Ticker · CUSIP 98422E103
Holders (tracked)
13
Combined shares
16,075,754
Combined value
$126.19M
Last close
$6.37
Quarter
2025Q4
Price · 1Y$6.37+2.26 (+54.99%)H $9.90 · L $4.02 · Avg Vol 2.2M
Position opened
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
Price is -18.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
21 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−27,792 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+1,734,964 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+118,088 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+334,302 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+608,080 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+6,675 shares · 2025Q4Position
- +22,186 shares · 2025Q4Position
- Wellington Management added2026-02-17+1,705,636 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−26,021 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−1,003,180 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+800,700 shares · 2025Q4Position
- −225,186 shares · 2025Q3Position
- Steve Cohen (Point72) exited2025-11-14−45,100 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+399,880 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+2,004,479 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+13,517 shares · 2025Q3Position
- Wellington Management added2025-11-14+181,671 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−65,393 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−2,408,871 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−561,700 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−432,500 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of XERS…
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 |
|---|---|---|---|---|
| Renaissance Technologies | 2021Q4 | $2.79 | +128.1% | $3.9M |
| AQR Capital Management | 2022Q3 | $2.81 | +126.8% | $6.1M |
| T. Rowe Price | 2021Q4 | $2.89 | +120.8% | $1.1M |
| Paul Tudor Jones (Tudor Investment) | 2021Q4 | $2.90 | +119.3% | $141K |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $5.14 | +23.8% | $5.5M |
| Norges Bank (Norway SWF) | 2025Q2 | $5.62 | +13.4% | $5.1M |
| Two Sigma Investments | 2022Q1 | $6.06 | +5.1% | $11.0M |
| D.E. Shaw & Co. | 2022Q1 | $6.17 | +3.3% | $48.3M |
| Wellington Management | 2024Q1 | $6.91 | -7.8% | $14.6M |
| Steve Cohen (Point72) | 2022Q4 | $7.40 | -13.9% | $3.9M |
| Ken Griffin (Citadel Advisors) | 2022Q1 | $7.86 | -18.9% | $65K |
| Ken Griffin (Citadel Advisors) | 2022Q1 | $7.86 | -18.9% | $65K |
| Ken Griffin (Citadel Advisors) | 2022Q1 | $7.86 | -18.9% | $65K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+800,700$6.3M
- Steve Cohen (Point72)+608,080$4.8M
- Paul Tudor Jones (Tudor Investment)+22,186$174K
Added to5
- D.E. Shaw & Co.+1,734,964$13.6M
- Wellington Management+1,705,636$13.4M
- Izzy Englander (Millennium Mgmt)+334,302$2.6M
- Two Sigma Investments+118,088$927K
- T. Rowe Price+6,675$52
Trimmed3
- Renaissance Technologies−1,003,180$7.9M
- Ken Griffin (Citadel Advisors)−27,792$218K
- AQR Capital Management−26,021$204K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $15.2M |
| 2022Q2 | 10 | $16.6M |
| 2022Q3 | 10 | $16.3M |
| 2022Q4 | 12 | $15.4M |
| 2023Q1 | 9 | $17.3M |
| 2023Q2 | 11 | $37.8M |
| 2023Q3 | 13 | $29.0M |
| 2023Q4 | 11 | $34.8M |
| 2024Q1 | 12 | $34.1M |
| 2024Q2 | 12 | $37.2M |
| 2024Q3 | 10 | $18.7M |
| 2024Q4 | 10 | $26.2M |
| 2025Q1 | 12 | $64.1M |
| 2025Q2 | 12 | $58.5M |
| 2025Q3 | 9 | $96.2M |
| 2025Q4 | 13 | $126.2M |
Who owns XERS
13 super-investors · 2025Q4
Tracked stake
16.08M
shares
Combined value
$126M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added5Trim5
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 7.57M | $59M |
| 2 | Wellington Management | 2.29M | $18M |
| 3 | Two Sigma Investments | 1.73M | $14M |
| 4 | AQR Capital Management | 957.6K | $8M |
| 5 | Izzy Englander Millennium Mgmt | 859.1K | $7M |
| 6 | Norges Bank Norway SWF | 800.7K | $6M |
| 7 | Renaissance Technologies | 619.7K | $5M |
| 8 | Steve Cohen Point72 | 608.1K | $5M |
| 9 | Ken Griffin Citadel Advisors | 409.8K | $3M |
| 10 | T. Rowe Price | 173.5K | $1M |
| 11 | Paul Tudor Jones Tudor Investment | 22.2K | $174K |
| 12 | Ken Griffin Citadel Advisors | 20.9K | $164K |
| 13 | Ken Griffin Citadel Advisors | 10.2K | $80K |
Recent moves
20 transactions
- −26,021 · 2025Q4
- +1,705,636 · 2025Q4
- +608,080 · 2025Q4
- +118,088 · 2025Q4
- −27,792 · 2025Q4
- +6,675 · 2025Q4
- +1,734,964 · 2025Q4
- +22,186 · 2025Q4
- +334,302 · 2025Q4
- −1,003,180 · 2025Q4
- +800,700 · 2025Q4
- −225,186 · 2025Q3
- −2,408,871 · 2025Q3
- +181,671 · 2025Q3
- −65,393 · 2025Q3
- −45,100 · 2025Q3
- +399,880 · 2025Q3
- +2,004,479 · 2025Q3
- +13,517 · 2025Q3
- −432,500 · 2025Q3
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