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Grifols SA

GIFLF
Exchange
OTC
Industry
Pharmaceutical Preparations
SEC CIK
0001438569

No open-market purchases or sales by Grifols SA insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Other share classesGRFSGIFOFGIKLY

Four kinds of short-selling data, each measuring something different:

  • Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
  • Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
  • Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
  • ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.

More in the glossary.

Short interest

Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.

Short interest
3.08M
Shares, settlement Oct 30, 2026
Change
−288.5K
−8.6% vs. Oct 15, 2026
Days to cover
> 999
Above FINRA's cap of 999.99 days
Average daily volume
18
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 983,627 sharesNov 15, 2024: 496,240 sharesNov 29, 2024: 379,047 sharesDec 13, 2024: 669,647 sharesDec 31, 2024: 642,766 sharesJan 15, 2025: 639,892 sharesJan 31, 2025: 650,927 sharesFeb 14, 2025: 645,285 sharesFeb 28, 2025: 661,487 sharesMar 14, 2025: 268,801 sharesMar 31, 2025: 228,219 sharesApr 15, 2025: 539,243 sharesApr 30, 2025: 536,266 sharesMay 15, 2025: 534,887 sharesMay 30, 2025: 518,298 sharesJun 13, 2025: 1,461,597 sharesJun 30, 2025: 3,320,971 sharesJul 15, 2025: 3,823,532 sharesJul 31, 2025: 4,280,399 sharesAug 15, 2025: 4,260,580 sharesAug 29, 2025: 4,900,677 sharesSep 15, 2025: 5,125,910 sharesSep 30, 2025: 5,219,634 sharesOct 15, 2025: 5,396,323 sharesOct 31, 2025: 4,894,416 sharesNov 14, 2025: 4,546,275 sharesNov 28, 2025: 4,968,951 sharesDec 15, 2025: 2,815,255 sharesDec 31, 2025: 2,617,453 sharesJan 15, 2026: 2,658,687 sharesJan 30, 2026: 3,277,062 sharesFeb 13, 2026: 3,556,418 sharesFeb 27, 2026: 4,654,191 sharesMar 13, 2026: 4,855,064 sharesMar 31, 2026: 5,166,915 sharesApr 15, 2026: 5,098,607 sharesApr 30, 2026: 4,775,855 sharesMay 15, 2026: 4,724,592 sharesMay 29, 2026: 4,647,192 sharesJun 15, 2026: 4,695,196 sharesJun 30, 2026: 4,794,813 sharesJul 15, 2026: 4,524,746 sharesJul 31, 2026: 4,060,441 sharesAug 14, 2026: 4,110,696 sharesAug 31, 2026: 4,040,780 sharesSep 15, 2026: 4,075,860 sharesSep 30, 2026: 4,038,091 sharesOct 15, 2026: 3,366,024 sharesOct 30, 2026: 3,077,506 shares
Short interest in GIFLF by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 20263.08M−288.5K−8.6%18> 999
Oct 15, 20263.37M−672.1K−16.6%1.76K> 999
Sep 30, 20264.04M−37.8K−0.9%0> 999
Sep 15, 20264.08M+35.1K+0.9%3.26K> 999
Aug 31, 20264.04M−69.9K−1.7%0> 999
Aug 14, 20264.11M+50.3K+1.2%29> 999
Jul 31, 20264.06M−464.3K−10.3%80> 999
Jul 15, 20264.52M−270.1K−5.6%74> 999
Jun 30, 20264.79M+99.6K+2.1%8> 999
Jun 15, 20264.70M+48.0K+1.0%2.12K> 999
May 29, 20264.65M−77.4K−1.6%4.32K> 999
May 15, 20264.72M−51.3K−1.1%0> 999
Apr 30, 20264.78M−322.8K−6.3%0> 999
Apr 15, 20265.10M−68.3K−1.3%14.2K360.12
Mar 31, 20265.17M+311.9K+6.4%3.33K> 999
Mar 13, 20264.86M+200.9K+4.3%0> 999
Feb 27, 20264.65M+1.10M+30.9%533> 999
Feb 13, 20263.56M+279.4K+8.5%0> 999
Jan 30, 20263.28M+618.4K+23.3%1.11K> 999
Jan 15, 20262.66M+41.2K+1.6%0> 999
Dec 31, 20252.62M−197.8K−7.0%0> 999
Dec 15, 20252.82M−2.15M−43.3%0> 999
Nov 28, 20254.97M+422.7K+9.3%43> 999
Nov 14, 20254.55M−348.1K−7.1%0> 999
Oct 31, 20254.89M−501.9K−9.3%3.82K> 999
Oct 15, 20255.40M+176.7K+3.4%0> 999
Sep 30, 20255.22M+93.7K+1.8%0> 999
Sep 15, 20255.13M+225.2K+4.6%0> 999
Aug 29, 20254.90M+640.1K+15.0%0> 999
Aug 15, 20254.26M−19.8K−0.5%0> 999
Jul 31, 20254.28M+456.9K+12.0%123> 999
Jul 15, 20253.82M+502.6K+15.1%399> 999
Jun 30, 20253.32M+1.86M+127.2%264> 999
Jun 13, 20251.46M+943.3K+182.0%600> 999
May 30, 2025518.3K−16.6K−3.1%68> 999
May 15, 2025534.9K−1.38K−0.3%136> 999
Apr 30, 2025536.3K−2.98K−0.6%0> 999
Apr 15, 2025539.2K+311.0K+136.3%582926.53
Mar 31, 2025228.2K−40.6K−15.1%0> 999
Mar 14, 2025268.8K−392.7K−59.4%2.00K134.27
Feb 28, 2025661.5K+16.2K+2.5%47> 999
Feb 14, 2025645.3K−5.64K−0.9%2.21K291.85
Jan 31, 2025650.9K+11.0K+1.7%60> 999
Jan 15, 2025639.9K−2.87K−0.5%0> 999
Dec 31, 2024642.8K−26.9K−4.0%362> 999
Dec 13, 2024669.6K+290.6K+76.7%2.43K275.57
Nov 29, 2024379.0K−117.2K−23.6%1.87K203.02
Nov 15, 2024496.2K−487.4K−49.6%248> 999
Oct 31, 2024983.6K−47.2K−4.6%19.2K51.29

Fails-to-deliver

Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.

The SEC has reported no fails-to-deliver for GIFLF.

Daily short volume

Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.

The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.

FINRA has reported no daily short volume for GIFLF in the last two years.

ATS (dark pool) volume

Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.

Weekly ATS and OTC volume in GIFLF
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Sep 14, 2026OTCE––5,0001–
Sep 7, 2026OTCE––7,0001–
Aug 31, 2026OTCE––4,3001–
Aug 3, 2026OTCE––1441–
Jul 13, 2026OTCE––6224–
Jul 6, 2026OTCE––2001–
Jun 29, 2026OTCE––1392–
Jun 15, 2026OTCE––11,5622–
Jun 8, 2026OTCE––1001–
May 18, 2026OTCE––19,4504–
Apr 6, 2026OTCE––70,7891–
Mar 23, 2026OTCE––20,0002–