Pulmatrix Ownership | Who Owns Pulmatrix?

Pulmatrix Ownership Summary

Pulmatrix is owned by 9.70% institutional investors, 0.66% insiders, and 89.63% retail investors. Renaissance is the largest institutional shareholder, holding 3.04% 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	9.70%	0.66%	89.63%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Renaissance	110.92K	3.04%	$247.35K
Blackrock funding, inc. /de	55.34K	1.52%	$123.40K
Sbi securities	55.24K	1.51%	$123.19K
Blackrock	54.90K	1.50%	$105.95K
Vanguard group	47.08K	1.29%	$104.99K
Geode capital management	40.94K	1.12%	$91.33K
Drw securities	20.50K	0.56%	$45.73K
State street	13.95K	0.38%	$67.91K
Dimensional fund advisors lp	10.33K	0.28%	$23.03K
Tower research capital llc (trc)	1.44K	0.04%	$6.98K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Sbi securities	55.24K	0.00%	$123.19K
Drw securities	20.50K	0.00%	$45.73K
Renaissance	110.92K	0.00%	$247.35K
Tower research capital llc (trc)	1.44K	0.00%	$6.98K
Td waterhouse canada	-	-	-
Barclays	-	-	-
Northwestern mutual wealth management	13.00	-	$2.20K
Bank of america corp /de/	30.00	-	$58.00
Advisor group	-	-	-
Blackrock	54.90K	-	$105.95K

Top Buyers

Holder	Shares	% Assets	Change
Drw securities	20.50K	0.00%	20.50K
Tower research capital llc (trc)	1.44K	0.00%	1.03K
Flagship harbor advisors	80.00	-	80.00
Bank of america corp /de/	30.00	-	30.00
Northwestern mutual wealth management	13.00	-	6.00

Top Sellers

Holder	Shares	% Assets	Change
Sbi securities	55.24K	0.00%	-4.10K
Renaissance	110.92K	0.00%	-3.47K
Vanguard group	47.08K	-	-2.33K
Dimensional fund advisors lp	10.33K	-	-454.00
Td waterhouse canada	-	-	-350.00

New Positions

Holder	Shares	% Assets	Change	Value
Drw securities	20.50K	0.00%	20.50K	$45.73K
Flagship harbor advisors	80.00	-	80.00	$178.00
Bank of america corp /de/	30.00	-	30.00	$58.00

Sold Out

Holder	Change
Raymond james financial	-1.00
Barclays	-3.00
Jones financial companies lllp	-5.00
Gradient investments	-10.00
Morgan stanley	-25.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	12	-14.29%	354,390	2.50%	9	10.83%	2	-71.43%	5	25.00%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Institutional Extnd Mkt Idx Tr	32.29K	0.88%	-
Fidelity Extended Market Index	19.56K	0.54%	-38.00
Bridgeway Ultra-Small Company	9.70K	0.27%	-
Fidelity Series Total Market Index	5.23K	0.14%	-
Spartan Extended Market Index Pool F	4.88K	0.13%	38.00
Fidelity Nasdaq Composite Index	4.57K	0.13%	-
Fidelity Total Market Index	4.43K	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 9.70%, followed by 0.66% insiders and 89.64% retail investors. The average institutional ownership in Pulmatrix's industry, Biotech Stocks , is 381.47%, which Pulmatrix falls below.

Who owns the most shares of Pulmatrix?

Pulmatrix’s largest shareholders are Renaissance (110.92K shares, 3.04%), Blackrock funding, inc. /de (55.34K shares, 1.52%), and Sbi securities (55.24K shares, 1.51%). Together, they hold 6.06% 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 0.00% of its assets in 55.24K Pulmatrix shares, valued at 123.19K$.

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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