SLB
Schlumberger NV
Schlumberger NV historical holders
total: 17
Ariel Focus Fund Schlumberger NV transactions over time
- Total transactions:
- 4
- New positions:
- 1
- Added:
- 2
- Reduced:
- 1
- Held since:
- 2024 Q4
- Held for:
- 6 quarters
- Latest activity:
- 2026 Q1
Charles Bobrinskoy has been an institutional investor in Schlumberger NV (SLB) since 2024 Q4. According to 2026 Q1 report, Charles Bobrinskoy holds 83,310 shares with a market value of roughly $4.28M representing 5.27% of their equity portfolio. The fund/company first acquired SLB in 2024 Q4, initially purchasing 9,079 shares. Since the initial investment, Ariel Focus Fund has made 3 more transactions in this position.
Does Charles Bobrinskoy still hold SLB?
Yes, Charles Bobrinskoy continues to hold Schlumberger NV (SLB). According to their 2026 Q1 report, they maintain a position of 83,310 shares valued at approximately $4.28M, representing 5.27% of their equity portfolio.
When did Charles Bobrinskoy first invest in SLB?
Charles Bobrinskoy first invested in Schlumberger NV (SLB) in 2024 Q4 at the reported quarter-end price of $38.34 per share, acquiring 9,079 shares in their initial purchase.
What is Charles Bobrinskoy's average cost basis for SLB?
Based on historical transaction data, Charles Bobrinskoy's estimated cost basis for Schlumberger NV (SLB) is approximately $37.93 per share. This represents their average reported price* across all buy transactions.
Estimated cost basis*
- Weighted AVG buy price:
- $37.93
- Weighted AVG sell price:
- $51.39
SLB transactions history by Ariel Focus Fund
4 results
| Period |
% of portfolio |
Shares held after* |
Reported price* |
Value* |
% (shares) of activity |
% change to portfolio |
|---|---|---|---|---|---|---|
|
2026 Q1
|
5.27%
|
83,310
|
$51.39
|
$4,281,301
|
-4.56% (-3,984)
|
-0.27%
|
|
2025 Q3
|
3.86%
|
87,294
|
$34.37
|
$3,000,295
|
+89.44% (+41,215)
|
+1.82%
|
|
2025 Q1
|
3.11%
|
46,079
|
$41.80
|
$1,926,102
|
+407.53% (+37,000)
|
+2.5%
|
|
2024 Q4
|
0.52%
|
9,079
|
$38.34
|
$348,089
|
new
|
+0.52%
|
* 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.