Ticker · CUSIP 81749D107
Holders (tracked)
4
Combined shares
854,159
Combined value
$2.52M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
6 events
- Ken Griffin (Citadel Advisors) added2026-02-17+53,868 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−9,772 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−14,109 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+11,403 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−57,277 shares · 2025Q313F
- Two Sigma Investments opened position2025-11-14+31,736 shares · 2025Q313F
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
- Steve Cohen (Point72)+11,403$34K
Added to1
- Ken Griffin (Citadel Advisors)+53,868$159K
Trimmed2
- Izzy Englander (Millennium Mgmt)−14,109$42K
- Two Sigma Investments−9,772$29K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 4 | $141.5M |
| 2022Q2 | 3 | $387K |
| 2022Q3 | 4 | $263 |
| 2022Q4 | 3 | $55K |
| 2023Q1 | 2 | $262K |
| 2023Q2 | 2 | $237K |
| 2023Q3 | 1 | $107K |
| 2023Q4 | 2 | $527K |
| 2024Q1 | 2 | $3.7M |
| 2024Q2 | 7 | $9.7M |
| 2024Q3 | 1 | $126K |
| 2024Q4 | 5 | $815K |
| 2025Q1 | 5 | $2.4M |
| 2025Q2 | 3 | $2.3M |
| 2025Q3 | 3 | $2.5M |
| 2025Q4 | 4 | $2.5M |
Who owns SERA
4 super-investors · 2025Q4
Tracked stake
854.2K
shares
Combined value
$3M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added1Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 707.6K | $2M |
| 2 | Izzy Englander Millennium Mgmt | 113.2K | $334K |
| 3 | Two Sigma Investments | 22.0K | $65K |
| 4 | Steve Cohen Point72 | 11.4K | $34K |
Recent moves
20 transactions
- +11,403 · 2025Q4
- −9,772 · 2025Q4
- −14,109 · 2025Q4
- +53,868 · 2025Q4
- −57,277 · 2025Q3
- +31,736 · 2025Q3
- SOLDT. Rowe Price−11,333 · 2025Q2
- +163,014 · 2025Q2
- −49,197 · 2025Q1
- −16,162 · 2024Q4
- +70,747 · 2024Q4
- +11,333 · 2024Q4
- SOLDT. Rowe Price−20,867 · 2024Q3
- −27,683 · 2024Q3
- −64,906 · 2024Q3
- +16,162 · 2024Q3
- −27,400 · 2024Q3
- −224,550 · 2024Q2
- +20,867 · 2024Q2
- +27,683 · 2024Q2
Embed this chart
Paste this iframe anywhere to embed the live SERA chart.
<iframe src="https://openstocks.me/embed/stock/SERA" width="100%" height="480" frameborder="0" loading="lazy" title="SERA chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>