Morgan Stanley’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
Q2
$2.02K Sell
914
-3,638
-80% -$9.52K ﹤0.01% 7405
2026
Q1
$10.7K Buy
4,552
+4,239
+1,354% +$10.1K ﹤0.01% 6918
2025
Q4
$729 Sell
313
-43,065
-99% -$100K ﹤0.01% 7435
2025
Q3
$81.5K Buy
43,378
+34,157
+370% +$75.1K ﹤0.01% 6244
2025
Q2
$26.7K Buy
9,221
+2,250
+32% +$3.24K ﹤0.01% 6556
2025
Q1
$5.02K Hold
6,971
﹤0.01% 6992
2024
Q4
$7.18K Hold
6,971
﹤0.01% 6905
2024
Q3
$9.34K Hold
6,971
﹤0.01% 6736
2024
Q2
$9.06K Sell
6,971
-928
-12% -$1.4K ﹤0.01% 6711
2024
Q1
$13.6K Sell
7,899
-16,171
-67% -$25.3K ﹤0.01% 6589
2023
Q4
$35.4K Buy
24,070
+15,082
+168% +$18K ﹤0.01% 6474
2023
Q3
$10.9K Sell
8,988
-542
-6% -$751 ﹤0.01% 6706
2023
Q2
$13.8K Sell
9,530
-5,700
-37% -$9.76K ﹤0.01% 6688
2023
Q1
$22.1K Sell
15,230
-1,847
-11% -$3.09K ﹤0.01% 6588
2022
Q4
$29.5K Sell
17,077
-2,177
-11% -$4.07K ﹤0.01% 6523
2022
Q3
$38K Sell
19,254
-175,177
-90% -$174K ﹤0.01% 6534
2022
Q2
$144K Buy
194,431
+121,435
+166% +$353K ﹤0.01% 6070
2022
Q1
$635K Buy
72,996
+22,511
+45% +$231K ﹤0.01% 5268
2021
Q4
$808K Sell
50,485
-6,016
-11% -$95.5K ﹤0.01% 5237
2021
Q3
$1.04M Sell
56,501
-13,271
-19% -$213K ﹤0.01% 5017
2021
Q2
$974K Sell
69,772
-119,177
-63% -$1.67M ﹤0.01% 5095
2021
Q1
$2.78M Sell
188,949
-82,309
-30% -$1.45M ﹤0.01% 3998
2020
Q4
$5.26M Buy
271,258
+248,326
+1,083% +$3.87M ﹤0.01% 3202
2020
Q3
$256K Sell
22,932
-2,838
-11% -$33.6K ﹤0.01% 4980
2020
Q2
$348K Buy
25,770
+24,374
+1,746% +$274K ﹤0.01% 4793
2020
Q1
$11K Sell
1,396
-15,158
-92% -$134K ﹤0.01% 5991
2019
Q4
$159K Buy
16,554
+12,345
+293% +$133K ﹤0.01% 5497
2019
Q3
$45K Buy
4,209
+2,717
+182% +$28.6K ﹤0.01% 5764
2019
Q2
$17K Sell
1,492
-1,715
-53% -$20.6K ﹤0.01% 5991
2019
Q1
$41K Sell
3,207
-23,592
-88% -$250K ﹤0.01% 5752
2018
Q4
$164K Buy
26,799
+12,775
+91% +$103K ﹤0.01% 5361
2018
Q3
$147K Sell
14,024
-570
-4% -$6.62K ﹤0.01% 5572
2018
Q2
$214K Buy
14,594
+3,564
+32% +$45.6K ﹤0.01% 5507
2018
Q1
$157K Buy
11,030
+477
+5% +$5.79K ﹤0.01% 5566
2017
Q4
$124K Buy
+10,553
New +$130K ﹤0.01% 5579

Other funds holding SPRO

Morgan Stanley's SPRO Position: Q2 2026 in Review

Morgan Stanley reduced its Spero Therapeutics (SPRO) stake by 80% in Q2 2026, selling an estimated $9.52K and leaving 914 shares worth $2.02K. The position accounts for ﹤0.01% of the portfolio, ranked #7405.

Morgan Stanley first reported a position in SPRO in Q4 2017 and has held it in 35 quarters since. The position peaked at $5.26M in Q4 2020. 34 funds tracked by Wall St. Rank hold SPRO as of Q2 2026.

  • Morgan Stanley held 914 shares of Spero Therapeutics worth $2.02K as of Q2 2026.
  • Morgan Stanley sold 3,638 Spero Therapeutics shares in Q2 2026, an estimated $9.52K.
  • Spero Therapeutics made up ﹤0.01% of Morgan Stanley's portfolio in Q2 2026, its #7405 holding.
  • Morgan Stanley first reported a position in Spero Therapeutics in Q4 2017 and has held it in 35 quarters since.
  • Morgan Stanley's Spero Therapeutics position peaked at $5.26M in Q4 2020.
  • 34 funds tracked by Wall St. Rank held Spero Therapeutics as of Q2 2026.

Based on Morgan Stanley's 13F filing for Q2 2026, filed 13 Aug 2026.