Ticker · CUSIP 68287N100
Holders (tracked)
6
Combined shares
1,593,416
Combined value
$19.73M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
12 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−19,096 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+1,103,360 shares · 2025Q413F
- T. Rowe Price added2026-02-17+8,256 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−107,777 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+55,836 shares · 2025Q413F
- −78,217 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−14,925 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−42,685 shares · 2025Q313F
- D.E. Shaw & Co. exited2025-11-14−20,469 shares · 2025Q313F
- T. Rowe Price added2025-11-14+2,863 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−131,317 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-12−82,800 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 positions1
- Two Sigma Investments+55,836$717K
Added to2
- Izzy Englander (Millennium Mgmt)+1,103,360$14.2M
- T. Rowe Price+8,256$106
Trimmed2
- AQR Capital Management−107,777$1.4M
- Ken Griffin (Citadel Advisors)−19,096$245K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $93.7M |
| 2022Q2 | 8 | $78.5M |
| 2022Q3 | 9 | $61K |
| 2022Q4 | 11 | $77.0M |
| 2023Q1 | 11 | $114.5M |
| 2023Q2 | 10 | $100.9M |
| 2023Q3 | 5 | $68.1M |
| 2023Q4 | 7 | $45.4M |
| 2024Q1 | 9 | $52.4M |
| 2024Q2 | 11 | $61.1M |
| 2024Q3 | 7 | $10.5M |
| 2024Q4 | 9 | $11.5M |
| 2025Q1 | 9 | $15.7M |
| 2025Q2 | 8 | $13.6M |
| 2025Q3 | 5 | $8.2M |
| 2025Q4 | 6 | $19.7M |
Who owns OSPN
6 super-investors · 2025Q4
Tracked stake
1.59M
shares
Combined value
$20M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 1.21M | $16M |
| 2 | AQR Capital Management | 237.1K | $3M |
| 3 | Two Sigma Investments | 55.8K | $717K |
| 4 | Ken Griffin Citadel Advisors | 21.5K | $276K |
| 5 | Ken Griffin Citadel Advisors | 10.3K | $132K |
| 6 | T. Rowe Price | 57.0K | $733 |
Recent moves
20 transactions
- −107,777 · 2025Q4
- +1,103,360 · 2025Q4
- −19,096 · 2025Q4
- +8,256 · 2025Q4
- +55,836 · 2025Q4
- −78,217 · 2025Q3
- SOLDD.E. Shaw & Co.−20,469 · 2025Q3
- +2,863 · 2025Q3
- −14,925 · 2025Q3
- −42,685 · 2025Q3
- −131,317 · 2025Q3
- −82,800 · 2024Q3
- +1,105 · 2025Q2
- TRIMD.E. Shaw & Co.−9,772 · 2025Q2
- −206,166 · 2025Q2
- +79,143 · 2025Q2
- −5,861 · 2025Q2
- −40,751 · 2025Q2
- +23,488 · 2025Q1
- +14,930 · 2025Q1
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