Pulmatrix Ownership | Who Owns Pulmatrix?

Pulmatrix Ownership Summary

Pulmatrix is owned by 9.47% institutional investors, 0.66% insiders, and 89.87% retail investors. Renaissance is the largest institutional shareholder, holding 3.13% of PULM shares. Vanguard Institutional Extnd Mkt Idx Tr is the top mutual fund, with 0.88% of its assets in Pulmatrix shares.

PULM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Pulmatrix	9.47%	0.66%	89.87%
Sector	Healthcare Stocks	42.54%	10.83%	46.63%
Industry	Biotech Stocks	45.22%	10.75%	44.04%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Renaissance	114.39K	3.13%	$555.93K
Sbi securities	59.34K	1.62%	$288.40K
Blackrock funding, inc. /de	55.34K	1.52%	$268.93K
Blackrock	54.90K	1.50%	$105.95K
Vanguard group	49.41K	1.35%	$240.62K
Geode capital management	40.94K	1.12%	$199.47K
State street	13.95K	0.38%	$67.91K
Dimensional fund advisors lp	10.78K	0.30%	$52.50K
Tower research capital llc (trc)	1.44K	0.04%	$6.98K
Ubs group	129.00	0.00%	$627.00

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Sbi securities	59.34K	0.01%	$288.40K
Renaissance	114.39K	0.00%	$555.93K
Tower research capital llc (trc)	1.44K	0.00%	$6.98K
Blackrock	54.90K	-	$105.95K
Barclays	3.00	-	$15.00
Advisor group	-	-	-
Dimensional fund advisors lp	10.78K	-	$52.50K
Northwestern mutual wealth management	7.00	-	$34.00
Bank of america corp /de/	30.00	-	$58.00
Td waterhouse canada	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
Dimensional fund advisors lp	10.78K	-	10.78K
Renaissance	114.39K	0.00%	3.57K
Vanguard group	49.41K	-	2.40K
Tower research capital llc (trc)	1.44K	0.00%	1.03K
Bank of america corp /de/	30.00	-	30.00

Top Sellers

Holder	Shares	% Assets	Change
Ubs group	129.00	-	-5.33K
Sbi securities	59.34K	0.01%	-1.22K
Td waterhouse canada	-	-	-350.00
Geode capital management	40.94K	-	-140.00
Citigroup	-	-	-90.00

New Positions

Holder	Shares	% Assets	Change	Value
Dimensional fund advisors lp	10.78K	-	10.78K	$52.50K
Bank of america corp /de/	30.00	-	30.00	$58.00
Northwestern mutual wealth management	7.00	-	7.00	$34.00
Farther finance advisors	7.00	-	7.00	$34.00
Barclays	3.00	-	3.00	$15.00

Sold Out

Holder	Change
Raymond james financial	-1.00
Jones financial companies lllp	-5.00
Gradient investments	-10.00
Morgan stanley	-25.00
Wells fargo & company/mn	-29.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	13	8.33%	345,760	3.29%	9	11.27%	7	-22.22%	4	300.00%
Jun 30, 2025	12	9.09%	334,759	6.36%	9	12.34%	9	80.00%	1	-66.67%
Mar 31, 2025	11	-	316,544	-2.42%	8	10.99%	5	25.00%	3	-
Dec 31, 2024	6	-50.00%	195,791	-25.98%	5	10.22%	3	-50.00%	-	-100.00%
Sep 30, 2024	12	-	264,522	5.00%	7	15.22%	6	50.00%	3	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Institutional Extnd Mkt Idx Tr	32.29K	0.88%	-14.71K
Fidelity Extended Market Index	19.92K	0.55%	-163.00
Bridgeway Ultra-Small Company	9.70K	0.27%	-
Fidelity Series Total Market Index	5.37K	0.15%	-
Fidelity Nasdaq Composite Index	4.57K	0.13%	-
Spartan Extended Market Index Pool F	4.52K	0.12%	163.00
Fidelity Total Market Index	4.45K	0.12%	-
NT Ext Equity Mkt Idx Fd - L	4.36K	0.12%	-
Northern Trust Extended Eq Market Idx	4.36K	0.12%	-
Spartan Extended Market Index Pool E	4.12K	0.11%	172.00

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 03, 2018	GILLIS STEVEN	-	Buy	$747.50K
Apr 03, 2018	GILLIS STEVEN	-	Buy	$862.50K
Apr 03, 2018	GILLIS STEVEN	-	Buy	$747.50K
Apr 03, 2018	MCGUIRE TERRANCE		Buy	$224.61K
Apr 03, 2018	MCGUIRE TERRANCE		Buy	-

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2023 Q1	-	-
2022 Q2	-	-
2022 Q1	-	-
2021 Q3	-	-

PULM Ownership FAQ

Who Owns Pulmatrix?

Pulmatrix shareholders are primarily institutional investors at 9.47%, followed by 0.66% insiders and 89.87% retail investors. The average institutional ownership in Pulmatrix's industry, Biotech Stocks , is 45.22%, which Pulmatrix falls below.

Who owns the most shares of Pulmatrix?

Pulmatrix’s largest shareholders are Renaissance (114.39K shares, 3.13%), Sbi securities (59.34K shares, 1.62%), and Blackrock funding, inc. /de (55.34K shares, 1.52%). Together, they hold 6.27% of Pulmatrix’s total shares outstanding.

Does Blackrock own Pulmatrix?

Yes, BlackRock owns 1.50% of Pulmatrix, totaling 54.9K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 105.96K$. In the last quarter, BlackRock decreased its holdings by 0 shares, a 0% change.

Who is Pulmatrix’s biggest shareholder by percentage of total assets invested?

Sbi securities is Pulmatrix’s biggest shareholder by percentage of total assets invested, with 0.01% of its assets in 59.34K Pulmatrix shares, valued at 288.4K$.

Who is the top mutual fund holder of Pulmatrix shares?

Vanguard Institutional Extnd Mkt Idx Tr is the top mutual fund holder of Pulmatrix shares, with 0.88% of its total shares outstanding invested in 32.29K Pulmatrix shares.

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