ANNX Annexon, Inc.

BEARISH Impact: 4/10 ANALYST-UPGRADE
Processed 28d 20h ago SEC analyst-ANNX-goldmans-20260512
Goldman Sachs initiates coverage on ANNX at Neutral
Latest settled — T+5d
ANNX ▼ -8.82% at T+5d
SHORT call ✓ call won +8.82% · α vs SPY +8.90% · entry $5.44 → $4.96
Next anchor: T+20d in 6h
Last close $5.12 (close Jun 8) · +5.88% from $5.44 entry (call sign-flipped)
Entry anchored
May 12, 04:16 AM ET
via Databento tick
T+1d
+0.18%
call -0.18% · α +0.39%
$5.45
settled 28d ago
T+5d
-8.82%
call +8.82% · α +8.90%
$4.96
settled 22d ago
T+20d
call — · α —
in 6h
T+60d
call — · α —
in 8w

Price Chart

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Executive Summary

Goldman Sachs initiated coverage of ANNX on May 12, 2026, with a Neutral rating and a $7 price target, well below the consensus mean of $13.71 and the prior low of $8. The firm has a 54% accuracy rate on 2,921 rated calls with a +5.6% average return, placing it around average among covering firms. The broader consensus is overwhelmingly bullish — 15 of 16 analysts rate ANNX a Buy or Strong Buy, with only Goldman at Neutral. Price targets range from $8 to $27, implying 140% upside to the mean from the current $5.70, while Goldman's target offers just 23% upside. In the past 30 days, EPS revisions have been mixed — 2 up and 2 down for the current fiscal year — though the estimate has ticked higher from -$1.19 to -$1.16. Insider activity shows both buying (Carson William H. bought ~$95K in March/April) and selling (three executives sold ~$94K in March). Short interest is elevated at 56.2% of float, and institutional flows are mixed with Vanguard and Morgan Stanley adding while FMR trimmed. With earnings due May 18, the Goldman initiation is a significant contrarian signal from a high-volume firm just ahead of a catalyst.

Impact Score

Base Score
2/7
LLM Adjustment
+2
Final Score
4/10

Consensus & Targets

Buy / Strong Buy
15 (94%)
Hold
1
Sell / Strong Sell
0
Total Analysts
7
Mean PT
$13.71
Median PT
$11.00
High PT
$27.00
Low PT
$8.00
Current Price
$5.70
Implied Upside
+140.6%

The consensus consists of 16 analysts covering ANNX: 4 Strong Buy, 11 Buy, 1 Hold. That translates to 93.75% Buy-equivalent ratings. Goldman's Neutral is the sole non-bullish call, making it a clear outlier.

The mean price target is $13.71, median $11, high $27, low $8. At $5.70, the implied upside to the mean is 140%. Goldman's $7 target is below the previous low of $8, offering only 22.8% upside and representing the most bearish estimate on the street.

Recent Analyst Activity

DateFirmActionRatingPrice Target
2026-05-12 Goldman Sachs initiate Neutral $7.00
2026-03-20 Chardan Capital maintain Buy
2025-12-23 Chardan Capital initiate Buy $16.00
2025-12-02 Clear Street initiate Buy $17.00
2025-11-19 Wells Fargo maintain Overweight $27.00
2025-08-15 HC Wainwright & Co. reiterate Buy $14.00
2025-05-14 HC Wainwright & Co. maintain Buy $14.00
2025-05-13 Needham maintain Buy $11.00
2025-03-04 Needham reiterate Buy $16.00
2024-12-17 HC Wainwright & Co. reiterate Buy $30.00

In the past 30 days, there has been 1 analyst action: Goldman's initiation. No downgrades or upgrades. EPS estimates for the current fiscal year show 2 upward and 2 downward revisions in the past 30 days, with the average EPS improving slightly from -$1.19 to -$1.16. Revisions are balanced, implying no clear directional bias from the sell-side.

Firm Track Record — Goldman Sachs

Goldman Sachs accuracy: 54% on 2921 calls | avg return: 5.6%

Industry benchmark: mean 51% ± 11%. Top tier: ≥61% (mean + 1σ). Based on 4 firms with ≥5 scored calls.

FirmAccuracyCallsAvg Returnvs Average
HC Wainwright & Co. 50% 4/8 -7.6% below average
Wells Fargo 50% 2/4 -0.9% below average
Needham 38% 3/8 -3.2% below average
Cantor Fitzgerald 20% 1/5 -14.6% below average

Goldman Sachs has a 54% accuracy rate on 2,921 calls with an average return of +5.6%. Among firms covering ANNX, HC Wainwright (50% on 8 calls) and Wells Fargo (50% on 4 calls) are the best performers, while Cantor Fitzgerald (20% on 5 calls) is the worst. Goldman's moderate accuracy and large sample lend weight but not exceptional precision.

Earnings Estimates

Next earnings: May 18, 2026

PeriodEPS Est.EPS RangeRevenueRevisions (7d)
0y $-1.16 $-1.23 — $-1.05 $0.00 ↑2 ↓0
0q $-0.30 $-0.34 — $-0.26 $0.00 ↑0 ↓0
+1q $-0.30 $-0.33 — $-0.25 $0.00 ↑0 ↓0
+1y $-0.96 $-1.13 — $-0.88 $43.8M ↑1 ↓0

Cross-Platform Signals

Insider Trades (90d)
2 buys / 3 sells
Institutional
VANGUARD GROUP INC — add (32.9%)
Institutional
WELLS FARGO & COMPANY/MN — add (40.1%)
Institutional
CHARLES SCHWAB INVESTMENT MANAGEMENT INC — add (33.8%)
Short Interest
Short: 408,824 | Exempt: 4,000 | TRF Vol: 726,869 | Short Ratio: 56.2% | Off-exchange volume (dark pool + OTC)

Insider activity is mixed: Carson William H. bought $94,960 in two transactions (March/April), while three executives sold $93,769 in early March. Institutional changes show Vanguard (+32.9%), Wells Fargo (+40.1%), and Morgan Stanley (+263.9%) adding, but FMR trimming (-29.4%). Short interest is high at 56.2% of float, indicating significant bearish positioning. The Goldman initiation (cautious) converges with the elevated short interest and the recent insider selling, but diverges from the insider buying and the Vanguard/Morgan Stanley accumulation.

Actionable Insight

Goldman's cautious PT and Neutral rating stand out against a heavily bullish consensus just ahead of earnings. Expect heightened volatility into the May 18 report; the divergence between Goldman's view and institutional buying/insider buys creates a potential squeeze setup if earnings surprise positively, but the high short interest also raises downside risk if the Neutral call proves prescient.

Documents Analyzed

Report based on filing metadata.

7 reports for ANNX
Performance horizon
75% Hit rate 3 of 4 directional calls best @ T+20▲ +32.68%May 16, 2026
Filters
Rows
Reports for ANNX — sortable, filterable
Type Now
May 16, 2026
24d ago
ANALYST-UPGRADE
BULLISH ★ 3/10
$5.11 $5.02▼ −1.76%▼ −0.93%$5.12 (+0.20%)
May 12, 2026
28d ago
ANALYST-UPGRADE
BEARISH ★ 4/10
$5.44 $4.96▲ +8.82%▲ +8.90%$5.12 (+5.88%)
May 7, 2026
4w ago
Press Release
BULLISH ★ 6/10
$5.69 $5.37▼ −5.62%▼ −7.09%$5.12 (−10.02%)
Apr 16, 2026
7w ago
ANALYST-UPGRADE
BULLISH ★ 8/10
$6.33 $6.06▼ −4.27%▼ −5.25%$5.12 (−19.12%)
Apr 16, 2026
7w ago
ANALYST-UPGRADE
BULLISH ★ 7/10
$6.33 $6.06▼ −4.27%▼ −5.25%$5.12 (−19.12%)
Mar 30, 2026
10w ago
Press Release
NEUTRAL ★ 4/10
$5.54 $6.05▲ +9.21%▲ +5.26%$5.12 (−7.58%)
Mar 2, 2026
14w ago
Insider Cluster
NEUTRAL ★ 3/10
$5.52 $5.59▲ +1.27%▲ +2.48%$5.12 (−7.25%)
Showing 7 of 7

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