BIIB
Biogen Inc
Biogen Inc historical holders
total: 12
Parnassus Endeavor Fund Biogen Inc transactions over time
- Total transactions:
- 6
- New positions:
- 1
- Sold out:
- 1
- Added:
- 2
- Reduced:
- 2
- Held since:
- 2021 Q4
- Held for:
- 12 quarters
- Latest activity:
- 2024 Q4
Parnassus Endeavor Fund has been an institutional investor in Biogen Inc (BIIB) since 2021 Q4. According to 2026 Q2 report, Parnassus Endeavor Fund doesn't hold any shares. The fund/company first acquired BIIB in 2021 Q4, initially purchasing 452,053 shares. Since the initial investment, Parnassus Endeavor Fund has made 5 more transactions in this position.
When did Parnassus Endeavor Fund exit their BIIB position?
Parnassus Endeavor Fund no longer holds Biogen Inc (BIIB). They sold off their entire position in 2024 Q4, closing out an investment that began in 2021 Q4.
When did Parnassus Endeavor Fund first invest in BIIB?
Parnassus Endeavor Fund first invested in Biogen Inc (BIIB) in 2021 Q4 at the reported quarter-end price of $239.92 per share, acquiring 452,053 shares in their initial purchase.
What is Parnassus Endeavor Fund's average cost basis for BIIB?
Based on historical transaction data, Parnassus Endeavor Fund's estimated cost basis for Biogen Inc (BIIB) is approximately $241.70 per share. This represents their average reported price* across all buy transactions.
Estimated cost basis*
- Weighted AVG buy price:
- $241.70
- Weighted AVG sell price:
- $215.73
BIIB transactions history by Parnassus Endeavor Fund
6 results
| Period |
% of portfolio |
Shares held after* |
Reported price* |
Value* |
% (shares) of activity |
% change to portfolio |
|---|---|---|---|---|---|---|
|
2024 Q4
|
0.00%
|
0
|
$193.84
|
|
-100% (-361,512)
|
-1.38%
|
|
2024 Q3
|
1.38%
|
361,512
|
$193.84
|
$70,075,486
|
+0.21% (+770)
|
+0%
|
|
2023 Q3
|
2.04%
|
360,742
|
$257.01
|
$92,714,301
|
+17.96% (+54,934)
|
+0.31%
|
|
2022 Q4
|
1.84%
|
305,808
|
$276.92
|
$84,684,351
|
-12.06% (-41,943)
|
-0.28%
|
|
2022 Q3
|
2.24%
|
347,751
|
$267.00
|
$92,849,517
|
-23.07% (-104,302)
|
-0.62%
|
|
2021 Q4
|
2.00%
|
452,053
|
$239.92
|
$108,456,556
|
new
|
+2%
|
* Shares, change to shares, sold shares, shares held after: split-adjusted.
* Reported price: this doesn't represent the actual buy or sell price. It is the split-adjusted price of the security as of the last day of the reported period.
If the security is completely sold out, we show the reported split-adjusted price prior to the actual period.
If the security is completely sold out, we show the reported split-adjusted price prior to the actual period.
* Estimated cost basis: based on "Reported price*" (not earlier than 2013 Q2). Calculation starts from the latest "new buy" activity to the latest "close out" activity (if any).
* Value or Price: If the security is completely sold out, we show the reported value (or price) prior to the actual period.
* New buy or own: this means there is no earlier reporting (for us or in general). So we can't know if the actual purchase of the security happened at the reported period or earlier.