Monthly roundup // FINRA short interest, settlements 2026-03-13 and 2026-03-31

Short interest in March 2026

At the March 31, 2026 settlement, FINRA’s file listed 21,680 securities with 52.15 billion shares held short, +5.4% against the February 27, 2026 month end. The largest single position among exchange-listed names was PLUG at 339.7M shares. This is the measured record of one month, not a list of ideas: nothing here says what anyone should do with a security.

What this page reads. Our stored copy of FINRA’s consolidated short interest files for the settlements 2026-02-27 (21,578 rows), 2026-03-13 (21,589 rows) and 2026-03-31 (21,680 rows). The tables use the month-end settlement, 2026-03-31, and measure change against 2026-02-27. Read from the store 2026-11-03; short interest is published about seven business days after each settlement.

Largest short positions at 2026-03-31

By shares held short, among the 6,029 securities in the file with average daily volume of at least 100,000 shares that are not known to trade OTC (1,392 OTC rows left out). Shares, not percent of float: FINRA publishes no float, and a large company carries a large position.

#	Symbol	Issue	Venue	Short shares ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldcurrentShortPositionQuantity As ofsettlement 2026-03-31 Open the source document →	Avg daily vol ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldaverageDailyVolumeQuantity As ofsettlement 2026-03-31 Open the source document →	Days to cover ⊙ INFERENCE — derived by arithmetic SourceShort shares divided by average daily volume, both FINRA fields As ofsettlement 2026-03-31 HowFINRA's own days-to-cover field is floored at 1.00, so the ratio is computed from its two published operands instead. Open the source document →	Change ⊙ INFERENCE — derived by arithmetic SourceShort shares at this settlement against the previous month end As ofsettlement 2026-03-31 against settlement 2026-02-27 HowBoth positions are stored FINRA figures for the same symbol; the percent is (this minus that) over that. Open the source document →
1	PLUG	Plug Power, Inc. Common Stock	Nasdaq SC	339.7M	64.6M	5.3	+3.8%
2	NVDA	NVIDIA Corporation Common Stoc	Nasdaq NM	280.9M	186.4M	1.5	+13.1%
3	GRAB	Grab Holdings Limited Class A	Nasdaq NM	235.2M	46.4M	5.1	+2.1%
4	RIG	Transocean LTD.	NYSE	200.6M	38.9M	5.2	+14.1%
5	AUR	Aurora Innovation, Inc. Class	Nasdaq NM	186.7M	18.4M	10.1	+20.2%
6	RXRX	Recursion Pharmaceuticals, Inc	Nasdaq NM	173.9M	14.1M	12.3	+3.2%
7	SOFI	SoFi Technologies, Inc. Common	Nasdaq NM	165.3M	71.0M	2.3	+28.7%
8	ONDS	Ondas Inc. Common Stock	Nasdaq SC	164.4M	80.8M	2.0	+4.2%
9	ABEV	AMBEV S.A.	NYSE	152.7M	25.9M	5.9	-4.5%
10	NIO	NIO Inc. American depositary s	NYSE	146.3M	42.1M	3.5	-0.6%
11	F	Ford Motor Company	NYSE	146.1M	51.3M	2.8	-8.4%
12	RIVN	Rivian Automotive, Inc. Class	Nasdaq NM	142.9M	29.4M	4.9	+0.6%
13	BYND	Beyond Meat, Inc. Common Stock	Nasdaq NM	141.7M	27.0M	5.3	-1.3%
14	SOUN	SoundHound AI, Inc Class A Com	Nasdaq NM	140.7M	26.6M	5.3	+10.4%
15	MPT	Medical Properties Trust, Inc.	NYSE	140.6M	6.0M	23.3	+5.5%
16	INFY	Infosys Limited American Depos	NYSE	140.5M	23.5M	6.0	-8.1%
17	IBRX	ImmunityBio, Inc. Common Stock	Nasdaq NM	135.5M	29.0M	4.7	+2.3%
18	NU	Nu Holdings Ltd.	NYSE	135.4M	56.9M	2.4	+15.2%
19	SPY	State Street SPDR S&P 500 ETF	NYSE Arca	134.0M	108.3M	1.2	+30.8%
20	PFE	Pfizer Inc.	NYSE	132.5M	43.0M	3.1	-7.3%

Longest days to cover at 2026-03-31

Short shares divided by FINRA’s average daily volume, for names trading at least 300,000 shares a day. The floor is the one the short squeeze screener uses.

#	Symbol	Issue	Venue	Short shares ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldcurrentShortPositionQuantity As ofsettlement 2026-03-31 Open the source document →	Avg daily vol ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldaverageDailyVolumeQuantity As ofsettlement 2026-03-31 Open the source document →	Days to cover ⊙ INFERENCE — derived by arithmetic SourceShort shares divided by average daily volume, both FINRA fields As ofsettlement 2026-03-31 HowFINRA's own days-to-cover field is floored at 1.00, so the ratio is computed from its two published operands instead. Open the source document →	Change ⊙ INFERENCE — derived by arithmetic SourceShort shares at this settlement against the previous month end As ofsettlement 2026-03-31 against settlement 2026-02-27 HowBoth positions are stored FINRA figures for the same symbol; the percent is (this minus that) over that. Open the source document →
1	CRDF	Cardiff Oncology, Inc. Common	Nasdaq SC	17.9M	0.6M	32.3	+1.3%
2	IMCR	Immunocore Holdings plc Americ	Nasdaq NM	10.1M	0.4M	26.1	-15.3%
3	ORGO	Organogenesis Holdings Inc. Cl	Nasdaq SC	12.8M	0.5M	23.7	+1.4%
4	MPT	Medical Properties Trust, Inc.	NYSE	140.6M	6.0M	23.3	+5.5%
5	FLWS	1-800-FLOWERS.COM, Inc. Common	Nasdaq NM	9.2M	0.4M	23.3	-3.7%
6	SKIN	SkinHealth Systems Inc. Class	Nasdaq SC	15.4M	0.7M	22.8	-1.9%
7	ABCL	AbCellera Biologics Inc. Commo	Nasdaq NM	50.4M	2.2M	22.7	-1.7%
8	NTST	NetSTREIT Corp.	NYSE	28.7M	1.3M	22.4	+2.7%
9	LCTX	Lineage Cell Therapeutics, Inc	NYSE American	25.5M	1.1M	22.3	+1.7%
10	CHRS	Coherus Oncology, Inc. Common	Nasdaq NM	28.1M	1.4M	20.7	+1.8%
11	NCMI	National CineMedia, Inc. Commo	Nasdaq NM	7.1M	0.4M	19.6	-4.0%
12	ATYR	aTyr Pharma, Inc. Common Stock	Nasdaq SC	19.6M	1.0M	19.6	+4.3%
13	OABI	OmniAb, Inc. Common Stock	Nasdaq NM	5.9M	0.3M	19.1	+2.7%
14	OMER	Omeros Corporation Common Stoc	Nasdaq NM	17.1M	0.9M	18.8	-1.3%
15	WEST	Westrock Coffee Company Common	Nasdaq NM	6.5M	0.4M	18.6	+2.4%
16	HRTX	Heron Therapeutics, Inc. Commo	Nasdaq SC	39.4M	2.1M	18.4	+6.2%
17	CLM	Cornerstone Strategic Investme	NYSE American	28.9M	1.6M	18.2	+3.0%
18	PROK	ProKidney Corp. Class A Ordina	Nasdaq SC	16.7M	0.9M	18.2	+7.2%
19	AVBP	ArriVent BioPharma, Inc. Commo	Nasdaq NM	7.8M	0.4M	17.9	+10.9%
20	FLNA	Filana Therapeutics, Inc. Comm	Nasdaq SC	7.2M	0.4M	17.8	not in the prior file

Largest increases from 2026-02-27 to 2026-03-31

Percent change in shares short, for positions of at least 1,000,000 shares at 2026-02-27 on names trading at least 300,000 shares a day. Of the 3,253 positions that clear both floors, 1,939 grew, 1,314 shrank and 0 did not change.

#	Symbol	Issue	Venue	Short shares ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldcurrentShortPositionQuantity As ofsettlement 2026-03-31 Open the source document →	Avg daily vol ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldaverageDailyVolumeQuantity As ofsettlement 2026-03-31 Open the source document →	Days to cover ⊙ INFERENCE — derived by arithmetic SourceShort shares divided by average daily volume, both FINRA fields As ofsettlement 2026-03-31 HowFINRA's own days-to-cover field is floored at 1.00, so the ratio is computed from its two published operands instead. Open the source document →	Change ⊙ INFERENCE — derived by arithmetic SourceShort shares at this settlement against the previous month end As ofsettlement 2026-03-31 against settlement 2026-02-27 HowBoth positions are stored FINRA figures for the same symbol; the percent is (this minus that) over that. Open the source document →
1	PURR	Hyperliquid Strategies Inc Com	Nasdaq SC	9.2M	6.5M	1.4	+626.1%
2	VNRX	VolitionRx Limited	NYSE American	8.1M	47.5M	0.2	+468.2%
3	ITRM	name not recorded	not recorded	9.4M	77.4M	0.1	+357.1%
4	EONR	EON Resources Inc.	NYSE American	6.8M	30.4M	0.2	+337.5%
5	SPEM	State Street SPDR Portfolio Em	NYSE Arca	6.4M	4.1M	1.6	+304.4%
6	TRP	TC Energy Corporation	NYSE	41.0M	3.1M	13.1	+293.5%
7	CRM	Salesforce, Inc.	NYSE	77.8M	12.8M	6.1	+255.3%
8	TD	Toronto Dominion Bank	NYSE	10.9M	2.5M	4.4	+228.0%
9	HTO	H2O America Common Stock	Nasdaq NM	5.3M	0.6M	8.7	+222.1%
10	ILF	iShares Latin America 40 ETF	NYSE Arca	3.4M	3.3M	1.0	+217.7%
11	EMXC	iShares, Inc. iShares MSCI Eme	Nasdaq NM	8.5M	6.5M	1.3	+216.9%
12	LAUR	Laureate Education, Inc. Commo	Nasdaq NM	6.0M	3.3M	1.8	+204.0%
13	BETA	Beta Technologies, Inc.	NYSE	6.2M	2.3M	2.6	+201.6%
14	XXI	Twenty One Capital, Inc.	NYSE	8.7M	3.3M	2.6	+198.4%
15	VCLT	Vanguard Long-Term Corporate B	Nasdaq NM	15.6M	8.1M	1.9	+194.9%

Largest decreases from 2026-02-27 to 2026-03-31

#	Symbol	Issue	Venue	Short shares ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldcurrentShortPositionQuantity As ofsettlement 2026-03-31 Open the source document →	Avg daily vol ⊙ EVIDENCE — filed/published fact SourceFINRA consolidated short interest, as stored by our ingest FieldaverageDailyVolumeQuantity As ofsettlement 2026-03-31 Open the source document →	Days to cover ⊙ INFERENCE — derived by arithmetic SourceShort shares divided by average daily volume, both FINRA fields As ofsettlement 2026-03-31 HowFINRA's own days-to-cover field is floored at 1.00, so the ratio is computed from its two published operands instead. Open the source document →	Change ⊙ INFERENCE — derived by arithmetic SourceShort shares at this settlement against the previous month end As ofsettlement 2026-03-31 against settlement 2026-02-27 HowBoth positions are stored FINRA figures for the same symbol; the percent is (this minus that) over that. Open the source document →
1	DUOG	Themes ETF Trust Leverage Shar	Nasdaq NM	0.0M	0.5M	0.0	-99.7%
2	RGTZ	Tidal Trust II Defiance Daily	Nasdaq NM	0.0M	1.4M	0.0	-99.5%
3	AEHL	Antelope Enterprise Holdings L	Nasdaq SC	0.1M	0.4M	0.1	-97.9%
4	EOSU	T-REX 2X Long EOSE Daily Targe	Cboe BZX	0.1M	1.1M	0.1	-97.9%
5	JDST	Direxion Daily Junior Gold Min	NYSE Arca	0.2M	0.5M	0.4	-97.2%
6	CURX	Curanex Pharmaceuticals Inc Co	Nasdaq SC	0.1M	0.3M	0.3	-97.1%
7	IONX	Tidal Trust II Defiance Daily	Nasdaq NM	0.1M	1.3M	0.1	-96.9%
8	KIDZ	KIDZ AI Inc. Class B Common St	Nasdaq SC	0.1M	7.3M	0.0	-96.9%
9	SOXS	Direxion Daily Semiconductor B	NYSE Arca	3.5M	44.4M	0.1	-95.7%
10	IONZ	Tidal Trust II Defiance Daily	Nasdaq NM	0.1M	0.9M	0.1	-95.2%
11	TSLS	Direxion Shares ETF Trust Dire	Nasdaq NM	0.1M	0.5M	0.1	-94.6%
12	RGTX	Tidal Trust II Defiance Daily	Nasdaq NM	0.2M	1.0M	0.3	-93.4%
13	HIMZ	Tidal Trust II Defiance Daily	Nasdaq NM	1.2M	1.6M	0.8	-92.5%
14	BINC	iShares Flexible Income Active	NYSE Arca	0.1M	3.0M	0.0	-92.2%
15	RKLZ	Tidal Trust II Defiance Daily	Nasdaq NM	0.4M	2.3M	0.2	-91.7%

How to read a month of short interest

A short position is a count of borrowed shares sold and not yet bought back, reported by brokers twice a month. A large count can be a hedge against a convertible bond, an index arbitrage leg or a pair trade, so the tables show size and change, never intent. Days to cover says how many average sessions of volume the position equals; it is a ratio, not a forecast of a squeeze.

The change tables compare share counts, so a corporate action moves them as surely as trading does. A reverse split shrinks a position without anyone buying shares back, and a spin-off or merger can add one overnight. Before reading a large change as a decision by short sellers, check the company’s filings for the same weeks.

Names and venues come from the FINRA rows themselves. Rows stored before August 2026 carry neither, so they are read from the newest stored row for the same symbol; where no such row exists the table says the venue is not recorded instead of guessing it.

FINRA is the owner and source of this short interest and short sale volume data. Free on every plan; not for redistribution.

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