- Quarter end
- 30 Jun 2021
- the date the book describes
- Filed
- 16 Aug 2021
- latest of these filings; the earliest 10 Aug 2021
- Managers listing it
- 2
- at least, of 95 tracked, among listed positions
- Comparable managers
- 93
- filed both Q1 2021 and Q2 2021; 1 listed it in both
- Shares listed
- 52,657
- combined, among listed positions
- Reported value
- $3.0m
- combined, at the quarter end
Managers listing BOOM in Q2 2021
Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q1 2021, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.
2 of 2 holders
| Action | Filing | |||||
|---|---|---|---|---|---|---|
| Winton Group Ltd | 30,128 | $1.7m | 0.09% | Trimmed | -645 | 10 Aug 2021 (the filing on sec.gov) |
| PDT Partners LLC | 22,529 | $1.3m | 0.08% | New | new | 16 Aug 2021 (the filing on sec.gov) |
Largest increases and reductions, by shares
Q1 2021 to Q2 2021, among managers that listed it in both quarters or opened it.
Increases
- PDT Partners LLCnew position · 22,529 shares now+22,529
Reductions
- Winton Group Ltdexisting position · 30,128 shares now-645
New positions and exits
At least these many: a manager is shown exiting only where its own filing shows the position gone.
New (1)
- PDT Partners LLC$1.3m
Exited (0)
No exit shown by a manager’s own filing.
Ownership over time
Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
1 in Q1 2022 to 1 in Q4 2023
Tracked managers listing it, at least.
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q2 2018 | 2 | $3.7m | n.a. | n.a. |
| Q3 2018 | 1 | $441k | n.a. | n.a. |
| Q4 2018 | 1 | $313k | n.a. | n.a. |
| Q2 2019 | 2 | $16m | n.a. | n.a. |
| Q3 2019 | 2 | $6.1m | n.a. | n.a. |
| Q4 2019 | 1 | $5.3m | n.a. | n.a. |
| Q1 2020 | 1 | $2.7m | n.a. | n.a. |
| Q2 2020 | 1 | $3.1m | n.a. | n.a. |
| Q3 2020 | 1 | $3.1m | n.a. | n.a. |
| Q4 2020 | 1 | $1.4m | n.a. | n.a. |
| Q1 2021 | 1 | $1.7m | n.a. | n.a. |
| Q2 2021 | 2 | $3.0m | n.a. | n.a. |
| Q3 2021 | 2 | $1.6m | n.a. | n.a. |
| Q4 2021 | 1 | $1.1m | n.a. | n.a. |
| Q1 2022 | 1 | $2.4m | n.a. | n.a. |
| Q2 2022 | 1 | $2.5m | n.a. | n.a. |
| Q3 2022 | 1 | $2.8m | n.a. | n.a. |
| Q4 2022 | 1 | $3.5m | n.a. | n.a. |
| Q1 2023 | 1 | $2.6m | n.a. | n.a. |
| Q2 2023 | 1 | $2.2m | n.a. | n.a. |
| Q3 2023 | 1 | $2.8m | n.a. | n.a. |
| Q4 2023 | 1 | $3.5m | 1 | 0 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
BOOM and LIN →BOOM and GLW →BOOM and HWM →Choose a stock to compare with BOOM →
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.
Which funds own BOOM, latest filings →Back to the 13F Explorer →