Alphabet Inc’s Spero Therapeutics SPRO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $2.08M | Hold |
889,979
| – | – | 0.05% | 23 |
|
|
2025
Q4 | $2.07M | Hold |
889,979
| – | – | 0.08% | 23 |
|
|
2025
Q3 | $1.67M | Hold |
889,979
| – | – | 0.07% | 28 |
|
|
2025
Q2 | $2.58M | Hold |
889,979
| – | – | 0.12% | 22 |
|
|
2025
Q1 | $641K | Hold |
889,979
| – | – | 0.04% | 34 |
|
|
2024
Q4 | $917K | Hold |
889,979
| – | – | 0.05% | 31 |
|
|
2024
Q3 | $1.19M | Hold |
889,979
| – | – | 0.06% | 32 |
|
|
2024
Q2 | $1.16M | Hold |
889,979
| – | – | 0.06% | 34 |
|
|
2024
Q1 | $1.53M | Hold |
889,979
| – | – | 0.06% | 34 |
|
|
2023
Q4 | $1.31M | Hold |
889,979
| – | – | 0.06% | 35 |
|
|
2023
Q3 | $1.08M | Hold |
889,979
| – | – | 0.07% | 37 |
|
|
2023
Q2 | $1.29M | Hold |
889,979
| – | – | 0.07% | 36 |
|
|
2023
Q1 | $1.29M | Hold |
889,979
| – | – | 0.07% | 37 |
|
|
2022
Q4 | $1.54M | Hold |
889,979
| – | – | 0.09% | 39 |
|
|
2022
Q3 | $1.78M | Hold |
889,979
| – | – | 0.09% | 39 |
|
|
2022
Q2 | $659K | Hold |
889,979
| – | – | 0.04% | 49 |
|
|
2022
Q1 | $7.74M | Hold |
889,979
| – | – | 0.25% | 34 |
|
|
2021
Q4 | $14.2M | Hold |
889,979
| – | – | 0.34% | 33 |
|
|
2021
Q3 | $16.4M | Hold |
889,979
| – | – | 0.39% | 26 |
|
|
2021
Q2 | $12.4M | Hold |
889,979
| – | – | 0.25% | 26 |
|
|
2021
Q1 | $13.1M | Hold |
889,979
| – | – | 0.53% | 20 |
|
|
2020
Q4 | $17.3M | Sell |
889,979
-222,494
| -20% | -$3.47M | 0.83% | 16 |
|
|
2020
Q3 | $12.4M | Hold |
1,112,473
| – | – | 0.58% | 12 |
|
|
2020
Q2 | $15.1M | Hold |
1,112,473
| – | – | 0.69% | 11 |
|
|
2020
Q1 | $8.99M | Hold |
1,112,473
| – | – | 0.59% | 13 |
|
|
2019
Q4 | $10.7M | Hold |
1,112,473
| – | – | 0.65% | 13 |
|
|
2019
Q3 | $11.8M | Hold |
1,112,473
| – | – | 0.35% | 9 |
|
|
2019
Q2 | $12.8M | Hold |
1,112,473
| – | – | 0.24% | 12 |
|
|
2019
Q1 | $14.3M | Hold |
1,112,473
| – | – | 0.74% | 11 |
|
|
2018
Q4 | $6.84M | Hold |
1,112,473
| – | – | 0.81% | 13 |
|
|
2018
Q3 | $11.7M | Hold |
1,112,473
| – | – | 1.12% | 13 |
|
|
2018
Q2 | $16.3M | Hold |
1,112,473
| – | – | 1.37% | 10 |
|
|
2018
Q1 | $15.9M | Hold |
1,112,473
| – | – | 2.58% | 8 |
|
|
2017
Q4 | $13.1M | Buy |
+1,112,473
| New | +$13.7M | 3.55% | 5 |
|
Other funds holding SPRO
GP
P
VCM
AFM
Alphabet Inc's SPRO Position: Q1 2026 in Review
Alphabet Inc held its Spero Therapeutics (SPRO) position steady in Q1 2026 at 889,979 shares worth $2.08M. The position accounts for 0.05% of the portfolio, ranked #23.
Alphabet Inc first reported a position in SPRO in Q4 2017 and has held it in 34 quarters since. The position peaked at $17.3M in Q4 2020. 50 funds tracked by Wall St. Rank hold SPRO as of Q1 2026.
- Alphabet Inc held 889,979 shares of Spero Therapeutics worth $2.08M as of Q1 2026.
- Alphabet Inc left its Spero Therapeutics share count unchanged in Q1 2026.
- Spero Therapeutics made up 0.05% of Alphabet Inc's portfolio in Q1 2026, its #23 holding.
- Alphabet Inc first reported a position in Spero Therapeutics in Q4 2017 and has held it in 34 quarters since.
- Alphabet Inc's Spero Therapeutics position peaked at $17.3M in Q4 2020.
- 50 funds tracked by Wall St. Rank held Spero Therapeutics as of Q1 2026.
Based on Alphabet Inc's 13F filing for Q1 2026, filed 8 May 2026.