Nasdaq· Pharmaceutical Preparations· Inc. DE· CIK 0000886744

GERN

GERON CORP
$1.21 ▲ +0.00%
Prev close $1.21
Market cap$790.2M
12-mo target$4.25 (+251.2%)
High Impact Filing (7/10)21 New Institutional Positions14 Institutional Exits Biotech & Drug Discovery
Snapshot
The big-picture read on GERN right now — valuation, ownership and activity at a glance.
Market Cap
$790.2M
Cap Size
Small Cap
Inst. Holders
50 funds
Inst. Value
$446.8M
Inst. Activity
21 buys / 14 sells
Social Sentiment
50° Neutral
SEC Reports
4
Price chart 30d -23.9%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Oct 1, 2026 short_volume
Short Volume: GERN — 62.3% short (3.8M / 6.1M)
Short: 3,790,703 | Exempt: 0 | TRF Vol: 6,082,579 | Short Ratio: 62.3% | Off-exchange volume (dark p
Sep 30, 2026 Insider
Spiegel Robert J. was granted 6,351 shares
Director @ $1.23 ($7.8K)
Jun 30, 2026 Insider
Spiegel Robert J. was granted 6,103 shares
Director @ $1.28 ($7.8K)
Jun 30, 2026 Inst.
RA CAPITAL MANAGEMENT, L.P. — TRIM
42,809,751 shares ($54.8M)
Jun 30, 2026 Inst.
CITADEL ADVISORS LLC — ADD
29,038,928 shares ($37.2M)
May 20, 2026 Insider
O'Farrell Elizabeth G. was granted 220,000 shares
Director
Apr 22, 2026 SEC
Geron Corporation announced it will release its Q1 2026 financial results on May 6, 2026, followed by a conference call.
PRESS-RELEASE — Impact 3/10
Apr 7, 2026 SEC
Geron Corporation has filed its definitive proxy statement (DEFA14A) ahead of its 2026 Annual Meeting, following the rec
DEFA14A — Impact 3/10
Analyst ratings buy % +18.8%
How Wall Street rates the stock today, and the latest firm-by-firm actions.
Recent analyst actions
DateFirmActionRatingFirm rating
Nov 5, 2025NeedhamMAINTAINBuy 50%
May 8, 2025ScotiabankDOWNGRADESector Perform 56%
Mar 12, 2025NeedhamREITERATEBuy 50%
Mar 12, 2025HC Wainwright & Co.REITERATENeutral 43%
Feb 27, 2025ScotiabankMAINTAINSector Outperform 56%
Feb 27, 2025StifelMAINTAINBuy 54%
Feb 27, 2025BarclaysMAINTAINOverweight 54%
Feb 27, 2025NeedhamMAINTAINBuy 50%
Feb 26, 2025HC Wainwright & Co.DOWNGRADENeutral 43%
Feb 18, 2025B. Riley SecuritiesMAINTAINBuy 54%
Monthly consensus history
PeriodStr. BuyBuyHoldSellStr. SellBuy %Distribution
Sep 1, 20264520082%
Aug 1, 20264520082%
Jul 1, 20264521075%
Jun 1, 20264521075%
May 1, 20264531069%
Apr 1, 20264531069%
Mar 1, 20264531069%
Feb 1, 20264531069%
Price targets
Where 4 covering analysts think GERN trades over the next 12 months.
$4.25 +251.2% upside Strong Buy
Current$1.21 Low$3.00 Median$4.00 High$6.00 4 analysts
$3.00$6.00
Analyst rating None as of Oct 2, 2026
Social media sentiment mood +0.0%
Retail-investor mood aggregated across social media. 0° = very bearish, 100° = very bullish.
50°
Neutral
BearishNeutralBullish
2 mentions 0 bullish 0 bearish 2 neutral
Recent posts
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
4 SEC filing reports analyzed · 1 bullish, 0 bearish, 0 mixed, 3 neutral · avg impact 3.8/10.
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Oct 2, 2026
Clinical Trial
Study to Evaluate Imetelstat in Patients With High-Risk MDS or AML Failing HMA-based Therapy
Phase Phase 2 — COMPLETED
Oct 1, 2026
short_volume
Short Volume: GERN — 62.3% short (3.8M / 6.1M)
Short: 3,790,703 | Exempt: 0 | TRF Vol: 6,082,579 | Short Ratio: 62.3% | Off-exchange volume (dark pool + OTC)
Sep 30, 2026
short_volume
Short Volume: GERN — 57.0% short (2.7M / 4.7M)
Short: 2,673,699 | Exempt: 2,924 | TRF Vol: 4,691,273 | Short Ratio: 57.0% | Off-exchange volume (dark pool + OTC)
Sep 29, 2026
short_volume
Short Volume: GERN — 66.3% short (2.4M / 3.7M)
Short: 2,435,211 | Exempt: 31,300 | TRF Vol: 3,671,351 | Short Ratio: 66.3% | Off-exchange volume (dark pool + OTC)
Sep 28, 2026
short_volume
Short Volume: GERN — 73.9% short (2.3M / 3.2M)
Short: 2,331,132 | Exempt: 0 | TRF Vol: 3,153,201 | Short Ratio: 73.9% | Off-exchange volume (dark pool + OTC)
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
PeriodEPS Est.RangeGrowth30d RevUp/DnRevenue#
Current Q$-0.01$-0.01–$-0.0166.7%-100.0%—$0.1B1
Next Q$0.00$0.00–$0.00100.0%——$0.1B1
Current FY$-0.02$-0.02–$-0.0280.6%+0.0%—$0.2B1
Next FY$0.04$0.04–$0.04300.0%-38.5%0↑ 1↓$0.3B1
Current-quarter EPS estimate — revision history
WhenEPS estimateChange vs now
Current$-0.010—
7d ago$-0.005-0.005
30d ago$-0.005-0.005
60d ago$-0.005-0.005
90d ago$-0.005-0.005
Institutional ownership
Which big funds own GERN (from quarterly 13F filings) and who is adding or trimming.
50 institutional holders with $446.8M total value (348,967,289 shares) as of 2026-Q2. Top holders: BlackRock,, RA, STATE. Net buying activity: 21 institutions added/increased vs 14 reduced.
Top holders — 2026-Q2
FundSharesValue% TrackedLast move
BlackRock, Inc.49,115,571$62.9M14.1%—
RA CAPITAL MANAGEMENT, L.P.42,809,751$54.8M12.3%TRIM -32.9%
STATE STREET CORP35,856,671$45.9M10.3%—
CITADEL ADVISORS LLC29,038,928$37.2M8.3%ADD +34.6%
VANGUARD CAPITAL MANAGEMENT LLC27,250,215$34.9M7.8%—
Clearbridge Investments, LLC19,648,853$25.2M5.6%ADD +37.8%
GOLDMAN SACHS GROUP INC16,633,368$21.3M4.8%ADD +48.8%
GEODE CAPITAL MANAGEMENT, LLC14,555,954$18.6M4.2%—
MORGAN STANLEY12,945,431$16.6M3.7%—
VANGUARD PORTFOLIO MANAGEMENT LLC10,812,598$13.8M3.1%DOUBLED +131.6%
Recent position changes
FundActionPrevCurrentChangeValue
RA CAPITAL MANAGEMENT, L.P.TRIM63,771,36642,809,751-32.9%$54.8M
CITADEL ADVISORS LLCADD21,576,56929,038,928+34.6%$37.2M
GOLDMAN SACHS GROUP INCADD11,176,59116,633,368+48.8%$21.3M
VANGUARD PORTFOLIO MANAGEMENT LLCDOUBLED4,668,78310,812,598+131.6%$13.8M
Candriam S.C.A.ADD3,921,4765,589,182+42.5%$7.1M
UBS Group AGADD3,693,3334,896,096+32.6%$6.3M
RENAISSANCE TECHNOLOGIES LLCDOUBLED1,799,5214,579,000+154.5%$5.9M
TORONTO DOMINION BANKDOUBLED127,7114,235,000+3216.1%$5.4M
Point72 Asset Management, L.P.NEAR_EXIT20,457,1344,045,201-80.2%$5.2M
DEUTSCHE BANK AG\TRIM5,203,5163,439,976-33.9%$4.4M
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
8 insiders, 11 transactions. Net $0.00 — $0.00 bought, $0.00 sold.
DateInsiderTitleTypeSharesPriceValue
Sep 30, 2026Spiegel Robert J.DirectorAWARD6,351$1.23$7.8K
Jun 30, 2026Spiegel Robert J.DirectorAWARD6,103$1.28$7.8K
May 20, 2026O'Farrell Elizabeth G.DirectorAWARD220,000——
May 20, 2026Molineaux SusanDirectorAWARD220,000——
May 20, 2026Spiegel Robert J.DirectorAWARD220,000——
May 20, 2026McDonald John FDirectorAWARD220,000——
May 20, 2026Bir Dawn CarterDirectorAWARD220,000——
Apr 13, 2026Williams TimothyEVP and Chief Legal OfficerAWARD2,500,000——
Mar 31, 2026Spiegel Robert J.DirectorAWARD5,243$1.49$7.8K
Mar 25, 2026Andrews Patricia SDirectorAWARD270,000——
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for GERN.
Shares short
82,618,677
Settlement Sep 15, 2026
Change vs prior
-2.9%
Semi-monthly cycle
Days to cover
6.7
At avg daily volume
Of shares outstanding
≈12.9%
Estimate — not % of float
All GERN filing & press-release reports (4)