T. Rowe Price added2025-11-14+190,806 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−13,450 shares · 2025Q313F
- First Eagle Investment Management added2025-11-12+7,664 shares · 2025Q313F
- Mario Gabelli (GAMCO) exited2025-11-12−3,564 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−21,783 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Wellington Management+49,861$12.7M
- Norges Bank (Norway SWF)+11,111$2.8M
Added to1
- T. Rowe Price+10,144$3K
Trimmed5
- Izzy Englander (Millennium Mgmt)−52,417$13.4M
- AQR Capital Management−9,178$2.3M
- Ken Griffin (Citadel Advisors)−7,923$2.0M
- D.E. Shaw & Co.−4,520$1.2M
- First Eagle Investment Management−4,300$1.1M
Exited2
- Two Sigma Investments−59,065$14.7M
- Steve Cohen (Point72)−21,619$5.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $16.94B |
| 2022Q2 | 11 | $15.39B |
| 2022Q3 | 11 | $12.1M |
| 2022Q4 | 11 | $286.1M |
| 2023Q1 | 10 | $336.0M |
| 2023Q2 | 11 | $354.5M |
| 2023Q3 | 12 | $354.2M |
| 2023Q4 | 8 | $369.2M |
| 2024Q1 | 10 | $406.9M |
| 2024Q2 | 12 | $389.1M |
| 2024Q3 | 11 | $38.1M |
| 2024Q4 | 12 | $42.1M |
| 2025Q1 | 11 | $22.7M |
| 2025Q2 | 16 | $100.5M |
| 2025Q3 | 12 | $68.7M |
| 2025Q4 | 10 | $42.7M |
Who owns OSIS
10 super-investors · 2025Q4
Tracked stake
422.2K
shares
Combined value
$43M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added1Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 49.9K | $13M |
| 2 | Izzy Englander Millennium Mgmt | 43.7K | $11M |
| 3 | First Eagle Investment Management | 26.6K | $7M |
| 4 | AQR Capital Management | 19.4K | $5M |
| 5 | Norges Bank Norway SWF | 11.1K | $3M |
| 6 | D.E. Shaw & Co. | 7.5K | $2M |
| 7 | Ken Griffin Citadel Advisors | 5.1K | $1M |
| 8 | Ken Griffin Citadel Advisors | 2.6K | $663K |
| 9 | Ken Griffin Citadel Advisors | 1.2K | $314K |
| 10 | T. Rowe Price | 255.1K | $65K |
Recent moves
20 transactions
- TRIMD.E. Shaw & Co.−4,520 · 2025Q4
- −9,178 · 2025Q4
- −7,923 · 2025Q4
- +49,861 · 2025Q4
- −59,065 · 2025Q4
- −21,619 · 2025Q4
- +10,144 · 2025Q4
- −52,417 · 2025Q4
- +11,111 · 2025Q4
- −4,300 · 2025Q4
- −10,427 · 2025Q3
- +30,617 · 2025Q3
- −128,361 · 2025Q3
- TRIMD.E. Shaw & Co.−500 · 2025Q3
- +190,806 · 2025Q3
- +11,762 · 2025Q3
- −13,450 · 2025Q3
- −3,564 · 2025Q3
- −21,783 · 2024Q3
- +7,664 · 2025Q3
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