Renaissance Technologies
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Renaissance Technologies’s Pulmatrix PULM Stock Holding History

Renaissance Technologies’s Portfolio PULM Stock Details PULM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$141K Sell
109,148
-1,772
-2% -$4.2K ﹤0.01% 2975
2025
Q4 		$247K Sell
110,920
-3,470
-3% -$15.1K ﹤0.01% 2830
2025
Q3 		$556K Buy
114,390
+3,570
+3% +$19K ﹤0.01% 2742
2025
Q2 		$765K Buy
110,820
+1,900
+2% +$13.1K ﹤0.01% 2632
2025
Q1 		$725K Sell
108,920
-200
-0.2% -$1.47K ﹤0.01% 2581
2024
Q4 		$762K Sell
109,120
-8,100
-7% -$33.4K ﹤0.01% 2633
2024
Q3 		$251K Buy
117,220
+5,000
+4% +$10.5K ﹤0.01% 3050
2024
Q2 		$217K Sell
112,220
-2,600
-2% -$5.02K ﹤0.01% 3021
2024
Q1 		$201K Sell
114,820
-2,501
-2% -$4.6K ﹤0.01% 3230
2023
Q4 		$218K Buy
117,321
+6,056
+5% +$11.6K ﹤0.01% 3108
2023
Q3 		$226K Buy
111,265
+2,253
+2% +$5.56K ﹤0.01% 3046
2023
Q2 		$292K Buy
109,012
+3,392
+3% +$9.54K ﹤0.01% 3138
2023
Q1 		$308K Buy
105,620
+1,500
+1% +$5.42K ﹤0.01% 3105
2022
Q4 		$404K Sell
104,120
-8,100
-7% -$29.3K ﹤0.01% 3072
2022
Q3 		$401K Sell
112,220
-9,700
-8% -$43.2K ﹤0.01% 3055
2022
Q2 		$560K Buy
121,920
+8,300
+7% +$43.8K ﹤0.01% 3099
2022
Q1 		$776K Sell
113,620
-8,910
-7% -$64.7K ﹤0.01% 2891
2021
Q4 		$1.07M Sell
122,530
-12,128
-9% -$166K ﹤0.01% 2591
2021
Q3 		$2.15M Sell
134,658
-7,762
-5% -$130K ﹤0.01% 2033
2021
Q2 		$2.96M Buy
142,420
+22,762
+19% +$461K ﹤0.01% 1980
2021
Q1 		$3.18M Sell
119,658
-8,969
-7% -$275K ﹤0.01% 1928
2020
Q4 		$3.06M Buy
128,627
+28,929
+29% +$689K ﹤0.01% 1880
2020
Q3 		$2.37M Buy
99,698
+15,931
+19% +$406K ﹤0.01% 2037
2020
Q2 		$2.88M Buy
83,767
+54,558
+187% +$1.73M ﹤0.01% 1964
2020
Q1 		$590K Buy
29,209
+16,974
+139% +$495K ﹤0.01% 2676
2019
Q4 		$210K Buy
+12,235
New +$194K ﹤0.01% 3185

Other funds holding PULM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Renaissance Technologies's PULM Position: Q1 2026 in Review

Renaissance Technologies reduced its Pulmatrix (PULM) stake by 1.6% in Q1 2026, selling an estimated $4.2K and leaving 109,148 shares worth $141K. The position accounts for ﹤0.01% of the portfolio, ranked #2975.

Renaissance Technologies first reported a position in PULM in Q4 2019 and has held it in 26 quarters since. The position peaked at $3.18M in Q1 2021. 15 funds tracked by Wall St. Rank hold PULM as of Q1 2026.

  • Renaissance Technologies held 109,148 shares of Pulmatrix worth $141K as of Q1 2026.
  • Renaissance Technologies sold 1,772 Pulmatrix shares in Q1 2026, an estimated $4.2K.
  • Pulmatrix made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #2975 holding.
  • Renaissance Technologies first reported a position in Pulmatrix in Q4 2019 and has held it in 26 quarters since.
  • Renaissance Technologies's Pulmatrix position peaked at $3.18M in Q1 2021.
  • 15 funds tracked by Wall St. Rank held Pulmatrix as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.